fix: move mint logic outside timeout to prevent expired race

fix: refresh mint units on startup via NUT-04

.github/workflows/release.yml

@@ -0,0 +1,68 @@
+name: Release APK
+
+on:
+  push:
+    tags:
+      - "v*"
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Java 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'zulu'
+          java-version: '17'
+
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          channel: stable
+
+      - name: Setup Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: aarch64-linux-android,armv7-linux-androideabi,x86_64-linux-android
+
+      - name: Install Android NDK
+        run: echo "y" | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager "ndk;27.0.12077973"
+
+      - name: Install dependencies
+        run: flutter pub get
+
+      - name: Generate localizations
+        run: flutter gen-l10n
+
+      - name: Build release APKs (split per ABI)
+        run: flutter build apk --release --split-per-abi
+
+      - name: Build universal APK
+        run: flutter build apk --release
+
+      - name: Rename APKs
+        run: |
+          cd build/app/outputs/flutter-apk
+          mv app-arm64-v8a-release.apk elcaju-${{ github.ref_name }}-arm64.apk
+          mv app-armeabi-v7a-release.apk elcaju-${{ github.ref_name }}-armeabi-v7a.apk
+          mv app-x86_64-release.apk elcaju-${{ github.ref_name }}-x86_64.apk
+          mv app-release.apk elcaju-${{ github.ref_name }}-universal.apk
+          cp elcaju-${{ github.ref_name }}-universal.apk elcaju-universal.apk
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: |
+            build/app/outputs/flutter-apk/elcaju-${{ github.ref_name }}-arm64.apk
+            build/app/outputs/flutter-apk/elcaju-${{ github.ref_name }}-armeabi-v7a.apk
+            build/app/outputs/flutter-apk/elcaju-${{ github.ref_name }}-x86_64.apk
+            build/app/outputs/flutter-apk/elcaju-${{ github.ref_name }}-universal.apk
+            build/app/outputs/flutter-apk/elcaju-universal.apk
+          generate_release_notes: true

.gitignore

@@ -44,3 +44,7 @@ app.*.map.json
 /android/app/debug
 /android/app/profile
 /android/app/release
+
+# Rust/CargoKit compiled native libraries
+android/app/src/main/jniLibs/
+rust/target/

README.md

@@ -1,6 +1,6 @@
 ## ElCaju 🥜
 
-[![Ask DeepWiki](https://deepwiki.com/badge.svg)](https://deepwiki.com/Forte11Cuba/elcaju)   
+[![Ask DeepWiki](https://deepwiki.com/badge.svg)](https://deepwiki.com/Forte11Cuba/elcaju)
   *Ask questions about this project using DeepWiki AI*
 
 <p align="center">
@@ -28,7 +28,7 @@
 
 ---
 
-## 📱 About ElCaju
+## About ElCaju
 
 **ElCaju** is a [Cashu](https://cashu.space) wallet (ecash on Bitcoin) with Cuban identity, brother of [LaChispa](https://github.com/lachispame/) (Lightning). Designed to offer privacy, offline transactions, and a warm tropical experience.
 
@@ -41,23 +41,31 @@ Cashu is an ecash protocol that enables Bitcoin transactions with maximum privac
 
 ---
 
-## ✨ Features
+## Features
 
 | Feature | Description |
 |---------|-------------|
-| 🔐 **Total Privacy** | Fungible ecash tokens, no traceable history |
-| 📴 **Works Offline** | Store and share tokens without internet |
-| ⚡ **Lightning Bridge** | Deposit and withdraw sats via Lightning Network |
-| 🏦 **Multi-Mint** | Connect to multiple Cashu mints simultaneously |
-| 💱 **Multi-Unit** | Support for sat, USD, EUR and more |
-| 🔑 **Your Seed, Your Money** | Backup with 12 words (BIP39) |
-| 🔒 **Optional PIN** | Protect access to your wallet |
-| 🌐 **Bilingual** | Spanish and English |
-| 🎉 **Friendly UX** | Visual effects and confetti when receiving funds |
+| **Total Privacy** | Fungible ecash tokens, no traceable history |
+| **Works Offline** | Store, create, and share tokens without internet |
+| **Lightning Bridge** | Deposit and withdraw sats via Lightning Network |
+| **Multi-Mint** | Connect to unlimited Cashu mints simultaneously |
+| **Multi-Unit** | Support for sat, USD, EUR, and any unit offered by mints |
+| **P2PK (NUT-10)** | Lock tokens to a Nostr public key — only the recipient can claim |
+| **Token Recovery (NUT-13)** | Restore tokens from any mint using your seed phrase |
+| **NFC Transfers** | Share tokens via NFC — includes Host Card Emulation (HCE) |
+| **Animated QR** | UR-format multi-frame QR codes for large tokens |
+| **Peanut Emoji** | Encode tokens as emoji (compatible with cashu.me) |
+| **Transaction History** | Full history with filters: Ecash, Lightning, Pending |
+| **Pending Tokens** | Save tokens to claim later (up to 50, 30-day expiry) |
+| **BTC Price** | Live price via Yadio API with fiat conversion |
+| **Your Seed, Your Money** | Backup with 12 words (BIP39) |
+| **Optional PIN** | 4-digit PIN to protect wallet access |
+| **11 Languages** | ES, EN, PT, FR, RU, DE, IT, KO, ZH, JA, SW |
+| **Friendly UX** | Confetti celebrations when receiving funds |
 
 ---
 
-## 🚀 Screenshots
+## Screenshots
 
 <p align="center">
   <img src="assets/img/Captura1.png" width="180"/>
@@ -69,35 +77,42 @@ Cashu is an ecash protocol that enables Bitcoin transactions with maximum privac
 
 ---
 
-## 🔧 Technologies
+## Technologies
 
 ### Frontend
 - **Flutter 3.27+**: Cross-platform framework
-- **Dart**: Programming language
+- **Dart 3.11+**: Programming language
 - **Provider**: State management
-- **QR Flutter**: QR code generation
+- **QR Flutter + Mobile Scanner**: QR generation and scanning
 
 ### Backend & Core
-- **[cdk-flutter](https://github.com/cashubtc/cdk_flutter)**: Cashu Development Kit (Rust FFI)
+- **elcaju_core**: Internal Rust library via [flutter_rust_bridge](https://github.com/fzyzcjy/flutter_rust_bridge) v2.11.1 (FFI)
+- **[CDK](https://github.com/cashubtc/cdk) 0.15.1**: Cashu Development Kit (wallet, SQLite, HTTP client, signatory)
 - **SQLite**: Local persistence via cdk-sqlite
-- **Flutter Secure Storage**: Secure storage for seed and PIN
+- **Flutter Secure Storage**: Encrypted storage for seed and PIN
 
 ### Protocols
-- **Cashu**: NUT-00 to NUT-13 (ecash protocol)
+- **Cashu**: NUT-00, 04, 05, 06, 07, 09, 10 (P2PK), 13 (restore)
 - **Lightning Network**: Deposits and withdrawals via BOLT11
-- **BIP39**: Seed phrase generation
+- **BIP39 / BIP32**: Seed phrase generation and key derivation
+- **NIP-06**: Nostr key derivation from mnemonic for P2PK
+
+### Native
+- **NFC Manager + HCE**: Phone-to-phone token transfers
+- **Android NDK 27.0**: Multi-architecture native compilation
+- **Cargokit**: Automated Rust build integration
 
 ---
 
-## 📦 Installation
+## Installation
 
 ### Prerequisites
 
 - Flutter SDK (>=3.27.0)
-- Dart SDK (>=3.6.0)
+- Dart SDK (>=3.11.0)
 - Android Studio with Android SDK
-- Android NDK 26.3+ (install via Android Studio > SDK Manager > SDK Tools)
-- Rust toolchain (>=1.85.0)
+- Android NDK 27.0+ (install via Android Studio > SDK Manager > SDK Tools)
+- Rust toolchain (edition 2024; rustc >= 1.85.0)
 
 ### Clone the Repository
 
@@ -118,7 +133,7 @@ flutter pub get
 # Install Rust if not already installed
 curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
 
-# Update to latest stable (requires >= 1.85.0)
+# Update to latest stable
 rustup update stable
 
 # Install Android targets
@@ -137,61 +152,39 @@ linker = "gcc"
 rustflags = ["-C", "link-arg=-fuse-ld=bfd"]
 
 [target.aarch64-linux-android]
-linker = "/path/to/Android/Sdk/ndk/26.3.11579264/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android24-clang"
+linker = "/path/to/Android/Sdk/ndk/27.0.12077973/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android24-clang"
 
 [target.armv7-linux-androideabi]
-linker = "/path/to/Android/Sdk/ndk/26.3.11579264/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi24-clang"
+linker = "/path/to/Android/Sdk/ndk/27.0.12077973/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi24-clang"
 
 [target.x86_64-linux-android]
-linker = "/path/to/Android/Sdk/ndk/26.3.11579264/toolchains/llvm/prebuilt/linux-x86_64/bin/x86_64-linux-android24-clang"
+linker = "/path/to/Android/Sdk/ndk/27.0.12077973/toolchains/llvm/prebuilt/linux-x86_64/bin/x86_64-linux-android24-clang"
 
 [env]
-CC_armv7-linux-androideabi = "/path/to/Android/Sdk/ndk/26.3.11579264/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi24-clang"
-AR_armv7-linux-androideabi = "/path/to/Android/Sdk/ndk/26.3.11579264/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar"
-CC_x86_64-linux-android = "/path/to/Android/Sdk/ndk/26.3.11579264/toolchains/llvm/prebuilt/linux-x86_64/bin/x86_64-linux-android24-clang"
-AR_x86_64-linux-android = "/path/to/Android/Sdk/ndk/26.3.11579264/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar"
-CC_aarch64-linux-android = "/path/to/Android/Sdk/ndk/26.3.11579264/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android24-clang"
-AR_aarch64-linux-android = "/path/to/Android/Sdk/ndk/26.3.11579264/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar"
+CC_armv7-linux-androideabi = "/path/to/Android/Sdk/ndk/27.0.12077973/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi24-clang"
+AR_armv7-linux-androideabi = "/path/to/Android/Sdk/ndk/27.0.12077973/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar"
+CC_x86_64-linux-android = "/path/to/Android/Sdk/ndk/27.0.12077973/toolchains/llvm/prebuilt/linux-x86_64/bin/x86_64-linux-android24-clang"
+AR_x86_64-linux-android = "/path/to/Android/Sdk/ndk/27.0.12077973/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar"
+CC_aarch64-linux-android = "/path/to/Android/Sdk/ndk/27.0.12077973/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android24-clang"
+AR_aarch64-linux-android = "/path/to/Android/Sdk/ndk/27.0.12077973/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar"
 ```
 
 > **Note**: Replace `/path/to/Android/Sdk` with your actual Android SDK path (usually `~/Android/Sdk` on Linux or `~/Library/Android/sdk` on macOS).
 
-### Compile Native Libraries
-
-The cdk_flutter native libraries must be compiled manually:
-
-```bash
-# Navigate to cdk_flutter rust directory
-cd ~/.pub-cache/git/cdk_flutter-*/rust
-
-# Build for each architecture
-cargo build --release --target aarch64-linux-android
-cargo build --release --target armv7-linux-androideabi
-cargo build --release --target x86_64-linux-android
-
-# Copy libraries to project
-mkdir -p /path/to/elcaju/android/app/src/main/jniLibs/{arm64-v8a,armeabi-v7a,x86_64}
-
-cp target/aarch64-linux-android/release/libcdk_flutter.so \
-   /path/to/elcaju/android/app/src/main/jniLibs/arm64-v8a/
-
-cp target/armv7-linux-androideabi/release/libcdk_flutter.so \
-   /path/to/elcaju/android/app/src/main/jniLibs/armeabi-v7a/
-
-cp target/x86_64-linux-android/release/libcdk_flutter.so \
-   /path/to/elcaju/android/app/src/main/jniLibs/x86_64/
-```
-
 ### Run in Development
 
+The Rust library compiles automatically via Cargokit during `flutter run`:
+
 ```bash
 flutter run
 ```
 
+> **Note**: The first build will take several minutes while Rust compiles. Subsequent builds are incremental.
+
 ### Build for Production
 
 ```bash
-# Android APK (includes all architectures, ~55MB)
+# Android APK (includes all architectures)
 flutter build apk --release
 
 # Android App Bundle (recommended for Play Store)
@@ -203,100 +196,123 @@ flutter build appbundle --release
 For faster builds targeting only modern devices:
 
 ```bash
-# Build only arm64 library
-cargo build --release --target aarch64-linux-android
-
-# Copy to project
-cp target/aarch64-linux-android/release/libcdk_flutter.so \
-   android/app/src/main/jniLibs/arm64-v8a/
-
-# Build APK (~40MB)
-flutter build apk --release
+flutter build apk --release --target-platform android-arm64
 ```
 
 ---
 
-## 🏗️ Architecture
+## Architecture
 
-```
+```text
 ┌─────────────────────────────────────────┐
-│          Flutter UI (Dart)              │
-│   Provider + Streams + Intl             │
+│          Flutter UI (Dart 3.11+)        │
+│   Provider + Streams + Intl (11 langs)  │
 ├─────────────────────────────────────────┤
-│     WalletProvider / SettingsProvider   │
-│   (Multi-unit: Map<mintUrl:unit>)       │
+│     4 Providers: Wallet, Settings,      │
+│       Price (Yadio), P2PK (NIP-06)      │
 ├─────────────────────────────────────────┤
-│          cdk-flutter (FFI)              │
-│      flutter_rust_bridge v2.11.1        │
+│    flutter_rust_bridge v2.11.1 (FFI)    │
 ├─────────────────────────────────────────┤
-│           Rust Core (CDK)               │
-│  Cashu 0.13.4 + SQLite + Bitcoin        │
+│        elcaju_core (Rust interno)       │
+│   CDK 0.15.1 + SQLite + BIP39 + Tokio  │
 └─────────────────────────────────────────┘
 ```
 
 ### Project Structure
 
-```
+```text
 elcaju/
 ├── lib/
-│   ├── main.dart                 # Entry point
+│   ├── main.dart                  # Entry point (RustLib.init + Providers)
 │   ├── core/
-│   │   ├── constants/            # Colors, dimensions
-│   │   ├── theme/                # App theme
-│   │   └── utils/                # Formatters, validators
+│   │   ├── constants/             # Colors, dimensions
+│   │   ├── models/                # Proof model
+│   │   ├── services/              # LNURL, NFC, price, proofs
+│   │   ├── theme/                 # Material 3 dark theme
+│   │   └── utils/                 # Formatters, parsers, nostr, p2pk, peanut codec
+│   ├── data/                      # Pending tokens, transaction metadata storage
+│   ├── models/                    # P2PK key model (npub/nsec)
 │   ├── providers/
-│   │   ├── wallet_provider.dart  # Wallet logic
-│   │   └── settings_provider.dart# Preferences and PIN
+│   │   ├── wallet_provider.dart   # Multi-mint, multi-unit wallet logic
+│   │   ├── settings_provider.dart # Preferences, PIN, seed
+│   │   ├── price_provider.dart    # BTC price cache (Yadio API)
+│   │   └── p2pk_provider.dart     # Nostr key management (NIP-06)
 │   ├── screens/
-│   │   ├── 1_splash/             # Loading screen
-│   │   ├── 2_onboarding/         # Create/restore wallet
-│   │   ├── 3_home/               # Main screen
-│   │   ├── 4_receive/            # Receive tokens
-│   │   ├── 5_send/               # Send tokens
-│   │   ├── 6_mint/               # Deposit via Lightning
-│   │   ├── 7_melt/               # Withdraw to Lightning
-│   │   └── 8_settings/           # Settings
+│   │   ├── 1_splash/              # Loading & initialization
+│   │   ├── 2_onboarding/          # Create / restore / backup seed
+│   │   ├── 3_home/                # Main dashboard
+│   │   ├── 4_receive/             # Receive tokens (paste, QR, NFC)
+│   │   ├── 5_send/                # Send tokens + offline mode + share
+│   │   ├── 6_mint/                # Lightning deposit
+│   │   ├── 7_melt/                # Lightning withdrawal
+│   │   ├── 8_settings/            # Settings, mints, P2PK keys, language
+│   │   ├── 9_history/             # Transaction history with filters
+│   │   └── 10_scanner/            # QR code scanner
+│   ├── src/rust/                  # FFI bridge (auto-generated + API bindings)
 │   ├── widgets/
-│   │   ├── common/               # Buttons, cards, etc.
-│   │   └── effects/              # Confetti and animations
-│   └── l10n/                     # Translations ES/EN
-└── assets/
-    └── img/                      # Logo and assets
+│   │   ├── common/                # Buttons, cards, numpad, backgrounds
+│   │   ├── effects/               # Confetti animation
+│   │   ├── proof/                 # Proof selector (offline send)
+│   │   └── scanner/               # QR scanner widget
+│   └── l10n/                      # 11 languages (354 translation keys)
+├── rust/
+│   ├── Cargo.toml                 # elcaju_core: CDK 0.15.1, flutter_rust_bridge 2.11.1
+│   └── src/api/                   # wallet, token, keys, mint_info, error
+├── rust_builder/                  # Cargokit integration (auto Rust compilation)
+├── android/                       # Android config (NDK 27.0, NFC HCE service)
+└── assets/img/                    # Logo and screenshots
 ```
 
 ---
 
-## 🔐 Security
+## Cashu NUT Support
+
+| NUT | Name | Status |
+|-----|------|--------|
+| NUT-00 | Cashu Protocol | Supported |
+| NUT-04 | Mint (Lightning deposit) | Supported |
+| NUT-05 | Melt (Lightning withdrawal) | Supported |
+| NUT-06 | Token swap | Supported |
+| NUT-07 | Spend conditions (witness) | Supported |
+| NUT-09 | Token restore | Supported |
+| NUT-10 | P2PK (locked tokens) | Supported |
+| NUT-13 | Deterministic secrets (recovery) | Supported |
+
+---
+
+## Security
 
 | Feature | Implementation |
 |---------|----------------|
-| **Seed Phrase** | Stored with Flutter Secure Storage (native encryption) |
-| **PIN** | Secure hash, local verification |
-| **Local Data** | SQLite with proofs encrypted by Cashu protocol |
+| **Seed Phrase** | BIP39 12 words, stored with Flutter Secure Storage (native encryption) |
+| **Key Derivation** | BIP32 + NIP-06 (m/44'/1237'/0'/0/0) for P2PK keys |
+| **PIN** | 4-digit PIN with secure hash, local verification |
+| **Local Data** | SQLite with proofs managed by CDK |
+| **P2PK Keys** | Primary (from seed) + up to 10 imported keys, all encrypted |
 | **No Tracking** | We don't collect user data |
 | **Open Source** | 100% auditable |
 
 ### Important
 
-> ⚠️ **Backup your seed phrase (12 words)**. Without it, you won't be able to recover your funds if you lose your device.
+> **Backup your seed phrase (12 words)**. Without it, you won't be able to recover your funds if you lose your device.
 
 ---
 
-## 📱 Compatibility
+## Compatibility
 
 | Platform | Status | Minimum Version |
 |----------|--------|-----------------|
-| ✅ Android | Supported | API 24 (Android 7.0) |
-| 🚧 iOS | Coming soon | iOS 12.0+ |
-| 🚧 Web | Coming soon | - |
+| Android | Supported | API 24 (Android 7.0) |
+| iOS | Coming soon | iOS 11.0+ |
+| Web | Coming soon | - |
 
 ---
 
-## 🌐 Default Mint
+## Default Mint
 
 ElCaju comes preconfigured with the Cuba Bitcoin mint:
 
-```
+```text
 https://mint.cubabitcoin.org
 ```
 
@@ -304,7 +320,16 @@ You can add other Cashu mints from the settings.
 
 ---
 
-## 🤝 Contributing
+## CI/CD
+
+Automated releases via GitHub Actions (`.github/workflows/release.yml`):
+- Triggers on Git tags (`v*`)
+- Builds multi-architecture APKs (arm64, armv7, x86_64) + universal APK
+- Creates GitHub releases automatically
+
+---
+
+## Contributing
 
 Contributions are welcome!
 
@@ -324,16 +349,17 @@ Open an [issue](https://github.com/Forte11Cuba/elcaju/issues) with:
 
 ---
 
-## 📄 License
+## License
 
 This project is under the MIT License - see the [LICENSE](LICENSE) file for more details.
 
 ---
 
-## 🙏 Credits
+## Credits
 
 - **[Cashu](https://cashu.space)** - Ecash protocol
-- **[cdk-flutter](https://github.com/cashubtc/cdk_flutter)** - Cashu Development Kit
+- **[CDK](https://github.com/cashubtc/cdk)** - Cashu Development Kit
+- **[flutter_rust_bridge](https://github.com/fzyzcjy/flutter_rust_bridge)** - Rust-Dart FFI
 - **[Cashu4Community](https://cashu4community.xyz)** - Global Cashu community
 - **[Cuba Bitcoin](https://cubabitcoin.org)** - Cuban Bitcoin community
 

android/app/build.gradle

@@ -21,7 +21,7 @@ android {
 
     defaultConfig {
         applicationId "me.elcaju"
-        minSdk flutter.minSdkVersion
+        minSdkVersion flutter.minSdkVersion  // Required for FlutterSecureStorage (EncryptedSharedPreferences)
         targetSdk flutter.targetSdkVersion
         versionCode flutter.versionCode
         versionName flutter.versionName

android/app/src/main/AndroidManifest.xml

@@ -7,6 +7,9 @@
     <!-- Cámara opcional: la app funciona sin ella (pegando desde portapapeles) -->
     <uses-feature android:name="android.hardware.camera" android:required="false"/>
     <uses-feature android:name="android.hardware.camera.autofocus" android:required="false"/>
+    <!-- NFC para compartir tokens Cashu -->
+    <uses-permission android:name="android.permission.NFC"/>
+    <uses-feature android:name="android.hardware.nfc" android:required="false"/>
 
     <application
         android:label="ElCaju"
@@ -34,6 +37,19 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
+        <!-- HCE service: phone emulates NFC tag for phone-to-phone transfers -->
+        <service
+            android:name=".NfcHceService"
+            android:exported="true"
+            android:permission="android.permission.BIND_NFC_SERVICE">
+            <intent-filter>
+                <action android:name="android.nfc.cardemulation.action.HOST_APDU_SERVICE" />
+            </intent-filter>
+            <meta-data
+                android:name="android.nfc.cardemulation.host_apdu_service"
+                android:resource="@xml/hce_nfc" />
+        </service>
+
         <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
         <meta-data

android/app/src/main/kotlin/me/elcaju/MainActivity.kt

@@ -1,5 +1,60 @@
 package me.elcaju
 
+import android.content.ComponentName
+import android.nfc.NfcAdapter
+import android.nfc.cardemulation.CardEmulation
+import android.util.Log
 import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.plugin.common.MethodChannel
 
-class MainActivity : FlutterActivity()
+class MainActivity : FlutterActivity() {
+    private val CHANNEL = "me.elcaju/nfc_hce"
+
+    override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
+        super.configureFlutterEngine(flutterEngine)
+
+        MethodChannel(flutterEngine.dartExecutor.binaryMessenger, CHANNEL).setMethodCallHandler { call, result ->
+            when (call.method) {
+                "setPayload" -> {
+                    val payload = call.argument<ByteArray>("payload")
+                    NfcHceService.ndefPayload = payload
+
+                    // Force Android to route the NDEF AID to our service
+                    // instead of manufacturer services (Xiaomi Mi Share, etc.)
+                    try {
+                        val adapter = NfcAdapter.getDefaultAdapter(this)
+                        if (adapter != null) {
+                            val cardEmulation = CardEmulation.getInstance(adapter)
+                            cardEmulation.setPreferredService(
+                                this,
+                                ComponentName(this, NfcHceService::class.java)
+                            )
+                        }
+                    } catch (e: Exception) {
+                        Log.w("MainActivity", "setPreferredService failed (non-critical)", e)
+                    }
+
+                    result.success(true)
+                }
+                "clearPayload" -> {
+                    NfcHceService.ndefPayload = null
+
+                    // Release preferred service routing
+                    try {
+                        val adapter = NfcAdapter.getDefaultAdapter(this)
+                        if (adapter != null) {
+                            val cardEmulation = CardEmulation.getInstance(adapter)
+                            cardEmulation.unsetPreferredService(this)
+                        }
+                    } catch (e: Exception) {
+                        Log.w("MainActivity", "unsetPreferredService failed (non-critical)", e)
+                    }
+
+                    result.success(true)
+                }
+                else -> result.notImplemented()
+            }
+        }
+    }
+}

android/app/src/main/kotlin/me/elcaju/NfcHceService.kt

@@ -0,0 +1,140 @@
+package me.elcaju
+
+import android.nfc.cardemulation.HostApduService
+import android.os.Bundle
+import android.util.Log
+
+/**
+ * Host Card Emulation service that makes the phone act as an NFC Forum Type 4 tag.
+ * Another phone in reader mode can tap and read the NDEF message we serve.
+ *
+ * The payload is set from Flutter via MainActivity's MethodChannel.
+ */
+class NfcHceService : HostApduService() {
+
+    companion object {
+        private const val TAG = "NfcHceService"
+
+        // Shared payload - set by Flutter via MethodChannel
+        @Volatile
+        var ndefPayload: ByteArray? = null
+
+        private val OK = byteArrayOf(0x90.toByte(), 0x00.toByte())
+        private val NOT_FOUND = byteArrayOf(0x6A.toByte(), 0x82.toByte())
+
+        // Capability Container (CC) file - fixed structure
+        // MLe=0xFF (255), MLc=0xFF (255), max NDEF=0x70FF (28671)
+        // Compatible with Numo
+        private val CC_FILE = byteArrayOf(
+            0x00, 0x0F,                         // CC length (15)
+            0x20,                                // Mapping version 2.0
+            0x00, 0xFF.toByte(),                 // MLe: max read 255 bytes
+            0x00, 0xFF.toByte(),                 // MLc: max write 255 bytes
+            0x04, 0x06,                          // NDEF File Control TLV
+            0xE1.toByte(), 0x04,                 // NDEF file ID
+            0x70, 0xFF.toByte(),                 // Max NDEF size: 28671 bytes
+            0x00,                                // Read access: open
+            0xFF.toByte()                        // Write access: denied
+        )
+    }
+
+    private var selectedFile: String = "none"
+    private var ndefFileCache: ByteArray? = null
+
+    override fun processCommandApdu(commandApdu: ByteArray, extras: Bundle?): ByteArray {
+        if (commandApdu.size < 4) return NOT_FOUND
+
+        val ins = commandApdu[1]
+
+        // SELECT command
+        if (ins == 0xA4.toByte()) {
+            return handleSelect(commandApdu)
+        }
+
+        // READ BINARY command
+        if (ins == 0xB0.toByte()) {
+            return handleRead(commandApdu)
+        }
+
+        return NOT_FOUND
+    }
+
+    private fun handleSelect(apdu: ByteArray): ByteArray {
+        // Select ElCaju proprietary AID (F04543414A5500)
+        // Avoids conflicts with Xiaomi Mi Share / Samsung Beam
+        if (apdu.size >= 12 && apdu[5] == 0xF0.toByte() && apdu[6] == 0x45.toByte()) {
+            selectedFile = "app"
+            Log.d(TAG, "Selected ElCaju Application (proprietary AID)")
+            return OK
+        }
+
+        // Select NDEF Application (AID: D2760000850101)
+        if (apdu.size >= 12 && apdu[5] == 0xD2.toByte() && apdu[6] == 0x76.toByte()) {
+            selectedFile = "app"
+            Log.d(TAG, "Selected NDEF Application")
+            return OK
+        }
+
+        // Select by file ID
+        if (apdu.size >= 7) {
+            val fileId = ((apdu[5].toInt() and 0xFF) shl 8) or (apdu[6].toInt() and 0xFF)
+            when (fileId) {
+                0xE103 -> {
+                    selectedFile = "cc"
+                    Log.d(TAG, "Selected CC file")
+                    return OK
+                }
+                0xE104 -> {
+                    selectedFile = "ndef"
+                    // Cache the NDEF file when selected
+                    val payload = ndefPayload
+                    if (payload != null) {
+                        val file = ByteArray(2 + payload.size)
+                        file[0] = (payload.size shr 8).toByte()
+                        file[1] = (payload.size and 0xFF).toByte()
+                        System.arraycopy(payload, 0, file, 2, payload.size)
+                        ndefFileCache = file
+                        Log.d(TAG, "Selected NDEF file (${payload.size} bytes payload)")
+                    } else {
+                        ndefFileCache = null
+                        Log.w(TAG, "Selected NDEF file but no payload set")
+                    }
+                    return OK
+                }
+            }
+        }
+
+        return NOT_FOUND
+    }
+
+    private fun handleRead(apdu: ByteArray): ByteArray {
+        if (apdu.size < 5) return NOT_FOUND
+
+        val offset = ((apdu[2].toInt() and 0xFF) shl 8) or (apdu[3].toInt() and 0xFF)
+        // Le=0x00 means 256 bytes in short APDU encoding
+        var length = apdu[4].toInt() and 0xFF
+        if (length == 0) length = 256
+
+        val data = when (selectedFile) {
+            "cc" -> CC_FILE
+            "ndef" -> ndefFileCache ?: return NOT_FOUND
+            else -> return NOT_FOUND
+        }
+
+        if (offset >= data.size) {
+            Log.w(TAG, "Read offset $offset beyond data size ${data.size}")
+            return NOT_FOUND
+        }
+
+        val end = minOf(offset + length, data.size)
+        val response = data.copyOfRange(offset, end)
+        Log.d(TAG, "Read $selectedFile: offset=$offset len=$length returned=${response.size} bytes")
+        return response + OK
+    }
+
+    override fun onDeactivated(reason: Int) {
+        Log.d(TAG, "Deactivated (reason=$reason)")
+        selectedFile = "none"
+        ndefFileCache = null
+    }
+}

android/app/src/main/res/values/strings.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="hce_description">ElCaju NFC</string>
+</resources>

android/app/src/main/res/xml/hce_nfc.xml

@@ -0,0 +1,12 @@
+<host-apdu-service xmlns:android="http://schemas.android.com/apk/res/android"
+    android:description="@string/hce_description"
+    android:requireDeviceUnlock="false">
+    <aid-group
+        android:category="other"
+        android:description="@string/hce_description">
+        <!-- ElCaju proprietary AID (avoids Xiaomi/Samsung NFC service conflicts) -->
+        <aid-filter android:name="F04543414A5500" />
+        <!-- NDEF Tag Application AID (NFC Forum Type 4) -->
+        <aid-filter android:name="D2760000850101" />
+    </aid-group>
+</host-apdu-service>

flutter_rust_bridge.yaml

@@ -0,0 +1,3 @@
+rust_input: crate::api
+rust_root: rust/
+dart_output: lib/src/rust

lib/core/constants/colors.dart

@@ -22,6 +22,7 @@ class AppColors {
   // === ACCENT COLORS ===
   static const Color primaryAction = Color(0xFFE35D33); // Naranja vibrante
   static const Color secondaryAction = Color(0xFFFFB74D); // Amarillo pulpa/Bitcoin
+  static const Color bitcoinOrange = Color(0xFFF7931A); // Bitcoin brand orange
   static const Color success = Color(0xFF00E676); // Verde neón
   static const Color error = Color(0xFFFF5252); // Rojo suave
   static const Color warning = Color(0xFFFFB74D); // Amarillo

lib/core/services/nfc_service.dart

@@ -0,0 +1,485 @@
+import 'dart:io' show Platform;
+import 'dart:typed_data';
+import 'package:flutter/services.dart';
+import 'package:nfc_manager/nfc_manager.dart';
+import 'package:nfc_manager/nfc_manager_android.dart';
+import 'package:ndef_record/ndef_record.dart';
+
+/// NFC availability state for UI rendering.
+enum NfcState {
+  /// Device does not have NFC hardware.
+  unsupported,
+
+  /// Device has NFC but it is disabled in settings.
+  disabled,
+
+  /// NFC is supported and enabled.
+  enabled,
+}
+
+/// Service for reading and writing Cashu tokens via NFC.
+///
+/// Writes tokens as NDEF Text Records for maximum compatibility
+/// with cashu.me and Numo. Reads both Text and URI records.
+class NfcService {
+  static const _hceChannel = MethodChannel('me.elcaju/nfc_hce');
+
+  // ─── HCE (phone-to-phone) ───
+
+  /// Start emulating an NFC tag with the given text payload.
+  /// The phone will appear as an NFC tag to other devices.
+  static Future<void> startEmulating(String text) async {
+    final ndefMessage = _buildNdefTextMessage(text);
+    await _hceChannel.invokeMethod('setPayload', {'payload': ndefMessage});
+  }
+
+  /// Stop emulating an NFC tag.
+  static Future<void> stopEmulating() async {
+    await _hceChannel.invokeMethod('clearPayload');
+  }
+
+  /// Build an NDEF message with a Text Record.
+  /// Uses Short Record (SR) for payloads ≤ 255 bytes,
+  /// Long Record for > 255 bytes (compatible with Numo).
+  static Uint8List _buildNdefTextMessage(String text) {
+    final textBytes = Uint8List.fromList(text.codeUnits);
+    final languageCode = Uint8List.fromList('en'.codeUnits);
+
+    // NDEF Text Record payload: [status byte][lang code][text]
+    final recordPayload = Uint8List(1 + languageCode.length + textBytes.length);
+    recordPayload[0] = languageCode.length;
+    recordPayload.setRange(1, 1 + languageCode.length, languageCode);
+    recordPayload.setRange(1 + languageCode.length, recordPayload.length, textBytes);
+
+    final payloadLength = recordPayload.length;
+    final isShortRecord = payloadLength <= 255;
+
+    if (isShortRecord) {
+      // Short Record: flags(1) + typeLen(1) + payloadLen(1) + type(1) + payload
+      final record = Uint8List(4 + payloadLength);
+      record[0] = 0xD1; // MB|ME|SR|TNF=well-known
+      record[1] = 1;    // type length
+      record[2] = payloadLength;
+      record[3] = 0x54; // 'T'
+      record.setRange(4, 4 + payloadLength, recordPayload);
+      return record;
+    } else {
+      // Long Record: flags(1) + typeLen(1) + payloadLen(4) + type(1) + payload
+      final record = Uint8List(7 + payloadLength);
+      record[0] = 0xC1; // MB|ME|TNF=well-known (no SR flag)
+      record[1] = 1;    // type length
+      record[2] = (payloadLength >> 24) & 0xFF;
+      record[3] = (payloadLength >> 16) & 0xFF;
+      record[4] = (payloadLength >> 8) & 0xFF;
+      record[5] = payloadLength & 0xFF;
+      record[6] = 0x54; // 'T'
+      record.setRange(7, 7 + payloadLength, recordPayload);
+      return record;
+    }
+  }
+
+  // ─── Tag read/write ───
+
+  /// Check NFC state on the device.
+  static Future<NfcState> checkState() async {
+    if (!Platform.isAndroid) return NfcState.unsupported;
+    try {
+      final availability = await NfcManager.instance.checkAvailability();
+      return switch (availability) {
+        NfcAvailability.enabled => NfcState.enabled,
+        NfcAvailability.disabled => NfcState.disabled,
+        NfcAvailability.unsupported => NfcState.unsupported,
+      };
+    } catch (_) {
+      return NfcState.unsupported;
+    }
+  }
+
+  /// Write a Cashu token to an NFC tag as NDEF Text Record.
+  static Future<void> startWrite({
+    required String token,
+    required void Function() onSuccess,
+    required void Function(String error) onError,
+  }) async {
+    try {
+      await NfcManager.instance.startSession(
+        pollingOptions: {NfcPollingOption.iso14443},
+        onDiscovered: (NfcTag tag) async {
+          final ndef = NdefAndroid.from(tag);
+          if (ndef == null || !ndef.isWritable) {
+            onError('Tag is not writable');
+            await NfcManager.instance.stopSession();
+            return;
+          }
+
+          // Build NDEF Text Record: [status byte][language code][text]
+          final textBytes = Uint8List.fromList(token.codeUnits);
+          final languageCode = Uint8List.fromList('en'.codeUnits);
+          final payload = Uint8List(1 + languageCode.length + textBytes.length);
+          payload[0] = languageCode.length; // status byte (UTF-8, no length)
+          payload.setRange(1, 1 + languageCode.length, languageCode);
+          payload.setRange(1 + languageCode.length, payload.length, textBytes);
+
+          // Check size
+          if (payload.length + 7 > ndef.maxSize) {
+            onError('Token too large for this NFC tag '
+                '(${payload.length + 7}B > ${ndef.maxSize}B)');
+            await NfcManager.instance.stopSession();
+            return;
+          }
+
+          try {
+            final message = NdefMessage(records: [
+              NdefRecord(
+                typeNameFormat: TypeNameFormat.wellKnown,
+                type: Uint8List.fromList([0x54]), // 'T' = Text Record
+                identifier: Uint8List(0),
+                payload: payload,
+              ),
+            ]);
+            await ndef.writeNdefMessage(message);
+            onSuccess();
+            await NfcManager.instance.stopSession();
+          } catch (e) {
+            onError(e.toString());
+            await NfcManager.instance.stopSession();
+          }
+        },
+      );
+    } catch (e) {
+      onError(e.toString());
+    }
+  }
+
+  /// Stop any active NFC session.
+  static Future<void> stopWrite() async {
+    await NfcManager.instance.stopSession();
+  }
+
+  /// Start reading NFC tags for Cashu tokens.
+  /// Tries IsoDep APDU first (phone-to-phone HCE, bypasses manufacturer
+  /// NFC services), falls back to NDEF (physical tags).
+  static Future<void> startRead({
+    required void Function(String token) onTokenRead,
+    required void Function(String error) onError,
+  }) async {
+    try {
+      await NfcManager.instance.startSession(
+        pollingOptions: {NfcPollingOption.iso14443},
+        onDiscovered: (NfcTag tag) async {
+          try {
+            final diagnostics = <String>[];
+
+            // 1. Try IsoDep first (HCE phone-to-phone)
+            final isoDep = IsoDepAndroid.from(tag);
+            if (isoDep != null) {
+              final (token, isoInfo) = await _readViaIsoDep(isoDep);
+              if (token != null) {
+                onTokenRead(token);
+                await NfcManager.instance.stopSession();
+                return;
+              }
+              diagnostics.add('IsoDep: $isoInfo');
+            } else {
+              diagnostics.add('IsoDep: not available');
+            }
+
+            // 2. Fallback: NDEF (physical tags)
+            final ndef = NdefAndroid.from(tag);
+            if (ndef != null) {
+              final message = ndef.cachedNdefMessage ?? await ndef.getNdefMessage();
+              if (message != null) {
+                final token = _extractToken(message);
+                if (token != null) {
+                  onTokenRead(token);
+                  await NfcManager.instance.stopSession();
+                  return;
+                }
+                diagnostics.add('NDEF: ${message.records.length} records, no Cashu token');
+              } else {
+                diagnostics.add('NDEF: no message');
+              }
+            } else {
+              diagnostics.add('NDEF: not available');
+            }
+
+            onError('No Cashu token found [${diagnostics.join('; ')}]');
+            await NfcManager.instance.stopSession();
+          } catch (e) {
+            onError(e.toString());
+            await NfcManager.instance.stopSession();
+          }
+        },
+      );
+    } catch (e) {
+      onError(e.toString());
+    }
+  }
+
+  /// Read NDEF from HCE via IsoDep APDU commands (like Numo).
+  /// Bypasses manufacturer NFC services (Xiaomi, Samsung, etc).
+  /// Returns (token, diagnosticInfo) tuple.
+  static Future<(String?, String)> _readViaIsoDep(IsoDepAndroid isoDep) async {
+    String _hex(Uint8List bytes) =>
+        bytes.map((b) => b.toRadixString(16).padLeft(2, '0')).join(' ');
+
+    try {
+    // Set longer timeout (5s) to avoid TagLostException
+    await isoDep.setTimeout(5000);
+
+    // Try ElCaju proprietary AID first (avoids Xiaomi/Samsung conflicts)
+    final selectElCaju = await isoDep.transceive(Uint8List.fromList([
+      0x00, 0xA4, 0x04, 0x00, 0x07,
+      0xF0, 0x45, 0x43, 0x41, 0x4A, 0x55, 0x00,
+      0x00,
+    ]));
+    final bool elCajuSelected = _isOk(selectElCaju);
+
+    // Fallback: standard NDEF Application AID
+    if (!elCajuSelected) {
+      final selectApp = await isoDep.transceive(Uint8List.fromList([
+        0x00, 0xA4, 0x04, 0x00, 0x07,
+        0xD2, 0x76, 0x00, 0x00, 0x85, 0x01, 0x01,
+        0x00,
+      ]));
+      if (!_isOk(selectApp)) {
+        return (null, 'SELECT APP failed (both AIDs): elcaju=${_hex(selectElCaju)}, ndef=${_hex(selectApp)}');
+      }
+    }
+
+    // SELECT NDEF file (E104)
+    final selectNdef = await isoDep.transceive(Uint8List.fromList([
+      0x00, 0xA4, 0x00, 0x0C, 0x02,
+      0xE1, 0x04,
+    ]));
+    if (!_isOk(selectNdef)) {
+      return (null, 'SELECT NDEF failed: ${_hex(selectNdef)}');
+    }
+
+    // READ NLEN (first 2 bytes)
+    final nlenResponse = await isoDep.transceive(Uint8List.fromList([
+      0x00, 0xB0, 0x00, 0x00, 0x02,
+    ]));
+    if (nlenResponse.length < 4 || !_isOk(nlenResponse)) {
+      return (null, 'READ NLEN failed: ${_hex(nlenResponse)}');
+    }
+
+    final ndefLen = (nlenResponse[0] << 8) | nlenResponse[1];
+    if (ndefLen == 0) {
+      return (null, 'NLEN=0 (no payload set on emitter)');
+    }
+
+    // READ NDEF message in chunks (max 255 bytes per read)
+    final ndefBytes = BytesBuilder();
+    var offset = 2; // skip NLEN
+    var remaining = ndefLen;
+
+    while (remaining > 0) {
+      final chunkSize = remaining > 255 ? 255 : remaining;
+      final readCmd = Uint8List.fromList([
+        0x00, 0xB0,
+        (offset >> 8) & 0xFF,
+        offset & 0xFF,
+        chunkSize,
+      ]);
+      final chunk = await isoDep.transceive(readCmd);
+      if (chunk.length < 2 || !_isOk(chunk)) {
+        return (null, 'READ chunk at offset=$offset failed: ${_hex(chunk)}');
+      }
+
+      // Response = data + SW1 SW2 (last 2 bytes are status)
+      final bytesRead = chunk.length - 2;
+      if (bytesRead == 0) {
+        return (null, 'READ chunk at offset=$offset returned no data');
+      }
+      ndefBytes.add(chunk.sublist(0, bytesRead));
+      offset += bytesRead;
+      remaining -= bytesRead;
+    }
+
+    // Parse NDEF message from raw bytes
+    final raw = ndefBytes.toBytes();
+    if (raw.isEmpty) {
+      return (null, 'read ${ndefLen}B but empty after parsing');
+    }
+
+    final token = _parseNdefAndExtractToken(Uint8List.fromList(raw));
+    if (token != null) {
+      return (token, 'OK');
+    }
+    return (null, 'NDEF parsed (${raw.length}B) but no Cashu token, hex: ${_hex(Uint8List.fromList(raw.length > 40 ? raw.sublist(0, 40) : raw))}...');
+
+    } catch (e) {
+      final msg = e.toString();
+      if (msg.contains('TagLostException')) {
+        return (null, 'connection lost (hold phones together longer)');
+      }
+      return (null, 'error: $msg');
+    }
+  }
+
+  /// Check if APDU response ends with 90 00 (OK).
+  static bool _isOk(Uint8List response) {
+    if (response.length < 2) return false;
+    return response[response.length - 2] == 0x90 &&
+           response[response.length - 1] == 0x00;
+  }
+
+  /// Parse raw NDEF bytes and extract Cashu token.
+  static String? _parseNdefAndExtractToken(Uint8List raw) {
+    if (raw.isEmpty) return null;
+
+    var pos = 0;
+    while (pos < raw.length) {
+      if (pos + 3 > raw.length) break;
+
+      final flags = raw[pos];
+      final tnf = flags & 0x07;
+      final isShortRecord = (flags & 0x10) != 0;
+      final hasIdLength = (flags & 0x08) != 0;
+
+      pos++;
+      final typeLength = raw[pos]; pos++;
+
+      int payloadLength;
+      if (isShortRecord) {
+        payloadLength = raw[pos]; pos++;
+      } else {
+        if (pos + 4 > raw.length) break;
+        payloadLength = (raw[pos] << 24) | (raw[pos+1] << 16) |
+                        (raw[pos+2] << 8) | raw[pos+3];
+        pos += 4;
+      }
+
+      int idLength = 0;
+      if (hasIdLength) {
+        idLength = raw[pos]; pos++;
+      }
+
+      // Type
+      if (pos + typeLength > raw.length) break;
+      final type = raw.sublist(pos, pos + typeLength); pos += typeLength;
+
+      // ID (skip)
+      pos += idLength;
+
+      // Payload
+      if (pos + payloadLength > raw.length) break;
+      final payload = raw.sublist(pos, pos + payloadLength);
+      pos += payloadLength;
+
+      // Check: Text Record (TNF=0x01, type='T')
+      if (tnf == 0x01 && typeLength == 1 && type[0] == 0x54) {
+        if (payload.isNotEmpty) {
+          final langLen = payload[0] & 0x3F;
+          if (payload.length > 1 + langLen) {
+            final text = String.fromCharCodes(payload.sublist(1 + langLen));
+            if (_isCashuToken(text)) return text;
+          }
+        }
+      }
+
+      // Check: URI Record (TNF=0x01, type='U')
+      if (tnf == 0x01 && typeLength == 1 && type[0] == 0x55) {
+        if (payload.isNotEmpty) {
+          const prefixes = ['', 'http://www.', 'https://www.', 'http://', 'https://'];
+          final prefixIdx = payload[0];
+          final prefix = prefixIdx < prefixes.length ? prefixes[prefixIdx] : '';
+          final rest = String.fromCharCodes(payload.sublist(1));
+          final uri = '$prefix$rest';
+          final token = _extractTokenFromUri(uri);
+          if (token != null) return token;
+        }
+      }
+
+      // If ME (Message End) flag set, stop
+      if ((flags & 0x40) != 0) break;
+    }
+
+    return null;
+  }
+
+  /// Stop any active NFC read session.
+  static Future<void> stopRead() async {
+    await NfcManager.instance.stopSession();
+  }
+
+  /// Extract a Cashu token from an NDEF message.
+  static String? _extractToken(NdefMessage message) {
+    for (final record in message.records) {
+      // Text Record
+      if (record.typeNameFormat == TypeNameFormat.wellKnown &&
+          record.type.length == 1 &&
+          record.type[0] == 0x54) {
+        final text = _decodeTextRecord(record);
+        if (text != null && _isCashuToken(text)) {
+          return text;
+        }
+      }
+
+      // URI Record
+      if (record.typeNameFormat == TypeNameFormat.wellKnown &&
+          record.type.length == 1 &&
+          record.type[0] == 0x55) {
+        final uri = _decodeUriRecord(record);
+        if (uri != null) {
+          final token = _extractTokenFromUri(uri);
+          if (token != null) return token;
+        }
+      }
+    }
+    return null;
+  }
+
+  /// Decode NDEF Text Record payload.
+  static String? _decodeTextRecord(NdefRecord record) {
+    if (record.payload.isEmpty) return null;
+    final languageCodeLength = record.payload[0] & 0x3F;
+    if (record.payload.length <= 1 + languageCodeLength) return null;
+    return String.fromCharCodes(
+        record.payload.sublist(1 + languageCodeLength));
+  }
+
+  /// Decode NDEF URI Record payload.
+  static String? _decodeUriRecord(NdefRecord record) {
+    if (record.payload.isEmpty) return null;
+    const prefixes = [
+      '', // 0x00
+      'http://www.', // 0x01
+      'https://www.', // 0x02
+      'http://', // 0x03
+      'https://', // 0x04
+    ];
+    final prefixIndex = record.payload[0];
+    final prefix = prefixIndex < prefixes.length ? prefixes[prefixIndex] : '';
+    final rest = String.fromCharCodes(record.payload.sublist(1));
+    return '$prefix$rest';
+  }
+
+  /// Extract token from a URL like https://wallet.com/#token=cashuA...
+  static String? _extractTokenFromUri(String uri) {
+    try {
+      final parsed = Uri.parse(uri);
+      final fragmentParams = Uri.splitQueryString(parsed.fragment);
+      final fragmentToken = fragmentParams['token'];
+      if (fragmentToken != null && _isCashuToken(fragmentToken)) {
+        return fragmentToken;
+      }
+      final tokenParam = parsed.queryParameters['token'];
+      if (tokenParam != null && _isCashuToken(tokenParam)) {
+        return tokenParam;
+      }
+    } catch (_) {}
+    return null;
+  }
+
+  /// Check if a string looks like a Cashu token or payment request.
+  static bool _isCashuToken(String text) {
+    final lower = text.toLowerCase().trim();
+    return lower.startsWith('cashua') ||
+        lower.startsWith('cashub') ||
+        lower.startsWith('creqa') ||
+        lower.startsWith('creqb') ||
+        lower.startsWith('bitcoin:');
+  }
+}

lib/core/services/proof_service.dart

@@ -33,7 +33,7 @@ class ProofService {
     final dir = await getApplicationDocumentsDirectory();
     final dbPath = '${dir.path}/elcaju_wallet.sqlite';
 
-    _db = await openDatabase(dbPath);
+    _db = await openDatabase(dbPath, singleInstance: false);
     return _db!;
   }
 

lib/core/utils/bip321_builder.dart

@@ -0,0 +1,20 @@
+/// Builds a BIP-321 unified payment URI.
+///
+/// Format: BITCOIN:?LIGHTNING=LNBC...&CREQ=CREQB1...
+/// All uppercase for optimal QR encoding (alphanumeric mode).
+///
+/// Ref: NUT-26 "BIP-321 Integration" section.
+String buildUnifiedUri({
+  required String creqB,
+  String? bolt11,
+}) {
+  final buffer = StringBuffer('bitcoin:?');
+  if (bolt11 != null) {
+    buffer.write('lightning=');
+    buffer.write(bolt11.toUpperCase());
+    buffer.write('&');
+  }
+  buffer.write('creq=');
+  buffer.write(creqB.toUpperCase());
+  return buffer.toString();
+}

lib/core/utils/incoming_data_parser.dart

@@ -1,5 +1,7 @@
 // Parser para detectar el tipo de dato entrante (QR, clipboard, etc.)
-// Soporta: tokens Cashu (A/B), invoices Lightning, URLs de mint, payment requests
+// Soporta: tokens Cashu (A/B), invoices Lightning, URLs de mint, payment requests, peanut emoji
+
+import 'peanut_codec.dart';
 
 /// Modo de escaneo
 enum ScanMode {
@@ -13,7 +15,7 @@ enum IncomingDataType {
   cashuToken,       // cashuA... / cashuB...
   lightningInvoice, // lnbc... / lntb... / lnbcrt...
   mintUrl,          // https://...
-  paymentRequest,   // creqA... (post-MVP, Cashu payment request)
+  paymentRequest,   // creqA/creqB/bitcoin:?creq= (NUT-18/26 payment request)
   unknown,
 }
 
@@ -57,6 +59,15 @@ class IncomingDataParser {
   /// Detecta el tipo de dato y extrae información relevante
   static ParsedData parse(String data) {
     final trimmed = data.trim();
+
+    // Peanut-encoded token (🥜 + variation selectors)
+    if (PeanutCodec.isPeanut(trimmed)) {
+      final decoded = PeanutCodec.decode(trimmed);
+      if (decoded != null) {
+        return parse(decoded);
+      }
+    }
+
     final lower = trimmed.toLowerCase();
 
     // Token Cashu (cashuA... o cashuB...)
@@ -92,8 +103,31 @@ class IncomingDataParser {
       );
     }
 
-    // Payment Request (creqA...)
-    if (lower.startsWith('creqa')) {
+    // BIP-321 unified URI: bitcoin:?lightning=...&creq=...
+    // Detect as paymentRequest but also extract the lightning invoice
+    if (lower.startsWith('bitcoin:')) {
+      final bolt11 = _extractBip321Param(trimmed, 'lightning');
+      final creq = _extractBip321Param(trimmed, 'creq');
+
+      if (creq != null) {
+        return ParsedData(
+          type: IncomingDataType.paymentRequest,
+          raw: trimmed,
+          invoiceBolt11: bolt11,
+        );
+      }
+      // bitcoin: URI with only lightning= (no creq)
+      if (bolt11 != null) {
+        return ParsedData(
+          type: IncomingDataType.lightningInvoice,
+          raw: trimmed,
+          invoiceBolt11: bolt11,
+        );
+      }
+    }
+
+    // Payment Request: creqA (NUT-18), creqB/CREQB1 (NUT-26)
+    if (lower.startsWith('creqa') || lower.startsWith('creqb')) {
       return ParsedData(
         type: IncomingDataType.paymentRequest,
         raw: trimmed,
@@ -182,7 +216,35 @@ class IncomingDataParser {
       case ScanMode.cashuOnly:
         return data.type == IncomingDataType.cashuToken;
       case ScanMode.invoiceOnly:
-        return data.type == IncomingDataType.lightningInvoice;
+        // Accept pure invoices and BIP-321 URIs that contain a lightning invoice
+        return data.type == IncomingDataType.lightningInvoice ||
+            (data.type == IncomingDataType.paymentRequest &&
+                data.invoiceBolt11 != null);
     }
   }
+
+  /// Extract a query parameter value from a BIP-321 URI.
+  /// Case-insensitive key matching, handles percent-encoding.
+  static String? _extractBip321Param(String uri, String key) {
+    final qIndex = uri.indexOf('?');
+    if (qIndex < 0) return null;
+    final query = uri.substring(qIndex + 1);
+    for (final param in query.split('&')) {
+      final eqIndex = param.indexOf('=');
+      if (eqIndex < 0) continue;
+      final k = param.substring(0, eqIndex);
+      if (k.toLowerCase() == key.toLowerCase()) {
+        final rawValue = param.substring(eqIndex + 1);
+        if (rawValue.isEmpty) continue;
+        try {
+          final value = Uri.decodeComponent(rawValue);
+          if (value.isEmpty) continue;
+          return value;
+        } on ArgumentError {
+          continue;
+        }
+      }
+    }
+    return null;
+  }
 }

lib/core/utils/keyset_debug.dart

@@ -0,0 +1,108 @@
+/// Utilidad para leer datos del SQLite de CDK.
+/// Usado para:
+/// - Debug de keyset counters
+/// - Leer input_fee_ppk para cálculo de fees
+/// - Contar proofs unspent para consolidación P2PK
+library;
+
+import 'package:flutter/foundation.dart';
+import 'package:sqflite/sqflite.dart';
+import 'package:path_provider/path_provider.dart';
+
+class KeysetDebug {
+  static Database? _db;
+
+  /// Abre la DB de CDK en modo solo lectura.
+  static Future<Database> _getDb() async {
+    if (_db != null && _db!.isOpen) return _db!;
+
+    final dir = await getApplicationDocumentsDirectory();
+    final dbPath = '${dir.path}/elcaju_wallet.sqlite';
+
+    _db = await openDatabase(dbPath, readOnly: true);
+    return _db!;
+  }
+
+  /// Lee todos los keysets con sus counters y los imprime.
+  /// Retorna el counter del keyset activo (si hay uno).
+  static Future<void> logCounters(String label) async {
+    try {
+      final db = await _getDb();
+
+      final rows = await db.rawQuery(
+        'SELECT id, unit, active, counter FROM keyset ORDER BY active DESC, unit ASC',
+      );
+
+      debugPrint('[COUNTER DEBUG] ===== $label =====');
+      debugPrint('[COUNTER DEBUG] Total keysets: ${rows.length}');
+
+      for (final row in rows) {
+        final id = row['id'] as String?;
+        final unit = row['unit'] as String?;
+        final active = row['active'] as int?;
+        final counter = row['counter'] as int?;
+        final shortId = (id != null && id.length > 12) ? id.substring(0, 12) : id;
+
+        debugPrint(
+          '[COUNTER DEBUG]   keyset=$shortId  unit=$unit  active=$active  counter=$counter',
+        );
+      }
+    } catch (e) {
+      debugPrint('[COUNTER DEBUG] Error leyendo counters: $e');
+    }
+  }
+
+  /// Lee el input_fee_ppk del keyset activo para un mint y unidad.
+  ///
+  /// IMPORTANTE: Lee directamente del schema interno de CDK (tabla `keyset`,
+  /// columna `input_fee_ppk`). Escrito para CDK 0.13.4 (cdk-flutter actual).
+  /// Si CDK cambia el schema (ej: en 0.14.x con rusqlite), este query puede
+  /// fallar. En caso de error retorna -1 (asume fees > 0) para bloquear P2PK
+  /// de forma segura — nunca retornar 0 en error porque permitiria P2PK en
+  /// mints con fees, causando perdida de fondos.
+  ///
+  /// TODO: Revisar este codigo al actualizar cdk-flutter a CDK 0.14.x.
+  /// Idealmente cdk-flutter deberia exponer getActiveKeyset().inputFeePpk
+  /// via API publica en lugar de leer SQLite directamente.
+  static Future<int> getInputFeePpk(String mintUrl, String unit) async {
+    try {
+      final db = await _getDb();
+      final rows = await db.rawQuery(
+        'SELECT input_fee_ppk FROM keyset WHERE active=1 AND unit=? AND mint_url=?',
+        [unit, mintUrl],
+      );
+      if (rows.isEmpty) {
+        debugPrint('[KEYSET DEBUG] No active keyset found for $mintUrl/$unit');
+        return -1;
+      }
+      return (rows.first['input_fee_ppk'] as int?) ?? 0;
+    } catch (e) {
+      debugPrint('[KEYSET DEBUG] Error leyendo input_fee_ppk: $e');
+      // Fail-safe: asumir fees > 0 para bloquear P2PK ante schema desconocido
+      return -1;
+    }
+  }
+
+  /// Cuenta los proofs UNSPENT de un mint y unidad.
+  /// Retorna 0 si no se encuentra o hay error.
+  static Future<int> getUnspentProofCount(String mintUrl, String unit) async {
+    try {
+      final db = await _getDb();
+      final rows = await db.rawQuery(
+        'SELECT COUNT(*) as count FROM proof WHERE state=? AND mint_url=? AND unit=?',
+        ['UNSPENT', mintUrl, unit],
+      );
+      if (rows.isEmpty) return 0;
+      return (rows.first['count'] as int?) ?? 0;
+    } catch (e) {
+      debugPrint('[KEYSET DEBUG] Error contando proofs: $e');
+      return 0;
+    }
+  }
+
+  /// Cierra la DB (llamar al final si es necesario).
+  static Future<void> close() async {
+    await _db?.close();
+    _db = null;
+  }
+}

lib/core/utils/nostr_utils.dart

@@ -0,0 +1,197 @@
+/// Utilidades para conversión de claves Nostr (npub/nsec/hex)
+///
+/// Formatos soportados:
+/// - npub1... (clave pública Nostr en bech32)
+/// - nsec1... (clave privada Nostr en bech32)
+/// - hex (64 caracteres hexadecimales)
+/// - nostr:npub1... (URI de Nostr)
+library;
+
+import 'dart:typed_data';
+import 'package:bech32/bech32.dart';
+
+class NostrUtils {
+  static const _npubHrp = 'npub';
+  static const _nsecHrp = 'nsec';
+
+  // ============ HEX -> BECH32 ============
+
+  /// Convierte hex a npub
+  /// Acepta 64 chars (x-only) o 66 chars (SEC1 comprimido con prefijo 02/03)
+  static String hexToNpub(String hex) {
+    // Si es SEC1 comprimido (66 chars con prefijo 02 o 03), quitar prefijo
+    if (RegExp(r'^0[23][0-9a-fA-F]{64}$').hasMatch(hex)) {
+      hex = hex.substring(2);
+    } else if (!RegExp(r'^[0-9a-fA-F]{64}$').hasMatch(hex)) {
+      throw ArgumentError('Expected 64 or 66-char hex string, got ${hex.length} chars');
+    }
+    final bytes = _hexToBytes(hex);
+    final converted = _convertBits(bytes, 8, 5, true);
+    final bech32Data = Bech32(_npubHrp, converted);
+    return const Bech32Codec().encode(bech32Data);
+  }
+
+  /// Convierte hex (64 chars) a nsec
+  static String hexToNsec(String hex) {
+    if (!RegExp(r'^[0-9a-fA-F]{64}$').hasMatch(hex)) {
+      throw ArgumentError('Expected 64-char hex string, got ${hex.length} chars');
+    }
+    final bytes = _hexToBytes(hex);
+    final converted = _convertBits(bytes, 8, 5, true);
+    final bech32Data = Bech32(_nsecHrp, converted);
+    return const Bech32Codec().encode(bech32Data);
+  }
+
+  // ============ BECH32 -> HEX ============
+
+  /// Convierte npub a hex
+  static String? npubToHex(String npub) {
+    try {
+      final decoded = const Bech32Codec().decode(npub);
+      if (decoded.hrp != _npubHrp) return null;
+      final bytes = _convertBits(decoded.data, 5, 8, false);
+      return _bytesToHex(Uint8List.fromList(bytes));
+    } catch (e) {
+      return null;
+    }
+  }
+
+  /// Convierte nsec a hex
+  static String? nsecToHex(String nsec) {
+    try {
+      final decoded = const Bech32Codec().decode(nsec);
+      if (decoded.hrp != _nsecHrp) return null;
+      final bytes = _convertBits(decoded.data, 5, 8, false);
+      return _bytesToHex(Uint8List.fromList(bytes));
+    } catch (e) {
+      return null;
+    }
+  }
+
+  // ============ NORMALIZACIÓN ============
+
+  /// Normaliza input a hex (acepta npub, hex, nostr:npub)
+  /// Retorna null si el input no es válido
+  static String? normalizeToHex(String input) {
+    input = input.trim();
+
+    // Remover prefijo nostr: si existe
+    if (input.startsWith('nostr:')) {
+      input = input.substring(6);
+    }
+
+    // Si es npub → convertir a hex
+    if (input.startsWith('npub1')) {
+      return npubToHex(input);
+    }
+
+    // Si es hex válido (64 caracteres) → usar directo
+    if (RegExp(r'^[0-9a-fA-F]{64}$').hasMatch(input)) {
+      return input.toLowerCase();
+    }
+
+    return null;
+  }
+
+  // ============ P2PK (SEC1 COMPRESSED) ============
+
+  /// Normaliza input a clave pública comprimida SEC1 (66 hex chars)
+  /// Cashu P2PK usa claves comprimidas de 33 bytes (prefijo 02 o 03)
+  /// Acepta: npub, hex 64 chars (x-only), hex 66 chars (compressed)
+  static String? normalizeToCompressedHex(String input) {
+    input = input.trim();
+
+    // Remover prefijo nostr: si existe
+    if (input.startsWith('nostr:')) {
+      input = input.substring(6);
+    }
+
+    // Si ya es hex comprimido (66 chars con prefijo 02 o 03)
+    if (RegExp(r'^0[23][0-9a-fA-F]{64}$').hasMatch(input)) {
+      return input.toLowerCase();
+    }
+
+    // Si es npub → convertir a hex x-only → añadir prefijo 02
+    if (input.startsWith('npub1')) {
+      final xOnlyHex = npubToHex(input);
+      if (xOnlyHex != null) {
+        return '02$xOnlyHex';
+      }
+      return null;
+    }
+
+    // Si es hex x-only (64 chars) → añadir prefijo 02
+    if (RegExp(r'^[0-9a-fA-F]{64}$').hasMatch(input)) {
+      return '02${input.toLowerCase()}';
+    }
+
+    return null;
+  }
+
+  /// Valida si un input es válido para P2PK
+  static bool isValidP2PKPubkey(String input) {
+    return normalizeToCompressedHex(input) != null;
+  }
+
+  // ============ VALIDACIÓN ============
+
+  /// Valida si un input es una pubkey válida (npub o hex)
+  static bool isValidPubkey(String input) {
+    final hex = normalizeToHex(input);
+    return hex != null && hex.length == 64;
+  }
+
+  /// Valida si es un nsec válido
+  static bool isValidNsec(String input) {
+    if (input.startsWith('nostr:')) input = input.substring(6);
+    return input.startsWith('nsec1') && nsecToHex(input) != null;
+  }
+
+  /// Valida si es un npub válido
+  static bool isValidNpub(String input) {
+    if (input.startsWith('nostr:')) input = input.substring(6);
+    return input.startsWith('npub1') && npubToHex(input) != null;
+  }
+
+  // ============ HELPERS PRIVADOS ============
+
+  static Uint8List _hexToBytes(String hex) {
+    final result = Uint8List(hex.length ~/ 2);
+    for (var i = 0; i < hex.length; i += 2) {
+      result[i ~/ 2] = int.parse(hex.substring(i, i + 2), radix: 16);
+    }
+    return result;
+  }
+
+  static String _bytesToHex(Uint8List bytes) {
+    return bytes.map((b) => b.toRadixString(16).padLeft(2, '0')).join();
+  }
+
+  /// Convierte bits entre bases (5 <-> 8) para bech32
+  static List<int> _convertBits(
+    List<int> data,
+    int fromBits,
+    int toBits,
+    bool pad,
+  ) {
+    var acc = 0;
+    var bits = 0;
+    final result = <int>[];
+    final maxv = (1 << toBits) - 1;
+
+    for (final value in data) {
+      acc = (acc << fromBits) | value;
+      bits += fromBits;
+      while (bits >= toBits) {
+        bits -= toBits;
+        result.add((acc >> bits) & maxv);
+      }
+    }
+
+    if (pad && bits > 0) {
+      result.add((acc << (toBits - bits)) & maxv);
+    }
+
+    return result;
+  }
+}

lib/core/utils/p2pk_utils.dart

@@ -0,0 +1,146 @@
+/// Utilidades para detección de P2PK en tokens Cashu
+///
+/// Soporta:
+/// - Tokens V3 (cashuA - base64 JSON)
+/// - Tokens V4 (cashuB - CBOR)
+library;
+
+import 'dart:convert';
+import 'dart:typed_data';
+import 'package:cbor/cbor.dart';
+
+class P2PKUtils {
+  /// Extrae la pubkey bloqueada de un token P2PK (si existe)
+  /// Retorna null si el token no es P2PK o no se puede parsear
+  static String? extractLockedPubkey(String encodedToken) {
+    try {
+      String token = encodedToken.trim();
+
+      // Remover prefijo cashu: si existe
+      if (token.startsWith('cashu:')) {
+        token = token.substring(6);
+      }
+
+      if (token.startsWith('cashuA')) {
+        return _extractFromV3(token);
+      } else if (token.startsWith('cashuB')) {
+        return _extractFromV4(token);
+      }
+
+      return null;
+    } catch (e) {
+      return null;
+    }
+  }
+
+  /// Verifica si un token está bloqueado con P2PK
+  static bool isP2PKLocked(String encodedToken) {
+    return extractLockedPubkey(encodedToken) != null;
+  }
+
+  // ============ V3 TOKEN (cashuA - base64 JSON) ============
+
+  static String? _extractFromV3(String token) {
+    try {
+      final base64Part = token.substring(6);
+      final jsonStr = utf8.decode(base64.decode(base64Part));
+      final data = jsonDecode(jsonStr) as Map<String, dynamic>;
+
+      // Estructura: { token: [{ proofs: [...] }] }
+      final tokenList = data['token'] as List?;
+      if (tokenList == null || tokenList.isEmpty) return null;
+
+      final proofs = tokenList[0]['proofs'] as List?;
+      if (proofs == null || proofs.isEmpty) return null;
+
+      final secret = proofs[0]['secret'];
+      return _parseP2PKSecret(secret);
+    } catch (e) {
+      return null;
+    }
+  }
+
+  // ============ V4 TOKEN (cashuB - CBOR) ============
+
+  static String? _extractFromV4(String token) {
+    try {
+      final cborPart = token.substring(6);
+      // V4 usa base64url
+      final bytes = base64Url.decode(_padBase64(cborPart));
+      final decoded = cbor.decode(bytes);
+
+      if (decoded is! CborMap) return null;
+
+      // Estructura CBOR: { t: [{ p: [...] }] } o { p: [...] }
+      final tokenData = decoded.toObject() as Map<dynamic, dynamic>;
+
+      List<dynamic>? proofs;
+      if (tokenData.containsKey('t')) {
+        final t = tokenData['t'] as List?;
+        if (t != null && t.isNotEmpty) {
+          final firstToken = t[0];
+          if (firstToken is Map) {
+            proofs = firstToken['p'] as List?;
+          }
+        }
+      } else if (tokenData.containsKey('p')) {
+        proofs = tokenData['p'] as List?;
+      }
+
+      if (proofs == null || proofs.isEmpty) return null;
+
+      final firstProof = proofs[0];
+      if (firstProof is! Map) return null;
+
+      final secret = firstProof['s'];
+      return _parseP2PKSecret(secret);
+    } catch (e) {
+      return null;
+    }
+  }
+
+  // ============ PARSER DE SECRET P2PK (NUT-10) ============
+
+  /// Parsea el secret de un proof para extraer la pubkey P2PK
+  /// Estructura P2PK: ["P2PK", { "nonce": "...", "data": "<pubkey>", "tags": [...] }]
+  static String? _parseP2PKSecret(dynamic secret) {
+    if (secret == null) return null;
+
+    String secretStr;
+    if (secret is String) {
+      secretStr = secret;
+    } else if (secret is List<int>) {
+      // Uint8List también es List<int>, así que este branch cubre ambos
+      secretStr = utf8.decode(secret);
+    } else {
+      return null;
+    }
+
+    try {
+      final parsed = jsonDecode(secretStr);
+      if (parsed is List && parsed.length >= 2 && parsed[0] == 'P2PK') {
+        final data = parsed[1];
+        if (data is Map && data.containsKey('data')) {
+          final pubkey = data['data'];
+          // Validar que sea hex de 64 chars (x-only) o 66 chars (SEC1 comprimido)
+          if (pubkey is String &&
+              (RegExp(r'^[0-9a-fA-F]{64}$').hasMatch(pubkey) ||
+               RegExp(r'^0[23][0-9a-fA-F]{64}$').hasMatch(pubkey))) {
+            return pubkey.toLowerCase();
+          }
+        }
+      }
+    } catch (e) {
+      // No es P2PK o formato inválido
+    }
+
+    return null;
+  }
+
+  /// Agrega padding a base64url si es necesario
+  static String _padBase64(String input) {
+    final remainder = input.length % 4;
+    if (remainder == 0) return input;
+    return input + '=' * (4 - remainder);
+  }
+}

lib/core/utils/peanut_codec.dart

@@ -0,0 +1,62 @@
+/// Peanut encoding/decoding for Cashu tokens.
+///
+/// Encodes Cashu tokens into invisible Unicode Variation Selectors
+/// appended to a 🥜 emoji, compatible with cashu.me's implementation.
+///
+/// Each character of the base64 token is mapped to a Variation Selector:
+/// - charCode 0-15  → VS1-VS16 (U+FE00 to U+FE0F)
+/// - charCode 16-255 → VS17-VS256 (U+E0100 to U+E01EF)
+class PeanutCodec {
+  static const String _peanutEmoji = '🥜';
+
+  /// Encodes a Cashu token string into peanut format (🥜 + variation selectors).
+  static String encode(String token) {
+    final buffer = StringBuffer(_peanutEmoji);
+
+    for (int i = 0; i < token.length; i++) {
+      final byte = token.codeUnitAt(i);
+
+      if (byte < 16) {
+        // VS1-VS16: U+FE00 to U+FE0F
+        buffer.writeCharCode(0xFE00 + byte);
+      } else if (byte < 256) {
+        // VS17-VS256: U+E0100 to U+E01EF
+        buffer.writeCharCode(0xE0100 + (byte - 16));
+      }
+    }
+
+    return buffer.toString();
+  }
+
+  /// Decodes a peanut-encoded string back to the original Cashu token.
+  /// Returns null if the input is not valid peanut format.
+  static String? decode(String peanut) {
+    final trimmed = peanut.trimLeft();
+    if (!trimmed.startsWith(_peanutEmoji)) return null;
+
+    final buffer = StringBuffer();
+    final runes = trimmed.runes.toList();
+
+    // Skip the first rune (🥜 emoji)
+    for (int i = 1; i < runes.length; i++) {
+      final codePoint = runes[i];
+
+      if (codePoint >= 0xFE00 && codePoint <= 0xFE0F) {
+        // VS1-VS16 → byte 0-15
+        buffer.writeCharCode(codePoint - 0xFE00);
+      } else if (codePoint >= 0xE0100 && codePoint <= 0xE01EF) {
+        // VS17-VS256 → byte 16-255
+        buffer.writeCharCode(codePoint - 0xE0100 + 16);
+      }
+      // Skip any other characters (whitespace, etc.)
+    }
+
+    final result = buffer.toString();
+    return result.isNotEmpty ? result : null;
+  }
+
+  /// Returns true if the string starts with the 🥜 emoji.
+  static bool isPeanut(String data) {
+    return data.trimLeft().startsWith(_peanutEmoji);
+  }
+}

lib/l10n/app_de.arb

@@ -0,0 +1,563 @@
+{
+  "@@locale": "de",
+
+  "appName": "ElCaju",
+  "appTagline": "Deine private ecash Wallet",
+  "loadingMessage1": "Verschlüsselung deiner Münzen...",
+  "loadingMessage2": "Vorbereitung deiner E-Tokens...",
+  "loadingMessage3": "Verbindung zum Mint...",
+  "loadingMessage4": "Privatsphäre standardmäßig.",
+  "loadingMessage5": "Blind signierte Tokens...",
+  "loadingMessage6": "Go full Calle...",
+  "loadingMessage7": "Cashu + Bitchat = Privatsphäre + Freiheit",
+  "aboutTagline": "Privatsphäre ohne Grenzen.",
+
+  "welcomeTitle": "Willkommen bei ElCaju",
+  "welcomeSubtitle": "Cashu für die Welt. Made in Cuba.",
+
+  "createWallet": "Neue Wallet erstellen",
+  "restoreWallet": "Wallet wiederherstellen",
+
+  "createWalletTitle": "Wallet erstellen",
+  "creatingWallet": "Erstelle deine Wallet...",
+  "generatingSeed": "Sichere Generierung deiner Seed-Phrase",
+  "createWalletDescription": "Eine 12-Wort Seed-Phrase wird generiert.\nBewahre sie an einem sicheren Ort auf.",
+  "generateWallet": "Wallet generieren",
+
+  "walletCreated": "Wallet erstellt!",
+  "walletCreatedDescription": "Deine Wallet ist bereit. Wir empfehlen, jetzt ein Backup deiner Seed-Phrase zu erstellen.",
+  "backupWarning": "Ohne Backup verlierst du den Zugang zu deinen Mitteln, wenn du das Gerät verlierst.",
+  "backupNow": "Jetzt sichern",
+  "backupLater": "Später machen",
+
+  "backupTitle": "Backup",
+  "seedPhraseTitle": "Deine Seed-Phrase",
+  "seedPhraseDescription": "Speichere diese 12 Wörter in der richtigen Reihenfolge. Sie sind der einzige Weg, deine Wallet wiederherzustellen.",
+  "revealSeedPhrase": "Seed-Phrase anzeigen",
+  "tapToReveal": "Tippe auf den Button, um\ndeine Seed-Phrase anzuzeigen",
+  "copyToClipboard": "In Zwischenablage kopieren",
+  "seedCopied": "Phrase in Zwischenablage kopiert",
+  "neverShareSeed": "Teile deine Seed-Phrase niemals mit anderen.",
+  "confirmBackup": "Ich habe meine Seed-Phrase an einem sicheren Ort gespeichert",
+  "continue_": "Weiter",
+
+  "restoreTitle": "Wallet wiederherstellen",
+  "enterSeedPhrase": "Gib deine Seed-Phrase ein",
+  "enterSeedDescription": "Gib die 12 oder 24 Wörter durch Leerzeichen getrennt ein.",
+  "seedPlaceholder": "wort1 wort2 wort3 ...",
+  "wordCount": "{count} Wörter",
+  "@wordCount": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "needWords": "(du brauchst 12 oder 24)",
+  "restoreScanningMint": "Mint wird nach vorhandenen Token durchsucht...",
+  "restoreError": "Wiederherstellungsfehler: {error}",
+  "@restoreError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "homeTitle": "Start",
+  "receive": "Empfangen",
+  "send": "Senden",
+  "sendAction": "Senden ↗",
+  "receiveAction": "↘ Empfangen",
+  "deposit": "Einzahlen",
+  "withdraw": "Abheben",
+  "lightning": "Lightning",
+  "cashu": "Cashu",
+  "ecash": "Ecash",
+  "history": "Verlauf",
+  "noTransactions": "Noch keine Transaktionen",
+  "depositOrReceive": "Zahle ein oder empfange Sats zum Starten",
+  "noMint": "Kein Mint",
+
+  "balance": "Guthaben",
+  "sats": "sats",
+
+  "pasteEcashToken": "Ecash Token einfügen",
+  "generateInvoiceToDeposit": "Rechnung zum Einzahlen erstellen",
+  "createEcashToken": "Ecash Token erstellen",
+  "payLightningInvoice": "Lightning Rechnung bezahlen",
+
+  "receiveCashu": "Cashu empfangen",
+  "pasteTheCashuToken": "Füge den Cashu Token ein:",
+  "pasteFromClipboard": "Aus Zwischenablage einfügen",
+  "validToken": "Token gültig",
+  "invalidToken": "Ungültiger oder fehlerhafter Token",
+  "amount": "Betrag:",
+  "mint": "Mint:",
+  "claiming": "Einlösen...",
+  "claimTokens": "Tokens einlösen",
+  "tokensReceived": "Tokens empfangen",
+  "backToHome": "Zurück zur Startseite",
+  "tokenAlreadyClaimed": "Dieser Token wurde bereits eingelöst",
+  "unknownMint": "Token von unbekanntem Mint",
+  "claimError": "Einlösungsfehler: {error}",
+  "@claimError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "sendCashu": "Cashu senden",
+  "selectNotesManually": "Notizen manuell auswählen",
+  "amountToSend": "Zu sendender Betrag:",
+  "available": "Verfügbar:",
+  "max": "(Max)",
+  "memoOptional": "Memo (optional):",
+  "memoPlaceholder": "Wofür ist diese Zahlung?",
+  "creatingToken": "Token wird erstellt...",
+  "createToken": "Token erstellen",
+  "noActiveMint": "Kein aktiver Mint",
+  "offlineModeMessage": "Keine Verbindung. Offline-Modus...",
+  "confirmSend": "Senden bestätigen",
+  "confirm": "Bestätigen",
+  "cancel": "Abbrechen",
+  "insufficientBalance": "Unzureichendes Guthaben",
+  "tokenCreationError": "Fehler beim Erstellen des Tokens: {error}",
+  "@tokenCreationError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "tokenCreated": "Token erstellt",
+  "copy": "Kopieren",
+  "share": "Teilen",
+  "tokenCashu": "Cashu Token",
+  "tokenCashuAnimatedQr": "Cashu Token (animierter QR - {fragments} UR-Fragmente)",
+  "@tokenCashuAnimatedQr": {
+    "placeholders": {
+      "fragments": { "type": "int" }
+    }
+  },
+  "keepTokenWarning": "Bewahre diesen Token auf, bis der Empfänger ihn einlöst. Wenn du ihn verlierst, verlierst du die Mittel.",
+  "tokenCopiedToClipboard": "Token in Zwischenablage kopiert",
+  "copyAsEmoji": "Als Emoji kopieren",
+  "emojiCopiedToClipboard": "Token als Emoji kopiert 🥜",
+  "peanutDecodeError": "Emoji-Token konnte nicht dekodiert werden. Möglicherweise beschädigt.",
+
+  "nfcWrite": "Auf NFC-Tag schreiben",
+  "nfcRead": "NFC-Tag lesen",
+  "nfcHoldNear": "Gerät an NFC-Tag halten...",
+  "nfcWriteSuccess": "Token auf NFC-Tag geschrieben",
+  "nfcWriteError": "NFC-Schreibfehler: {error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "NFC-Lesefehler: {error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFC ist deaktiviert. Aktiviere es in den Einstellungen.",
+  "nfcUnsupported": "Dieses Gerät unterstützt kein NFC",
+
+  "amountToDeposit": "Einzuzahlender Betrag:",
+  "descriptionOptional": "Beschreibung (optional):",
+  "depositPlaceholder": "Wofür ist diese Einzahlung?",
+  "generating": "Generiere...",
+  "generateInvoice": "Rechnung erstellen",
+  "depositLightning": "Lightning einzahlen",
+
+  "payInvoiceTitle": "Rechnung bezahlen",
+  "generatingInvoice": "Rechnung wird erstellt...",
+  "waitingForPayment": "Warte auf Zahlung...",
+  "paymentReceived": "Zahlung empfangen",
+  "tokensIssued": "Tokens ausgegeben!",
+  "error": "Fehler",
+  "unknownError": "Unbekannter Fehler",
+  "back": "Zurück",
+  "copyInvoice": "Rechnung kopieren",
+  "description": "Beschreibung:",
+  "invoiceCopiedToClipboard": "Rechnung in Zwischenablage kopiert",
+  "deposited": "{amount} {unit} eingezahlt",
+  "@deposited": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "pasteLightningInvoice": "Füge die Lightning Rechnung ein:",
+  "gettingQuote": "Angebot wird geholt...",
+  "validInvoice": "Rechnung gültig",
+  "invalidInvoice": "Ungültige Rechnung",
+  "invalidInvoiceMalformed": "Ungültige oder fehlerhafte Rechnung",
+  "feeReserved": "Reservierte Gebühr:",
+  "total": "Gesamt:",
+  "paying": "Bezahle...",
+  "payInvoice": "Rechnung bezahlen",
+  "confirmPayment": "Zahlung bestätigen",
+  "pay": "Bezahlen",
+  "fee": "Gebühr",
+  "invoiceExpired": "Rechnung abgelaufen",
+  "amountOutOfRange": "Betrag außerhalb des erlaubten Bereichs",
+  "resolvingType": "Löse {type} auf...",
+  "@resolvingType": {
+    "placeholders": {
+      "type": { "type": "String" }
+    }
+  },
+  "invoiceAlreadyPaid": "Rechnung bereits bezahlt",
+  "paymentError": "Zahlungsfehler: {error}",
+  "@paymentError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "sent": "{amount} {unit} gesendet",
+  "@sent": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "filterAll": "Alle",
+  "filterPending": "Ausstehend",
+  "filterEcash": "Ecash",
+  "filterLightning": "Lightning",
+  "receiveTokensToStart": "Empfange Cashu Tokens zum Starten",
+  "noPendingTransactions": "Keine ausstehenden Transaktionen",
+  "allTransactionsCompleted": "Alle deine Transaktionen sind abgeschlossen",
+  "noEcashTransactions": "Keine Ecash Transaktionen",
+  "sendOrReceiveTokens": "Sende oder empfange Cashu Tokens",
+  "noLightningTransactions": "Keine Lightning Transaktionen",
+  "depositOrWithdrawLightning": "Zahle ein oder hebe ab via Lightning",
+  "pendingStatus": "Ausstehend",
+  "receivedStatus": "Empfangen",
+  "sentStatus": "Gesendet",
+  "now": "Jetzt",
+  "agoMinutes": "Vor {minutes} Min",
+  "@agoMinutes": {
+    "placeholders": {
+      "minutes": { "type": "int" }
+    }
+  },
+  "agoHours": "Vor {hours} Std",
+  "@agoHours": {
+    "placeholders": {
+      "hours": { "type": "int" }
+    }
+  },
+  "agoDays": "Vor {days} Tagen",
+  "@agoDays": {
+    "placeholders": {
+      "days": { "type": "int" }
+    }
+  },
+  "lightningInvoice": "Lightning Rechnung",
+  "receivedEcash": "Ecash empfangen",
+  "sentEcash": "Ecash gesendet",
+  "outgoingLightningPayment": "Ausgehende Lightning Zahlung",
+  "invoiceNotAvailable": "Rechnung nicht verfügbar",
+  "tokenNotAvailable": "Token nicht verfügbar",
+  "unit": "Einheit",
+  "status": "Status",
+  "pending": "Ausstehend",
+  "memo": "Memo",
+  "copyInvoiceButton": "RECHNUNG KOPIEREN",
+  "copyButton": "KOPIEREN",
+  "invoiceCopied": "Rechnung kopiert",
+  "tokenCopied": "Token kopiert",
+  "speed": "GESCHWINDIGKEIT:",
+
+  "settings": "Einstellungen",
+  "walletSection": "WALLET",
+  "backupSeedPhrase": "Seed-Phrase sichern",
+  "viewRecoveryWords": "Deine Wiederherstellungswörter anzeigen",
+  "connectedMints": "Verbundene Mints",
+  "manageCashuMints": "Verwalte deine Cashu Mints",
+  "pinAccess": "PIN-Zugang",
+  "pinEnabled": "Aktiviert",
+  "protectWithPin": "App mit PIN schützen",
+  "recoverTokens": "Tokens wiederherstellen",
+  "scanMintsWithSeed": "Mints mit Seed-Phrase scannen",
+  "appearanceSection": "SPRACHE",
+  "language": "Sprache",
+  "informationSection": "INFORMATION",
+  "version": "Version",
+  "about": "Über",
+  "deleteWallet": "Wallet löschen",
+  "spanish": "Español",
+  "english": "English",
+  "portuguese": "Português",
+  "french": "Français",
+  "russian": "Русский",
+  "german": "Deutsch",
+  "italian": "Italiano",
+  "korean": "한국어",
+  "chinese": "中文",
+  "japanese": "日本語",
+  "swahili": "Kiswahili",
+
+  "mnemonicNotFound": "Mnemonic nicht gefunden",
+  "createPin": "PIN erstellen",
+  "enterPinDigits": "Gib eine 4-stellige PIN ein",
+  "confirmPin": "PIN bestätigen",
+  "enterPinAgain": "PIN erneut eingeben",
+  "pinMismatch": "PINs stimmen nicht überein",
+  "pinActivated": "PIN aktiviert",
+  "pinDeactivated": "PIN deaktiviert",
+  "verifyPin": "PIN überprüfen",
+  "enterCurrentPin": "Gib deine aktuelle PIN ein",
+  "incorrectPin": "Falsche PIN",
+  "selectLanguage": "Sprache auswählen",
+  "languageChanged": "Sprache geändert zu {language}",
+  "@languageChanged": {
+    "placeholders": {
+      "language": { "type": "String" }
+    }
+  },
+  "close": "Schließen",
+  "aboutDescription": "Eine Cashu Wallet mit kubanischer DNA für die ganze Welt. Bruder von LaChispa.",
+  "couldNotOpenLink": "Link konnte nicht geöffnet werden",
+
+  "deleteWalletQuestion": "Wallet löschen?",
+  "actionIrreversible": "Diese Aktion ist unwiderruflich",
+  "deleteWalletWarning": "Alle Daten werden gelöscht, einschließlich deiner Seed-Phrase und Tokens. Stelle sicher, dass du ein Backup hast.",
+  "typeDeleteToConfirm": "Gib \"LÖSCHEN\" zur Bestätigung ein:",
+  "deleteConfirmWord": "LÖSCHEN",
+  "deleteError": "Löschfehler: {error}",
+  "@deleteError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "recoverTokensTitle": "Tokens wiederherstellen",
+  "recoverTokensDescription": "Mints scannen, um Tokens wiederherzustellen, die mit deiner Seed-Phrase verknüpft sind (NUT-13)",
+  "useCurrentSeedPhrase": "Meine aktuelle Seed-Phrase verwenden",
+  "scanWithSavedWords": "Mints mit den gespeicherten 12 Wörtern scannen",
+  "useOtherSeedPhrase": "Andere Seed-Phrase verwenden",
+  "recoverFromOtherWords": "Tokens von anderen 12 Wörtern wiederherstellen",
+  "mintsToScan": "Zu scannende Mints:",
+  "allMints": "Alle Mints ({count})",
+  "@allMints": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "specificMint": "Ein bestimmter Mint",
+  "enterMnemonicWords": "Gib die 12 Wörter durch Leerzeichen getrennt ein...",
+  "scanMints": "Mints scannen",
+  "selectMintToScan": "Wähle einen Mint zum Scannen",
+  "mnemonicMustHaveWords": "Mnemonic muss 12 oder 24 Wörter haben",
+  "noConnectedMintsToScan": "Keine verbundenen Mints zum Scannen",
+  "recoveredTokens": "{tokens} von {mints} Mint(s) wiederhergestellt!",
+  "@recoveredTokens": {
+    "placeholders": {
+      "tokens": { "type": "String" },
+      "mints": { "type": "int" }
+    }
+  },
+  "scanCompleteNoTokens": "Scan abgeschlossen. Keine neuen Tokens gefunden.",
+  "mintsWithError": "({count} Mint(s) mit Fehler)",
+  "@mintsWithError": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "recoveredFromMint": "{tokens} von {mint} wiederhergestellt!",
+  "@recoveredFromMint": {
+    "placeholders": {
+      "tokens": { "type": "String" },
+      "mint": { "type": "String" }
+    }
+  },
+  "noTokensFoundInMint": "Keine Tokens in {mint} gefunden.",
+  "@noTokensFoundInMint": {
+    "placeholders": {
+      "mint": { "type": "String" }
+    }
+  },
+  "recoveredAndTransferred": "{amount} {unit} wiederhergestellt und in deine Wallet übertragen!",
+  "@recoveredAndTransferred": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+  "noTokensForMnemonic": "Keine Tokens mit diesem Mnemonic verknüpft gefunden.",
+
+  "noConnectedMints": "Keine verbundenen Mints",
+  "addMintToStart": "Füge einen Mint hinzu, um zu starten",
+  "addMint": "Mint hinzufügen",
+  "mintDeleted": "Mint gelöscht",
+  "activeMintUpdated": "Aktiver Mint aktualisiert",
+  "mintUrl": "Mint URL:",
+  "mintUrlPlaceholder": "https://mint.example.com",
+  "urlMustStartWithHttps": "URL muss mit https:// beginnen",
+  "connectingToMint": "Verbinde mit Mint...",
+  "mintAddedSuccessfully": "Mint erfolgreich hinzugefügt",
+  "couldNotConnectToMint": "Verbindung zum Mint fehlgeschlagen",
+  "add": "Hinzufügen",
+
+  "success": "Erfolg",
+  "loading": "Laden...",
+  "retry": "Erneut versuchen",
+
+  "activeMint": "Aktiver Mint",
+  "mintMessage": "Mint Nachricht",
+  "url": "URL",
+  "currency": "Währung",
+  "unknown": "Unbekannt",
+  "useThisMint": "Diesen Mint verwenden",
+  "copyMintUrl": "Mint URL kopieren",
+  "deleteMint": "Mint löschen",
+  "copied": "{label} kopiert",
+  "@copied": {
+    "placeholders": {
+      "label": { "type": "String" }
+    }
+  },
+  "deleteMintConfirmTitle": "Mint löschen",
+  "deleteMintConfirmMessage": "Wenn du Guthaben auf diesem Mint hast, geht es verloren. Bist du sicher?",
+  "delete": "Löschen",
+
+  "offlineSend": "Offline senden",
+  "selectAll": "Alle",
+  "deselectAll": "Keine",
+  "selectNotesToSend": "Wähle die zu sendenden Notizen:",
+  "totalToSend": "Gesamt zu senden",
+  "notesSelected": "{count} Notizen ausgewählt",
+  "@notesSelected": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "loadingProofsError": "Fehler beim Laden der Beweise: {error}",
+  "@loadingProofsError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "creatingTokenError": "Fehler beim Erstellen des Tokens: {error}",
+  "@creatingTokenError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "unknownState": "Unbekannter Zustand",
+  "depositAmountTitle": "{amount} {unit} einzahlen",
+  "@depositAmountTitle": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "receiveNow": "Jetzt empfangen",
+  "receiveLater": "Später empfangen",
+  "tokenSavedForLater": "Token zum späteren Einlösen gespeichert",
+  "noConnectionTokenSaved": "Keine Verbindung. Token zum späteren Einlösen gespeichert.",
+  "unknownMintOffline": "Dieser Token stammt von einem unbekannten Mint. Verbinde dich mit dem Internet, um ihn hinzuzufügen und den Token einzulösen.",
+  "noConnectionTryLater": "Keine Verbindung zum Mint. Versuche es später erneut.",
+  "saveTokenError": "Fehler beim Speichern des Tokens. Bitte erneut versuchen.",
+  "pendingTokenLimitReached": "Limit für ausstehende Tokens erreicht (max 50)",
+  "filterToReceive": "Zu empfangen",
+  "noPendingTokens": "Keine ausstehenden Tokens",
+  "noPendingTokensHint": "Speichere Tokens zum späteren Einlösen",
+  "pendingBadge": "AUSSTEHEND",
+  "expiresInDays": "{days, plural, =1{Läuft in 1 Tag ab} other{Läuft in {days} Tagen ab}}",
+  "@expiresInDays": {
+    "placeholders": {
+      "days": { "type": "int" }
+    }
+  },
+  "retryCount": "{count} Versuche",
+  "@retryCount": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "claimNow": "Jetzt einlösen",
+  "pendingTokenClaimedSuccess": "{amount} {unit} eingelöst",
+  "@pendingTokenClaimedSuccess": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+  "pendingTokensClaimed": "{count, plural, =1{1 Token eingelöst ({amount} {unit})} other{{count} Tokens eingelöst ({amount} {unit})}}",
+  "@pendingTokensClaimed": {
+    "placeholders": {
+      "count": { "type": "int" },
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "scan": "Scannen",
+  "scanQrCode": "QR scannen",
+  "scanCashuToken": "Cashu Token scannen",
+  "scanLightningInvoice": "Rechnung scannen",
+  "scanningAnimatedQr": "Animierten QR scannen...",
+  "pointCameraAtQr": "Richte die Kamera auf den QR-Code",
+  "pointCameraAtCashuQr": "Richte die Kamera auf den Cashu Token QR",
+  "pointCameraAtInvoiceQr": "Richte die Kamera auf den Rechnungs-QR",
+  "unrecognizedQrCode": "Nicht erkannter QR-Code",
+  "scanCashuTokenHint": "Scanne einen Cashu Token (cashuA... oder cashuB...)",
+  "scanLightningInvoiceHint": "Scanne eine Lightning Rechnung (lnbc...)",
+  "addMintQuestion": "Diesen Mint hinzufügen?",
+  "cameraPermissionDenied": "Kamera-Berechtigung verweigert",
+  "paymentRequestTitle": "Zahlungsanfrage",
+  "paymentRequestFrom": "Anfrage von",
+  "paymentRequestAmount": "Angeforderter Betrag",
+  "paymentRequestDescription": "Beschreibung",
+  "paymentRequestMints": "Akzeptierte Mints",
+  "paymentRequestAnyMint": "Jeder Mint",
+  "paymentRequestPay": "Bezahlen",
+  "paymentRequestPaying": "Bezahle...",
+  "paymentRequestSuccess": "Zahlung erfolgreich gesendet",
+  "paymentRequestNoTransport": "Diese Anfrage hat keine konfigurierte Zustellmethode",
+  "paymentRequestTransport": "Transport",
+  "paymentRequestMintNotAccepted": "Dein aktiver Mint ist nicht in der Liste der akzeptierten Mints",
+  "paymentRequestUnitMismatch": "Inkompatible Einheit: Anfrage erfordert {unit}",
+  "paymentRequestInsufficientBalance": "Unzureichendes Guthaben",
+  "paymentRequestErrorParsing": "Fehler beim Lesen der Zahlungsanfrage",
+
+  "p2pkTitle": "P2PK-Schlüssel",
+  "p2pkSettingsDescription": "Gesperrtes ecash empfangen",
+  "p2pkExperimental": "P2PK ist experimentell. Mit Vorsicht verwenden.",
+  "p2pkPendingSendWarning": "Du hast einen ausstehenden P2PK-Versand. Gehe zum Verlauf und aktualisiere, nachdem der Empfänger den Token eingelöst hat.",
+  "p2pkExperimentalShort": "Experimentell",
+  "p2pkPrimaryKey": "Primärschlüssel",
+  "p2pkDerived": "Abgeleitet",
+  "p2pkImported": "Importiert",
+  "p2pkImportedKeys": "Importierte Schlüssel",
+  "p2pkNoImportedKeys": "Keine importierten Schlüssel",
+  "p2pkShowQR": "QR zeigen",
+  "p2pkCopy": "Kopieren",
+  "p2pkImportNsec": "nsec importieren",
+  "p2pkImport": "Importieren",
+  "p2pkEnterLabel": "Name für diesen Schlüssel",
+  "p2pkLockToKey": "Senden mit P2PK-Signatur",
+  "p2pkLockDescription": "Nur der Empfänger kann einlösen",
+  "p2pkReceiverPubkey": "npub1... oder hex (64/66 Zeichen)",
+  "p2pkInvalidPubkey": "Ungültiger öffentlicher Schlüssel",
+  "p2pkInvalidPrivateKey": "Ungültiger privater Schlüssel",
+  "p2pkLockedToYou": "Für dich gesperrt",
+  "p2pkLockedToOther": "Für anderen Schlüssel gesperrt",
+  "p2pkCannotUnlock": "Du hast nicht den Schlüssel, um diesen Token zu entsperren",
+  "p2pkEnterPrivateKey": "Privaten Schlüssel eingeben (nsec)",
+  "p2pkDeleteTitle": "Schlüssel löschen",
+  "p2pkDeleteConfirm": "Diesen Schlüssel löschen? Du kannst keine Token mehr empfangen, die daran gesperrt sind.",
+  "p2pkRequiresConnection": "P2PK erfordert Verbindung zum Mint",
+  "p2pkErrorMaxKeysReached": "Maximale Anzahl importierter Schlüssel erreicht (10)",
+  "p2pkErrorInvalidNsec": "Ungültiger nsec",
+  "p2pkErrorKeyAlreadyExists": "Dieser Schlüssel existiert bereits",
+  "p2pkErrorKeyNotFound": "Schlüssel nicht gefunden",
+  "p2pkErrorCannotDeletePrimary": "Primärschlüssel kann nicht gelöscht werden",
+
+  "request": "Anfordern",
+  "requestPayment": "Zahlung anfordern",
+  "requestPaymentDescription": "Einheitliche Zahlungsanforderung erstellen",
+  "generateRequest": "Anforderung erstellen",
+  "generatingRequest": "Anforderung wird erstellt...",
+  "requestPaymentReceived": "Zahlung erhalten",
+  "requestDescriptionHint": "Beschreibung (optional)",
+  "universal": "Universal",
+  "copiedToClipboard": "In die Zwischenablage kopiert"
+}

lib/l10n/app_en.arb

@@ -47,6 +47,7 @@
   "seedPlaceholder": "word1 word2 word3 ...",
   "wordCount": "{count} words",
   "needWords": "(you need 12 or 24)",
+  "restoreScanningMint": "Scanning mint for existing tokens...",
   "restoreError": "Restore error: {error}",
 
   "homeTitle": "Home",
@@ -111,6 +112,28 @@
   "tokenCashuAnimatedQr": "Cashu Token (animated QR - {fragments} UR fragments)",
   "keepTokenWarning": "Keep this token until the recipient claims it. If you lose it, you will lose the funds.",
   "tokenCopiedToClipboard": "Token copied to clipboard",
+  "copyAsEmoji": "Copy as emoji",
+  "emojiCopiedToClipboard": "Token copied as emoji 🥜",
+  "peanutDecodeError": "Could not decode emoji token. It may be corrupted.",
+
+  "nfcWrite": "Write to NFC tag",
+  "nfcRead": "Read NFC tag",
+  "nfcHoldNear": "Hold device near NFC tag...",
+  "nfcWriteSuccess": "Token written to NFC tag",
+  "nfcWriteError": "NFC write error: {error}",
+  "@nfcWriteError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "nfcReadError": "NFC read error: {error}",
+  "@nfcReadError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "nfcDisabled": "NFC is disabled. Enable it in Settings.",
+  "nfcUnsupported": "This device does not support NFC",
 
   "amountToDeposit": "Amount to deposit:",
   "descriptionOptional": "Description (optional):",
@@ -212,6 +235,12 @@
   "portuguese": "Português",
   "french": "Français",
   "russian": "Русский",
+  "german": "Deutsch",
+  "italian": "Italiano",
+  "korean": "한국어",
+  "chinese": "中文",
+  "japanese": "日本語",
+  "swahili": "Kiswahili",
 
   "mnemonicNotFound": "Mnemonic not found",
   "createPin": "Create PIN",
@@ -227,7 +256,7 @@
   "selectLanguage": "Select language",
   "languageChanged": "Language changed to {language}",
   "close": "Close",
-  "aboutDescription": "A Cashu wallet with Cuban DNA for the entire world. Brother of La Chispa.",
+  "aboutDescription": "A Cashu wallet with Cuban DNA for the entire world. Brother of LaChispa.",
   "couldNotOpenLink": "Could not open link",
 
   "deleteWalletQuestion": "Delete wallet?",
@@ -290,6 +319,8 @@
   "delete": "Delete",
 
   "offlineSend": "Offline Send",
+  "selectAll": "All",
+  "deselectAll": "None",
   "selectNotesToSend": "Select the notes you want to send:",
   "totalToSend": "Total to send",
   "notesSelected": "{count} notes selected",
@@ -359,5 +390,67 @@
   "scanLightningInvoiceHint": "Scan a Lightning invoice (lnbc...)",
   "addMintQuestion": "Add this mint?",
   "cameraPermissionDenied": "Camera permission denied",
-  "paymentRequestNotSupported": "Payment requests are not yet supported"
+  "paymentRequestTitle": "Payment Request",
+  "paymentRequestFrom": "Request from",
+  "paymentRequestAmount": "Requested amount",
+  "paymentRequestDescription": "Description",
+  "paymentRequestMints": "Accepted mints",
+  "paymentRequestAnyMint": "Any mint",
+  "paymentRequestPay": "Pay",
+  "paymentRequestPaying": "Paying...",
+  "paymentRequestSuccess": "Payment sent successfully",
+  "paymentRequestNoTransport": "This request has no delivery method configured",
+  "paymentRequestTransport": "Transport",
+  "paymentRequestMintNotAccepted": "Your active mint is not in the list of accepted mints",
+  "paymentRequestUnitMismatch": "Incompatible unit: request requires {unit}",
+  "@paymentRequestUnitMismatch": {
+    "placeholders": {
+      "unit": { "type": "String" }
+    }
+  },
+  "paymentRequestInsufficientBalance": "Insufficient balance",
+  "paymentRequestErrorParsing": "Error reading payment request",
+
+  "p2pkTitle": "P2PK Keys",
+  "p2pkSettingsDescription": "Receive locked ecash",
+  "p2pkExperimental": "P2PK is experimental. Use with caution.",
+  "p2pkPendingSendWarning": "You have a pending P2PK send. Go to history and refresh after the recipient claims the token.",
+  "p2pkExperimentalShort": "Experimental",
+  "p2pkPrimaryKey": "Primary Key",
+  "p2pkDerived": "Derived",
+  "p2pkImported": "Imported",
+  "p2pkImportedKeys": "Imported Keys",
+  "p2pkNoImportedKeys": "No imported keys",
+  "p2pkShowQR": "Show QR",
+  "p2pkCopy": "Copy",
+  "p2pkImportNsec": "Import nsec",
+  "p2pkImport": "Import",
+  "p2pkEnterLabel": "Name for this key",
+  "p2pkLockToKey": "Send with P2PK signature",
+  "p2pkLockDescription": "Only the recipient can claim",
+  "p2pkReceiverPubkey": "npub1... or hex (64/66 chars)",
+  "p2pkInvalidPubkey": "Invalid public key",
+  "p2pkInvalidPrivateKey": "Invalid private key",
+  "p2pkLockedToYou": "Locked to you",
+  "p2pkLockedToOther": "Locked to another key",
+  "p2pkCannotUnlock": "You don't have the key to unlock this token",
+  "p2pkEnterPrivateKey": "Enter private key (nsec)",
+  "p2pkDeleteTitle": "Delete key",
+  "p2pkDeleteConfirm": "Delete this key? You won't be able to receive tokens locked to it.",
+  "p2pkRequiresConnection": "P2PK requires connection to the mint",
+  "p2pkErrorMaxKeysReached": "Maximum imported keys reached (10)",
+  "p2pkErrorInvalidNsec": "Invalid nsec",
+  "p2pkErrorKeyAlreadyExists": "This key already exists",
+  "p2pkErrorKeyNotFound": "Key not found",
+  "p2pkErrorCannotDeletePrimary": "Cannot delete primary key",
+
+  "request": "Request",
+  "requestPayment": "Request Payment",
+  "requestPaymentDescription": "Generate unified payment request",
+  "generateRequest": "Generate Request",
+  "generatingRequest": "Generating request...",
+  "requestPaymentReceived": "Payment received",
+  "requestDescriptionHint": "Description (optional)",
+  "universal": "Universal",
+  "copiedToClipboard": "Copied to clipboard"
 }

lib/l10n/app_es.arb

@@ -52,6 +52,7 @@
     }
   },
   "needWords": "(necesitas 12 o 24)",
+  "restoreScanningMint": "Escaneando mint en busca de tokens...",
   "restoreError": "Error al restaurar: {error}",
   "@restoreError": {
     "placeholders": {
@@ -136,6 +137,28 @@
   },
   "keepTokenWarning": "Guarda este token hasta que el receptor lo reclame. Si lo pierdes, perderás los fondos.",
   "tokenCopiedToClipboard": "Token copiado al portapapeles",
+  "copyAsEmoji": "Copiar como emoji",
+  "emojiCopiedToClipboard": "Token copiado como emoji 🥜",
+  "peanutDecodeError": "No se pudo decodificar el token emoji. Puede estar corrupto.",
+
+  "nfcWrite": "Escribir en tag NFC",
+  "nfcRead": "Leer tag NFC",
+  "nfcHoldNear": "Acerca el dispositivo al tag NFC...",
+  "nfcWriteSuccess": "Token escrito en tag NFC",
+  "nfcWriteError": "Error NFC al escribir: {error}",
+  "@nfcWriteError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "nfcReadError": "Error NFC al leer: {error}",
+  "@nfcReadError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "nfcDisabled": "NFC está desactivado. Actívalo en Ajustes.",
+  "nfcUnsupported": "Este dispositivo no soporta NFC",
 
   "amountToDeposit": "Monto a depositar:",
   "descriptionOptional": "Descripción (opcional):",
@@ -269,6 +292,12 @@
   "portuguese": "Português",
   "french": "Français",
   "russian": "Русский",
+  "german": "Deutsch",
+  "italian": "Italiano",
+  "korean": "한국어",
+  "chinese": "中文",
+  "japanese": "日本語",
+  "swahili": "Kiswahili",
 
   "mnemonicNotFound": "No se encontró el mnemonic",
   "createPin": "Crear PIN",
@@ -289,7 +318,7 @@
     }
   },
   "close": "Cerrar",
-  "aboutDescription": "Un wallet de Cashu con ADN cubano para el mundo entero. Hermano de La Chispa.",
+  "aboutDescription": "Un wallet de Cashu con ADN cubano para el mundo entero. Hermano de LaChispa.",
   "couldNotOpenLink": "No se pudo abrir el enlace",
 
   "deleteWalletQuestion": "¿Borrar wallet?",
@@ -395,6 +424,8 @@
   "delete": "Eliminar",
 
   "offlineSend": "Envío Offline",
+  "selectAll": "Todo",
+  "deselectAll": "Ninguno",
   "selectNotesToSend": "Selecciona las notas que deseas enviar:",
   "totalToSend": "Total a enviar",
   "notesSelected": "{count} notas seleccionadas",
@@ -479,5 +510,67 @@
   "scanLightningInvoiceHint": "Escanea un invoice Lightning (lnbc...)",
   "addMintQuestion": "¿Agregar este mint?",
   "cameraPermissionDenied": "Permiso de cámara denegado",
-  "paymentRequestNotSupported": "Los payment requests aún no están soportados"
+  "paymentRequestTitle": "Solicitud de pago",
+  "paymentRequestFrom": "Solicitud de",
+  "paymentRequestAmount": "Monto solicitado",
+  "paymentRequestDescription": "Descripción",
+  "paymentRequestMints": "Mints aceptados",
+  "paymentRequestAnyMint": "Cualquier mint",
+  "paymentRequestPay": "Pagar",
+  "paymentRequestPaying": "Pagando...",
+  "paymentRequestSuccess": "Pago enviado correctamente",
+  "paymentRequestNoTransport": "Esta solicitud no tiene método de entrega configurado",
+  "paymentRequestTransport": "Transporte",
+  "paymentRequestMintNotAccepted": "Tu mint activo no está en la lista de mints aceptados",
+  "paymentRequestUnitMismatch": "Unidad incompatible: la solicitud requiere {unit}",
+  "@paymentRequestUnitMismatch": {
+    "placeholders": {
+      "unit": { "type": "String" }
+    }
+  },
+  "paymentRequestInsufficientBalance": "Balance insuficiente",
+  "paymentRequestErrorParsing": "Error al leer la solicitud de pago",
+
+  "p2pkTitle": "Claves P2PK",
+  "p2pkSettingsDescription": "Recibir ecash bloqueado",
+  "p2pkExperimental": "P2PK es experimental. Úsala con precaución.",
+  "p2pkPendingSendWarning": "Tienes un envío P2PK pendiente. Ve al historial y presiona actualizar después de que el destinatario reclame el token.",
+  "p2pkExperimentalShort": "Experimental",
+  "p2pkPrimaryKey": "Clave Principal",
+  "p2pkDerived": "Derivada",
+  "p2pkImported": "Importada",
+  "p2pkImportedKeys": "Claves Importadas",
+  "p2pkNoImportedKeys": "No hay claves importadas",
+  "p2pkShowQR": "Mostrar QR",
+  "p2pkCopy": "Copiar",
+  "p2pkImportNsec": "Importar nsec",
+  "p2pkImport": "Importar",
+  "p2pkEnterLabel": "Nombre para esta clave",
+  "p2pkLockToKey": "Envío con firma P2PK",
+  "p2pkLockDescription": "Solo el destinatario podrá reclamar",
+  "p2pkReceiverPubkey": "npub1... o hex (64/66 caracteres)",
+  "p2pkInvalidPubkey": "Clave pública inválida",
+  "p2pkInvalidPrivateKey": "Clave privada inválida",
+  "p2pkLockedToYou": "Bloqueado para ti",
+  "p2pkLockedToOther": "Bloqueado para otra clave",
+  "p2pkCannotUnlock": "No tienes la clave para desbloquear este token",
+  "p2pkEnterPrivateKey": "Ingresa la clave privada (nsec)",
+  "p2pkDeleteTitle": "Eliminar clave",
+  "p2pkDeleteConfirm": "¿Eliminar esta clave? No podrás recibir tokens bloqueados a ella.",
+  "p2pkRequiresConnection": "P2PK requiere conexión al mint",
+  "p2pkErrorMaxKeysReached": "Máximo de claves importadas alcanzado (10)",
+  "p2pkErrorInvalidNsec": "nsec inválido",
+  "p2pkErrorKeyAlreadyExists": "Esta clave ya existe",
+  "p2pkErrorKeyNotFound": "Clave no encontrada",
+  "p2pkErrorCannotDeletePrimary": "No se puede eliminar la clave principal",
+
+  "request": "Solicitar",
+  "requestPayment": "Solicitar pago",
+  "requestPaymentDescription": "Generar solicitud de pago unificada",
+  "generateRequest": "Generar solicitud",
+  "generatingRequest": "Generando solicitud...",
+  "requestPaymentReceived": "Pago recibido",
+  "requestDescriptionHint": "Descripción (opcional)",
+  "universal": "Universal",
+  "copiedToClipboard": "Copiado al portapapeles"
 }

lib/l10n/app_fr.arb

@@ -52,6 +52,7 @@
     }
   },
   "needWords": "(vous avez besoin de 12 ou 24)",
+  "restoreScanningMint": "Recherche de tokens sur le mint...",
   "restoreError": "Erreur de restauration : {error}",
   "@restoreError": {
     "placeholders": {
@@ -136,6 +137,20 @@
   },
   "keepTokenWarning": "Conservez ce token jusqu'à ce que le destinataire le réclame. Si vous le perdez, vous perdrez les fonds.",
   "tokenCopiedToClipboard": "Token copié dans le presse-papiers",
+  "copyAsEmoji": "Copier en emoji",
+  "emojiCopiedToClipboard": "Token copié en emoji 🥜",
+  "peanutDecodeError": "Impossible de décoder le token emoji. Il est peut-être corrompu.",
+
+  "nfcWrite": "Écrire sur tag NFC",
+  "nfcRead": "Lire tag NFC",
+  "nfcHoldNear": "Approchez l'appareil du tag NFC...",
+  "nfcWriteSuccess": "Token écrit sur le tag NFC",
+  "nfcWriteError": "Erreur NFC écriture : {error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "Erreur NFC lecture : {error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFC est désactivé. Activez-le dans les Paramètres.",
+  "nfcUnsupported": "Cet appareil ne prend pas en charge le NFC",
 
   "amountToDeposit": "Montant à déposer :",
   "descriptionOptional": "Description (optionnelle) :",
@@ -269,6 +284,12 @@
   "portuguese": "Português",
   "french": "Français",
   "russian": "Русский",
+  "german": "Deutsch",
+  "italian": "Italiano",
+  "korean": "한국어",
+  "chinese": "中文",
+  "japanese": "日本語",
+  "swahili": "Kiswahili",
 
   "mnemonicNotFound": "Mnémonique non trouvé",
   "createPin": "Créer un PIN",
@@ -289,7 +310,7 @@
     }
   },
   "close": "Fermer",
-  "aboutDescription": "Un portefeuille Cashu avec ADN cubain pour le monde entier. Frère de La Chispa.",
+  "aboutDescription": "Un portefeuille Cashu avec ADN cubain pour le monde entier. Frère de LaChispa.",
   "couldNotOpenLink": "Impossible d'ouvrir le lien",
 
   "deleteWalletQuestion": "Supprimer le portefeuille ?",
@@ -395,6 +416,8 @@
   "delete": "Supprimer",
 
   "offlineSend": "Envoi hors ligne",
+  "selectAll": "Tout",
+  "deselectAll": "Aucun",
   "selectNotesToSend": "Sélectionnez les notes à envoyer :",
   "totalToSend": "Total à envoyer",
   "notesSelected": "{count} notes sélectionnées",
@@ -479,5 +502,62 @@
   "scanLightningInvoiceHint": "Scannez une facture Lightning (lnbc...)",
   "addMintQuestion": "Ajouter ce mint ?",
   "cameraPermissionDenied": "Permission de la caméra refusée",
-  "paymentRequestNotSupported": "Les demandes de paiement ne sont pas encore prises en charge"
+  "paymentRequestTitle": "Demande de paiement",
+  "paymentRequestFrom": "Demande de",
+  "paymentRequestAmount": "Montant demandé",
+  "paymentRequestDescription": "Description",
+  "paymentRequestMints": "Mints acceptés",
+  "paymentRequestAnyMint": "N'importe quel mint",
+  "paymentRequestPay": "Payer",
+  "paymentRequestPaying": "Paiement en cours...",
+  "paymentRequestSuccess": "Paiement envoyé avec succès",
+  "paymentRequestNoTransport": "Cette demande n'a pas de méthode de livraison configurée",
+  "paymentRequestTransport": "Transport",
+  "paymentRequestMintNotAccepted": "Votre mint actif n'est pas dans la liste des mints acceptés",
+  "paymentRequestUnitMismatch": "Unité incompatible : la demande nécessite {unit}",
+  "paymentRequestInsufficientBalance": "Solde insuffisant",
+  "paymentRequestErrorParsing": "Erreur lors de la lecture de la demande de paiement",
+
+  "p2pkTitle": "Clés P2PK",
+  "p2pkSettingsDescription": "Recevoir ecash verrouillé",
+  "p2pkExperimental": "P2PK est expérimental. Utiliser avec prudence.",
+  "p2pkPendingSendWarning": "Vous avez un envoi P2PK en attente. Allez dans l'historique et actualisez après que le destinataire a réclamé le jeton.",
+  "p2pkExperimentalShort": "Expérimental",
+  "p2pkPrimaryKey": "Clé Principale",
+  "p2pkDerived": "Dérivée",
+  "p2pkImported": "Importée",
+  "p2pkImportedKeys": "Clés Importées",
+  "p2pkNoImportedKeys": "Aucune clé importée",
+  "p2pkShowQR": "Afficher QR",
+  "p2pkCopy": "Copier",
+  "p2pkImportNsec": "Importer nsec",
+  "p2pkImport": "Importer",
+  "p2pkEnterLabel": "Nom pour cette clé",
+  "p2pkLockToKey": "Envoi avec signature P2PK",
+  "p2pkLockDescription": "Seul le destinataire peut réclamer",
+  "p2pkReceiverPubkey": "npub1... ou hex (64/66 caractères)",
+  "p2pkInvalidPubkey": "Clé publique invalide",
+  "p2pkInvalidPrivateKey": "Clé privée invalide",
+  "p2pkLockedToYou": "Verrouillé pour vous",
+  "p2pkLockedToOther": "Verrouillé pour une autre clé",
+  "p2pkCannotUnlock": "Vous n'avez pas la clé pour déverrouiller ce token",
+  "p2pkEnterPrivateKey": "Entrer la clé privée (nsec)",
+  "p2pkDeleteTitle": "Supprimer la clé",
+  "p2pkDeleteConfirm": "Supprimer cette clé ? Vous ne pourrez plus recevoir de tokens verrouillés dessus.",
+  "p2pkRequiresConnection": "P2PK nécessite une connexion au mint",
+  "p2pkErrorMaxKeysReached": "Nombre maximum de clés importées atteint (10)",
+  "p2pkErrorInvalidNsec": "nsec invalide",
+  "p2pkErrorKeyAlreadyExists": "Cette clé existe déjà",
+  "p2pkErrorKeyNotFound": "Clé non trouvée",
+  "p2pkErrorCannotDeletePrimary": "Impossible de supprimer la clé principale",
+
+  "request": "Demander",
+  "requestPayment": "Demander un paiement",
+  "requestPaymentDescription": "Générer une demande de paiement unifiée",
+  "generateRequest": "Générer la demande",
+  "generatingRequest": "Génération en cours...",
+  "requestPaymentReceived": "Paiement reçu",
+  "requestDescriptionHint": "Description (facultatif)",
+  "universal": "Universel",
+  "copiedToClipboard": "Copié dans le presse-papiers"
 }

lib/l10n/app_it.arb

@@ -0,0 +1,563 @@
+{
+  "@@locale": "it",
+
+  "appName": "ElCaju",
+  "appTagline": "Il tuo portafoglio ecash privato",
+  "loadingMessage1": "Crittografia delle tue monete...",
+  "loadingMessage2": "Preparazione dei tuoi e-token...",
+  "loadingMessage3": "Connessione al Mint...",
+  "loadingMessage4": "Privacy di default.",
+  "loadingMessage5": "Firma cieca dei token...",
+  "loadingMessage6": "Go full Calle...",
+  "loadingMessage7": "Cashu + Bitchat = Privacy + Libertà",
+  "aboutTagline": "Privacy senza confini.",
+
+  "welcomeTitle": "Benvenuto su ElCaju",
+  "welcomeSubtitle": "Cashu per il mondo. Fatto a Cuba.",
+
+  "createWallet": "Crea nuovo portafoglio",
+  "restoreWallet": "Ripristina portafoglio",
+
+  "createWalletTitle": "Crea portafoglio",
+  "creatingWallet": "Creazione del tuo portafoglio...",
+  "generatingSeed": "Generazione sicura della tua frase seed",
+  "createWalletDescription": "Verrà generata una frase seed di 12 parole.\nConservala in un luogo sicuro.",
+  "generateWallet": "Genera portafoglio",
+
+  "walletCreated": "Portafoglio creato!",
+  "walletCreatedDescription": "Il tuo portafoglio è pronto. Ti consigliamo di fare il backup della frase seed ora.",
+  "backupWarning": "Senza backup, perderai l'accesso ai tuoi fondi se perdi il dispositivo.",
+  "backupNow": "Backup adesso",
+  "backupLater": "Fallo dopo",
+
+  "backupTitle": "Backup",
+  "seedPhraseTitle": "La tua frase seed",
+  "seedPhraseDescription": "Conserva queste 12 parole in ordine. Sono l'unico modo per recuperare il tuo portafoglio.",
+  "revealSeedPhrase": "Mostra frase seed",
+  "tapToReveal": "Tocca il pulsante per mostrare\nla tua frase seed",
+  "copyToClipboard": "Copia negli appunti",
+  "seedCopied": "Frase copiata negli appunti",
+  "neverShareSeed": "Non condividere mai la tua frase seed con nessuno.",
+  "confirmBackup": "Ho salvato la mia frase seed in un luogo sicuro",
+  "continue_": "Continua",
+
+  "restoreTitle": "Ripristina portafoglio",
+  "enterSeedPhrase": "Inserisci la tua frase seed",
+  "enterSeedDescription": "Scrivi le 12 o 24 parole separate da spazi.",
+  "seedPlaceholder": "parola1 parola2 parola3 ...",
+  "wordCount": "{count} parole",
+  "@wordCount": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "needWords": "(servono 12 o 24)",
+  "restoreScanningMint": "Scansione del mint per token esistenti...",
+  "restoreError": "Errore di ripristino: {error}",
+  "@restoreError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "homeTitle": "Home",
+  "receive": "Ricevi",
+  "send": "Invia",
+  "sendAction": "Invia ↗",
+  "receiveAction": "↘ Ricevi",
+  "deposit": "Deposita",
+  "withdraw": "Preleva",
+  "lightning": "Lightning",
+  "cashu": "Cashu",
+  "ecash": "Ecash",
+  "history": "Cronologia",
+  "noTransactions": "Nessuna transazione",
+  "depositOrReceive": "Deposita o ricevi sats per iniziare",
+  "noMint": "Nessun mint",
+
+  "balance": "Saldo",
+  "sats": "sats",
+
+  "pasteEcashToken": "Incolla token ecash",
+  "generateInvoiceToDeposit": "Genera fattura per depositare",
+  "createEcashToken": "Crea token ecash",
+  "payLightningInvoice": "Paga fattura Lightning",
+
+  "receiveCashu": "Ricevi Cashu",
+  "pasteTheCashuToken": "Incolla il token Cashu:",
+  "pasteFromClipboard": "Incolla dagli appunti",
+  "validToken": "Token valido",
+  "invalidToken": "Token non valido o malformato",
+  "amount": "Importo:",
+  "mint": "Mint:",
+  "claiming": "Riscatto...",
+  "claimTokens": "Riscatta token",
+  "tokensReceived": "Token ricevuti",
+  "backToHome": "Torna alla home",
+  "tokenAlreadyClaimed": "Questo token è già stato riscattato",
+  "unknownMint": "Token da mint sconosciuto",
+  "claimError": "Errore di riscatto: {error}",
+  "@claimError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "sendCashu": "Invia Cashu",
+  "selectNotesManually": "Seleziona note manualmente",
+  "amountToSend": "Importo da inviare:",
+  "available": "Disponibile:",
+  "max": "(Max)",
+  "memoOptional": "Memo (opzionale):",
+  "memoPlaceholder": "A cosa serve questo pagamento?",
+  "creatingToken": "Creazione token...",
+  "createToken": "Crea token",
+  "noActiveMint": "Nessun mint attivo",
+  "offlineModeMessage": "Nessuna connessione. Modalità offline...",
+  "confirmSend": "Conferma invio",
+  "confirm": "Conferma",
+  "cancel": "Annulla",
+  "insufficientBalance": "Saldo insufficiente",
+  "tokenCreationError": "Errore creazione token: {error}",
+  "@tokenCreationError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "tokenCreated": "Token creato",
+  "copy": "Copia",
+  "share": "Condividi",
+  "tokenCashu": "Token Cashu",
+  "tokenCashuAnimatedQr": "Token Cashu (QR animato - {fragments} frammenti UR)",
+  "@tokenCashuAnimatedQr": {
+    "placeholders": {
+      "fragments": { "type": "int" }
+    }
+  },
+  "keepTokenWarning": "Conserva questo token finché il destinatario non lo riscatta. Se lo perdi, perderai i fondi.",
+  "tokenCopiedToClipboard": "Token copiato negli appunti",
+  "copyAsEmoji": "Copia come emoji",
+  "emojiCopiedToClipboard": "Token copiato come emoji 🥜",
+  "peanutDecodeError": "Impossibile decodificare il token emoji. Potrebbe essere corrotto.",
+
+  "nfcWrite": "Scrivi su tag NFC",
+  "nfcRead": "Leggi tag NFC",
+  "nfcHoldNear": "Avvicina il dispositivo al tag NFC...",
+  "nfcWriteSuccess": "Token scritto sul tag NFC",
+  "nfcWriteError": "Errore NFC scrittura: {error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "Errore NFC lettura: {error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFC è disattivato. Attivalo nelle Impostazioni.",
+  "nfcUnsupported": "Questo dispositivo non supporta NFC",
+
+  "amountToDeposit": "Importo da depositare:",
+  "descriptionOptional": "Descrizione (opzionale):",
+  "depositPlaceholder": "A cosa serve questo deposito?",
+  "generating": "Generazione...",
+  "generateInvoice": "Genera fattura",
+  "depositLightning": "Deposita Lightning",
+
+  "payInvoiceTitle": "Paga fattura",
+  "generatingInvoice": "Generazione fattura...",
+  "waitingForPayment": "In attesa del pagamento...",
+  "paymentReceived": "Pagamento ricevuto",
+  "tokensIssued": "Token emessi!",
+  "error": "Errore",
+  "unknownError": "Errore sconosciuto",
+  "back": "Indietro",
+  "copyInvoice": "Copia fattura",
+  "description": "Descrizione:",
+  "invoiceCopiedToClipboard": "Fattura copiata negli appunti",
+  "deposited": "{amount} {unit} depositati",
+  "@deposited": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "pasteLightningInvoice": "Incolla la fattura Lightning:",
+  "gettingQuote": "Ottenimento preventivo...",
+  "validInvoice": "Fattura valida",
+  "invalidInvoice": "Fattura non valida",
+  "invalidInvoiceMalformed": "Fattura non valida o malformata",
+  "feeReserved": "Commissione riservata:",
+  "total": "Totale:",
+  "paying": "Pagamento...",
+  "payInvoice": "Paga fattura",
+  "confirmPayment": "Conferma pagamento",
+  "pay": "Paga",
+  "fee": "commissione",
+  "invoiceExpired": "Fattura scaduta",
+  "amountOutOfRange": "Importo fuori dall'intervallo consentito",
+  "resolvingType": "Risoluzione {type}...",
+  "@resolvingType": {
+    "placeholders": {
+      "type": { "type": "String" }
+    }
+  },
+  "invoiceAlreadyPaid": "Fattura già pagata",
+  "paymentError": "Errore di pagamento: {error}",
+  "@paymentError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "sent": "{amount} {unit} inviati",
+  "@sent": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "filterAll": "Tutti",
+  "filterPending": "In attesa",
+  "filterEcash": "Ecash",
+  "filterLightning": "Lightning",
+  "receiveTokensToStart": "Ricevi token Cashu per iniziare",
+  "noPendingTransactions": "Nessuna transazione in attesa",
+  "allTransactionsCompleted": "Tutte le tue transazioni sono completate",
+  "noEcashTransactions": "Nessuna transazione Ecash",
+  "sendOrReceiveTokens": "Invia o ricevi token Cashu",
+  "noLightningTransactions": "Nessuna transazione Lightning",
+  "depositOrWithdrawLightning": "Deposita o preleva via Lightning",
+  "pendingStatus": "In attesa",
+  "receivedStatus": "Ricevuto",
+  "sentStatus": "Inviato",
+  "now": "Adesso",
+  "agoMinutes": "{minutes} min fa",
+  "@agoMinutes": {
+    "placeholders": {
+      "minutes": { "type": "int" }
+    }
+  },
+  "agoHours": "{hours} ore fa",
+  "@agoHours": {
+    "placeholders": {
+      "hours": { "type": "int" }
+    }
+  },
+  "agoDays": "{days} giorni fa",
+  "@agoDays": {
+    "placeholders": {
+      "days": { "type": "int" }
+    }
+  },
+  "lightningInvoice": "Fattura Lightning",
+  "receivedEcash": "Ecash ricevuto",
+  "sentEcash": "Ecash inviato",
+  "outgoingLightningPayment": "Pagamento Lightning in uscita",
+  "invoiceNotAvailable": "Fattura non disponibile",
+  "tokenNotAvailable": "Token non disponibile",
+  "unit": "Unità",
+  "status": "Stato",
+  "pending": "In attesa",
+  "memo": "Memo",
+  "copyInvoiceButton": "COPIA FATTURA",
+  "copyButton": "COPIA",
+  "invoiceCopied": "Fattura copiata",
+  "tokenCopied": "Token copiato",
+  "speed": "VELOCITÀ:",
+
+  "settings": "Impostazioni",
+  "walletSection": "PORTAFOGLIO",
+  "backupSeedPhrase": "Backup frase seed",
+  "viewRecoveryWords": "Visualizza le parole di recupero",
+  "connectedMints": "Mint connessi",
+  "manageCashuMints": "Gestisci i tuoi mint Cashu",
+  "pinAccess": "PIN di accesso",
+  "pinEnabled": "Attivato",
+  "protectWithPin": "Proteggi l'app con PIN",
+  "recoverTokens": "Recupera token",
+  "scanMintsWithSeed": "Scansiona mint con frase seed",
+  "appearanceSection": "LINGUA",
+  "language": "Lingua",
+  "informationSection": "INFORMAZIONI",
+  "version": "Versione",
+  "about": "Info",
+  "deleteWallet": "Elimina portafoglio",
+  "spanish": "Español",
+  "english": "English",
+  "portuguese": "Português",
+  "french": "Français",
+  "russian": "Русский",
+  "german": "Deutsch",
+  "italian": "Italiano",
+  "korean": "한국어",
+  "chinese": "中文",
+  "japanese": "日本語",
+  "swahili": "Kiswahili",
+
+  "mnemonicNotFound": "Mnemonic non trovato",
+  "createPin": "Crea PIN",
+  "enterPinDigits": "Inserisci un PIN a 4 cifre",
+  "confirmPin": "Conferma PIN",
+  "enterPinAgain": "Inserisci di nuovo il PIN",
+  "pinMismatch": "I PIN non corrispondono",
+  "pinActivated": "PIN attivato",
+  "pinDeactivated": "PIN disattivato",
+  "verifyPin": "Verifica PIN",
+  "enterCurrentPin": "Inserisci il tuo PIN attuale",
+  "incorrectPin": "PIN errato",
+  "selectLanguage": "Seleziona lingua",
+  "languageChanged": "Lingua cambiata in {language}",
+  "@languageChanged": {
+    "placeholders": {
+      "language": { "type": "String" }
+    }
+  },
+  "close": "Chiudi",
+  "aboutDescription": "Un portafoglio Cashu con DNA cubano per il mondo intero. Fratello di LaChispa.",
+  "couldNotOpenLink": "Impossibile aprire il link",
+
+  "deleteWalletQuestion": "Eliminare portafoglio?",
+  "actionIrreversible": "Questa azione è irreversibile",
+  "deleteWalletWarning": "Tutti i dati verranno eliminati, inclusa la frase seed e i token. Assicurati di avere un backup.",
+  "typeDeleteToConfirm": "Scrivi \"ELIMINA\" per confermare:",
+  "deleteConfirmWord": "ELIMINA",
+  "deleteError": "Errore di eliminazione: {error}",
+  "@deleteError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "recoverTokensTitle": "Recupera token",
+  "recoverTokensDescription": "Scansiona i mint per recuperare i token associati alla tua frase seed (NUT-13)",
+  "useCurrentSeedPhrase": "Usa la mia frase seed attuale",
+  "scanWithSavedWords": "Scansiona i mint con le 12 parole salvate",
+  "useOtherSeedPhrase": "Usa un'altra frase seed",
+  "recoverFromOtherWords": "Recupera token da altre 12 parole",
+  "mintsToScan": "Mint da scansionare:",
+  "allMints": "Tutti i mint ({count})",
+  "@allMints": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "specificMint": "Un mint specifico",
+  "enterMnemonicWords": "Inserisci le 12 parole separate da spazi...",
+  "scanMints": "Scansiona mint",
+  "selectMintToScan": "Seleziona un mint da scansionare",
+  "mnemonicMustHaveWords": "Il mnemonic deve avere 12 o 24 parole",
+  "noConnectedMintsToScan": "Nessun mint connesso da scansionare",
+  "recoveredTokens": "Recuperati {tokens} da {mints} mint!",
+  "@recoveredTokens": {
+    "placeholders": {
+      "tokens": { "type": "String" },
+      "mints": { "type": "int" }
+    }
+  },
+  "scanCompleteNoTokens": "Scansione completata. Nessun nuovo token trovato.",
+  "mintsWithError": "({count} mint con errore)",
+  "@mintsWithError": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "recoveredFromMint": "Recuperati {tokens} da {mint}!",
+  "@recoveredFromMint": {
+    "placeholders": {
+      "tokens": { "type": "String" },
+      "mint": { "type": "String" }
+    }
+  },
+  "noTokensFoundInMint": "Nessun token trovato in {mint}.",
+  "@noTokensFoundInMint": {
+    "placeholders": {
+      "mint": { "type": "String" }
+    }
+  },
+  "recoveredAndTransferred": "Recuperati e trasferiti {amount} {unit} nel tuo portafoglio!",
+  "@recoveredAndTransferred": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+  "noTokensForMnemonic": "Nessun token trovato associato a questo mnemonic.",
+
+  "noConnectedMints": "Nessun mint connesso",
+  "addMintToStart": "Aggiungi un mint per iniziare",
+  "addMint": "Aggiungi mint",
+  "mintDeleted": "Mint eliminato",
+  "activeMintUpdated": "Mint attivo aggiornato",
+  "mintUrl": "URL del mint:",
+  "mintUrlPlaceholder": "https://mint.example.com",
+  "urlMustStartWithHttps": "L'URL deve iniziare con https://",
+  "connectingToMint": "Connessione al mint...",
+  "mintAddedSuccessfully": "Mint aggiunto con successo",
+  "couldNotConnectToMint": "Impossibile connettersi al mint",
+  "add": "Aggiungi",
+
+  "success": "Successo",
+  "loading": "Caricamento...",
+  "retry": "Riprova",
+
+  "activeMint": "Mint attivo",
+  "mintMessage": "Messaggio del Mint",
+  "url": "URL",
+  "currency": "Valuta",
+  "unknown": "Sconosciuto",
+  "useThisMint": "Usa questo mint",
+  "copyMintUrl": "Copia URL del mint",
+  "deleteMint": "Elimina mint",
+  "copied": "{label} copiato",
+  "@copied": {
+    "placeholders": {
+      "label": { "type": "String" }
+    }
+  },
+  "deleteMintConfirmTitle": "Elimina mint",
+  "deleteMintConfirmMessage": "Se hai saldo su questo mint, verrà perso. Sei sicuro?",
+  "delete": "Elimina",
+
+  "offlineSend": "Invio offline",
+  "selectAll": "Tutto",
+  "deselectAll": "Nessuno",
+  "selectNotesToSend": "Seleziona le note da inviare:",
+  "totalToSend": "Totale da inviare",
+  "notesSelected": "{count} note selezionate",
+  "@notesSelected": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "loadingProofsError": "Errore caricamento prove: {error}",
+  "@loadingProofsError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "creatingTokenError": "Errore creazione token: {error}",
+  "@creatingTokenError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "unknownState": "Stato sconosciuto",
+  "depositAmountTitle": "Deposita {amount} {unit}",
+  "@depositAmountTitle": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "receiveNow": "Ricevi adesso",
+  "receiveLater": "Ricevi dopo",
+  "tokenSavedForLater": "Token salvato per riscattarlo dopo",
+  "noConnectionTokenSaved": "Nessuna connessione. Token salvato per riscattarlo dopo.",
+  "unknownMintOffline": "Questo token proviene da un mint sconosciuto. Connettiti a internet per aggiungerlo e riscattare il token.",
+  "noConnectionTryLater": "Nessuna connessione al mint. Riprova più tardi.",
+  "saveTokenError": "Errore nel salvare il token. Riprova.",
+  "pendingTokenLimitReached": "Limite token in attesa raggiunto (max 50)",
+  "filterToReceive": "Da ricevere",
+  "noPendingTokens": "Nessun token in attesa",
+  "noPendingTokensHint": "Salva token per riscattarli dopo",
+  "pendingBadge": "IN ATTESA",
+  "expiresInDays": "{days, plural, =1{Scade tra 1 giorno} other{Scade tra {days} giorni}}",
+  "@expiresInDays": {
+    "placeholders": {
+      "days": { "type": "int" }
+    }
+  },
+  "retryCount": "{count} tentativi",
+  "@retryCount": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "claimNow": "Riscatta adesso",
+  "pendingTokenClaimedSuccess": "Riscattati {amount} {unit}",
+  "@pendingTokenClaimedSuccess": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+  "pendingTokensClaimed": "{count, plural, =1{Riscattato 1 token ({amount} {unit})} other{Riscattati {count} token ({amount} {unit})}}",
+  "@pendingTokensClaimed": {
+    "placeholders": {
+      "count": { "type": "int" },
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "scan": "Scansiona",
+  "scanQrCode": "Scansiona QR",
+  "scanCashuToken": "Scansiona token Cashu",
+  "scanLightningInvoice": "Scansiona fattura",
+  "scanningAnimatedQr": "Scansione QR animato...",
+  "pointCameraAtQr": "Punta la fotocamera sul codice QR",
+  "pointCameraAtCashuQr": "Punta la fotocamera sul QR del token Cashu",
+  "pointCameraAtInvoiceQr": "Punta la fotocamera sul QR della fattura",
+  "unrecognizedQrCode": "Codice QR non riconosciuto",
+  "scanCashuTokenHint": "Scansiona un token Cashu (cashuA... o cashuB...)",
+  "scanLightningInvoiceHint": "Scansiona una fattura Lightning (lnbc...)",
+  "addMintQuestion": "Aggiungere questo mint?",
+  "cameraPermissionDenied": "Permesso fotocamera negato",
+  "paymentRequestTitle": "Richiesta di pagamento",
+  "paymentRequestFrom": "Richiesta da",
+  "paymentRequestAmount": "Importo richiesto",
+  "paymentRequestDescription": "Descrizione",
+  "paymentRequestMints": "Mint accettati",
+  "paymentRequestAnyMint": "Qualsiasi mint",
+  "paymentRequestPay": "Paga",
+  "paymentRequestPaying": "Pagamento in corso...",
+  "paymentRequestSuccess": "Pagamento inviato con successo",
+  "paymentRequestNoTransport": "Questa richiesta non ha un metodo di consegna configurato",
+  "paymentRequestTransport": "Trasporto",
+  "paymentRequestMintNotAccepted": "Il tuo mint attivo non è nella lista dei mint accettati",
+  "paymentRequestUnitMismatch": "Unità incompatibile: la richiesta richiede {unit}",
+  "paymentRequestInsufficientBalance": "Saldo insufficiente",
+  "paymentRequestErrorParsing": "Errore nella lettura della richiesta di pagamento",
+
+  "p2pkTitle": "Chiavi P2PK",
+  "p2pkSettingsDescription": "Ricevi ecash bloccato",
+  "p2pkExperimental": "P2PK è sperimentale. Usare con cautela.",
+  "p2pkPendingSendWarning": "Hai un invio P2PK in sospeso. Vai alla cronologia e aggiorna dopo che il destinatario ha riscattato il token.",
+  "p2pkExperimentalShort": "Sperimentale",
+  "p2pkPrimaryKey": "Chiave Principale",
+  "p2pkDerived": "Derivata",
+  "p2pkImported": "Importata",
+  "p2pkImportedKeys": "Chiavi Importate",
+  "p2pkNoImportedKeys": "Nessuna chiave importata",
+  "p2pkShowQR": "Mostra QR",
+  "p2pkCopy": "Copia",
+  "p2pkImportNsec": "Importa nsec",
+  "p2pkImport": "Importa",
+  "p2pkEnterLabel": "Nome per questa chiave",
+  "p2pkLockToKey": "Invio con firma P2PK",
+  "p2pkLockDescription": "Solo il destinatario può riscattare",
+  "p2pkReceiverPubkey": "npub1... o hex (64/66 caratteri)",
+  "p2pkInvalidPubkey": "Chiave pubblica non valida",
+  "p2pkInvalidPrivateKey": "Chiave privata non valida",
+  "p2pkLockedToYou": "Bloccato per te",
+  "p2pkLockedToOther": "Bloccato per un'altra chiave",
+  "p2pkCannotUnlock": "Non hai la chiave per sbloccare questo token",
+  "p2pkEnterPrivateKey": "Inserisci chiave privata (nsec)",
+  "p2pkDeleteTitle": "Elimina chiave",
+  "p2pkDeleteConfirm": "Eliminare questa chiave? Non potrai ricevere token bloccati ad essa.",
+  "p2pkRequiresConnection": "P2PK richiede connessione al mint",
+  "p2pkErrorMaxKeysReached": "Numero massimo di chiavi importate raggiunto (10)",
+  "p2pkErrorInvalidNsec": "nsec non valido",
+  "p2pkErrorKeyAlreadyExists": "Questa chiave esiste già",
+  "p2pkErrorKeyNotFound": "Chiave non trovata",
+  "p2pkErrorCannotDeletePrimary": "Impossibile eliminare la chiave principale",
+
+  "request": "Richiedi",
+  "requestPayment": "Richiedi pagamento",
+  "requestPaymentDescription": "Genera richiesta di pagamento unificata",
+  "generateRequest": "Genera richiesta",
+  "generatingRequest": "Generazione in corso...",
+  "requestPaymentReceived": "Pagamento ricevuto",
+  "requestDescriptionHint": "Descrizione (opzionale)",
+  "universal": "Universale",
+  "copiedToClipboard": "Copiato negli appunti"
+}

lib/l10n/app_ja.arb

@@ -0,0 +1,563 @@
+{
+  "@@locale": "ja",
+
+  "appName": "ElCaju",
+  "appTagline": "プライベートなecashウォレット",
+  "loadingMessage1": "コインを暗号化中...",
+  "loadingMessage2": "e-トークンを準備中...",
+  "loadingMessage3": "Mintに接続中...",
+  "loadingMessage4": "デフォルトでプライバシー保護。",
+  "loadingMessage5": "ブラインド署名中...",
+  "loadingMessage6": "Go full Calle...",
+  "loadingMessage7": "Cashu + Bitchat = プライバシー + 自由",
+  "aboutTagline": "国境のないプライバシー。",
+
+  "welcomeTitle": "ElCajuへようこそ",
+  "welcomeSubtitle": "世界のためのCashu。キューバ製。",
+
+  "createWallet": "新しいウォレットを作成",
+  "restoreWallet": "ウォレットを復元",
+
+  "createWalletTitle": "ウォレット作成",
+  "creatingWallet": "ウォレットを作成中...",
+  "generatingSeed": "シードフレーズを安全に生成中",
+  "createWalletDescription": "12語のシードフレーズが生成されます。\n安全な場所に保管してください。",
+  "generateWallet": "ウォレットを生成",
+
+  "walletCreated": "ウォレット作成完了！",
+  "walletCreatedDescription": "ウォレットの準備ができました。今すぐシードフレーズをバックアップすることをお勧めします。",
+  "backupWarning": "バックアップがないと、デバイスを紛失した場合に資金にアクセスできなくなります。",
+  "backupNow": "今すぐバックアップ",
+  "backupLater": "後でする",
+
+  "backupTitle": "バックアップ",
+  "seedPhraseTitle": "シードフレーズ",
+  "seedPhraseDescription": "この12語を順番に保存してください。ウォレットを復元する唯一の方法です。",
+  "revealSeedPhrase": "シードフレーズを表示",
+  "tapToReveal": "ボタンをタップして\nシードフレーズを表示",
+  "copyToClipboard": "クリップボードにコピー",
+  "seedCopied": "フレーズをクリップボードにコピーしました",
+  "neverShareSeed": "シードフレーズを誰にも共有しないでください。",
+  "confirmBackup": "シードフレーズを安全な場所に保存しました",
+  "continue_": "続ける",
+
+  "restoreTitle": "ウォレットを復元",
+  "enterSeedPhrase": "シードフレーズを入力",
+  "enterSeedDescription": "12語または24語をスペースで区切って入力してください。",
+  "seedPlaceholder": "単語1 単語2 単語3 ...",
+  "wordCount": "{count}語",
+  "@wordCount": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "needWords": "（12語または24語が必要）",
+  "restoreScanningMint": "ミントで既存のトークンをスキャン中...",
+  "restoreError": "復元エラー：{error}",
+  "@restoreError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "homeTitle": "ホーム",
+  "receive": "受取",
+  "send": "送金",
+  "sendAction": "送金 ↗",
+  "receiveAction": "↘ 受取",
+  "deposit": "入金",
+  "withdraw": "出金",
+  "lightning": "Lightning",
+  "cashu": "Cashu",
+  "ecash": "Ecash",
+  "history": "履歴",
+  "noTransactions": "取引履歴がありません",
+  "depositOrReceive": "satsを入金または受け取って開始",
+  "noMint": "Mintなし",
+
+  "balance": "残高",
+  "sats": "sats",
+
+  "pasteEcashToken": "ecashトークンを貼り付け",
+  "generateInvoiceToDeposit": "入金用インボイスを生成",
+  "createEcashToken": "ecashトークンを作成",
+  "payLightningInvoice": "Lightningインボイスを支払う",
+
+  "receiveCashu": "Cashuを受け取る",
+  "pasteTheCashuToken": "Cashuトークンを貼り付け：",
+  "pasteFromClipboard": "クリップボードから貼り付け",
+  "validToken": "有効なトークン",
+  "invalidToken": "無効または不正なトークン",
+  "amount": "金額：",
+  "mint": "Mint：",
+  "claiming": "請求中...",
+  "claimTokens": "トークンを請求",
+  "tokensReceived": "トークンを受け取りました",
+  "backToHome": "ホームに戻る",
+  "tokenAlreadyClaimed": "このトークンは既に請求済みです",
+  "unknownMint": "不明なMintからのトークン",
+  "claimError": "請求エラー：{error}",
+  "@claimError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "sendCashu": "Cashuを送る",
+  "selectNotesManually": "ノートを手動で選択",
+  "amountToSend": "送金額：",
+  "available": "利用可能：",
+  "max": "（最大）",
+  "memoOptional": "メモ（任意）：",
+  "memoPlaceholder": "この支払いは何のためですか？",
+  "creatingToken": "トークン作成中...",
+  "createToken": "トークンを作成",
+  "noActiveMint": "アクティブなMintがありません",
+  "offlineModeMessage": "接続なし。オフラインモード使用中...",
+  "confirmSend": "送金を確認",
+  "confirm": "確認",
+  "cancel": "キャンセル",
+  "insufficientBalance": "残高不足",
+  "tokenCreationError": "トークン作成エラー：{error}",
+  "@tokenCreationError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "tokenCreated": "トークン作成完了",
+  "copy": "コピー",
+  "share": "共有",
+  "tokenCashu": "Cashuトークン",
+  "tokenCashuAnimatedQr": "Cashuトークン（アニメーションQR - {fragments}個のURフラグメント）",
+  "@tokenCashuAnimatedQr": {
+    "placeholders": {
+      "fragments": { "type": "int" }
+    }
+  },
+  "keepTokenWarning": "受取人が請求するまでこのトークンを保管してください。紛失すると資金を失います。",
+  "tokenCopiedToClipboard": "トークンをクリップボードにコピーしました",
+  "copyAsEmoji": "絵文字としてコピー",
+  "emojiCopiedToClipboard": "トークンを絵文字としてコピーしました 🥜",
+  "peanutDecodeError": "絵文字トークンをデコードできませんでした。破損している可能性があります。",
+
+  "nfcWrite": "NFCタグに書き込む",
+  "nfcRead": "NFCタグを読み取る",
+  "nfcHoldNear": "デバイスをNFCタグに近づけてください...",
+  "nfcWriteSuccess": "トークンをNFCタグに書き込みました",
+  "nfcWriteError": "NFC書き込みエラー: {error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "NFC読み取りエラー: {error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFCが無効です。設定で有効にしてください。",
+  "nfcUnsupported": "このデバイスはNFCに対応していません",
+
+  "amountToDeposit": "入金額：",
+  "descriptionOptional": "説明（任意）：",
+  "depositPlaceholder": "この入金は何のためですか？",
+  "generating": "生成中...",
+  "generateInvoice": "インボイスを生成",
+  "depositLightning": "Lightning入金",
+
+  "payInvoiceTitle": "インボイスを支払う",
+  "generatingInvoice": "インボイス生成中...",
+  "waitingForPayment": "支払い待ち...",
+  "paymentReceived": "支払いを受け取りました",
+  "tokensIssued": "トークンが発行されました！",
+  "error": "エラー",
+  "unknownError": "不明なエラー",
+  "back": "戻る",
+  "copyInvoice": "インボイスをコピー",
+  "description": "説明：",
+  "invoiceCopiedToClipboard": "インボイスをクリップボードにコピーしました",
+  "deposited": "{amount} {unit}を入金しました",
+  "@deposited": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "pasteLightningInvoice": "Lightningインボイスを貼り付け：",
+  "gettingQuote": "見積もり取得中...",
+  "validInvoice": "有効なインボイス",
+  "invalidInvoice": "無効なインボイス",
+  "invalidInvoiceMalformed": "無効または不正なインボイス",
+  "feeReserved": "予約手数料：",
+  "total": "合計：",
+  "paying": "支払い中...",
+  "payInvoice": "インボイスを支払う",
+  "confirmPayment": "支払いを確認",
+  "pay": "支払う",
+  "fee": "手数料",
+  "invoiceExpired": "インボイス期限切れ",
+  "amountOutOfRange": "金額が許容範囲外です",
+  "resolvingType": "{type}を解決中...",
+  "@resolvingType": {
+    "placeholders": {
+      "type": { "type": "String" }
+    }
+  },
+  "invoiceAlreadyPaid": "インボイスは支払い済みです",
+  "paymentError": "支払いエラー：{error}",
+  "@paymentError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "sent": "{amount} {unit}を送金しました",
+  "@sent": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "filterAll": "すべて",
+  "filterPending": "保留中",
+  "filterEcash": "Ecash",
+  "filterLightning": "Lightning",
+  "receiveTokensToStart": "Cashuトークンを受け取って開始",
+  "noPendingTransactions": "保留中の取引はありません",
+  "allTransactionsCompleted": "すべての取引が完了しました",
+  "noEcashTransactions": "Ecash取引はありません",
+  "sendOrReceiveTokens": "Cashuトークンを送受信",
+  "noLightningTransactions": "Lightning取引はありません",
+  "depositOrWithdrawLightning": "Lightningで入出金",
+  "pendingStatus": "保留中",
+  "receivedStatus": "受取済み",
+  "sentStatus": "送金済み",
+  "now": "たった今",
+  "agoMinutes": "{minutes}分前",
+  "@agoMinutes": {
+    "placeholders": {
+      "minutes": { "type": "int" }
+    }
+  },
+  "agoHours": "{hours}時間前",
+  "@agoHours": {
+    "placeholders": {
+      "hours": { "type": "int" }
+    }
+  },
+  "agoDays": "{days}日前",
+  "@agoDays": {
+    "placeholders": {
+      "days": { "type": "int" }
+    }
+  },
+  "lightningInvoice": "Lightningインボイス",
+  "receivedEcash": "Ecash受取",
+  "sentEcash": "Ecash送金",
+  "outgoingLightningPayment": "Lightning出金",
+  "invoiceNotAvailable": "インボイスは利用できません",
+  "tokenNotAvailable": "トークンは利用できません",
+  "unit": "単位",
+  "status": "ステータス",
+  "pending": "保留中",
+  "memo": "メモ",
+  "copyInvoiceButton": "インボイスをコピー",
+  "copyButton": "コピー",
+  "invoiceCopied": "インボイスをコピーしました",
+  "tokenCopied": "トークンをコピーしました",
+  "speed": "速度：",
+
+  "settings": "設定",
+  "walletSection": "ウォレット",
+  "backupSeedPhrase": "シードフレーズのバックアップ",
+  "viewRecoveryWords": "復元用単語を表示",
+  "connectedMints": "接続中のMint",
+  "manageCashuMints": "Cashu Mintを管理",
+  "pinAccess": "PINアクセス",
+  "pinEnabled": "有効",
+  "protectWithPin": "PINでアプリを保護",
+  "recoverTokens": "トークンを復元",
+  "scanMintsWithSeed": "シードフレーズでMintをスキャン",
+  "appearanceSection": "言語",
+  "language": "言語",
+  "informationSection": "情報",
+  "version": "バージョン",
+  "about": "このアプリについて",
+  "deleteWallet": "ウォレットを削除",
+  "spanish": "Español",
+  "english": "English",
+  "portuguese": "Português",
+  "french": "Français",
+  "russian": "Русский",
+  "german": "Deutsch",
+  "italian": "Italiano",
+  "korean": "한국어",
+  "chinese": "中文",
+  "japanese": "日本語",
+  "swahili": "Kiswahili",
+
+  "mnemonicNotFound": "ニーモニックが見つかりません",
+  "createPin": "PINを作成",
+  "enterPinDigits": "4桁のPINを入力",
+  "confirmPin": "PINを確認",
+  "enterPinAgain": "PINを再入力",
+  "pinMismatch": "PINが一致しません",
+  "pinActivated": "PINが有効になりました",
+  "pinDeactivated": "PINが無効になりました",
+  "verifyPin": "PINを確認",
+  "enterCurrentPin": "現在のPINを入力",
+  "incorrectPin": "PINが正しくありません",
+  "selectLanguage": "言語を選択",
+  "languageChanged": "言語を{language}に変更しました",
+  "@languageChanged": {
+    "placeholders": {
+      "language": { "type": "String" }
+    }
+  },
+  "close": "閉じる",
+  "aboutDescription": "キューバのDNAを持つ世界のためのCashuウォレット。LaChispaの兄弟。",
+  "couldNotOpenLink": "リンクを開けませんでした",
+
+  "deleteWalletQuestion": "ウォレットを削除しますか？",
+  "actionIrreversible": "この操作は取り消せません",
+  "deleteWalletWarning": "シードフレーズとトークンを含むすべてのデータが削除されます。バックアップがあることを確認してください。",
+  "typeDeleteToConfirm": "確認のため「DELETE」と入力：",
+  "deleteConfirmWord": "DELETE",
+  "deleteError": "削除エラー：{error}",
+  "@deleteError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "recoverTokensTitle": "トークンを復元",
+  "recoverTokensDescription": "シードフレーズに関連付けられたトークンを復元するためにMintをスキャン（NUT-13）",
+  "useCurrentSeedPhrase": "現在のシードフレーズを使用",
+  "scanWithSavedWords": "保存された12語でMintをスキャン",
+  "useOtherSeedPhrase": "別のシードフレーズを使用",
+  "recoverFromOtherWords": "別の12語からトークンを復元",
+  "mintsToScan": "スキャンするMint：",
+  "allMints": "すべてのMint（{count}件）",
+  "@allMints": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "specificMint": "特定のMint",
+  "enterMnemonicWords": "12語をスペースで区切って入力...",
+  "scanMints": "Mintをスキャン",
+  "selectMintToScan": "スキャンするMintを選択",
+  "mnemonicMustHaveWords": "ニーモニックは12語または24語である必要があります",
+  "noConnectedMintsToScan": "スキャンできる接続済みMintがありません",
+  "recoveredTokens": "{mints}件のMintから{tokens}を復元しました！",
+  "@recoveredTokens": {
+    "placeholders": {
+      "tokens": { "type": "String" },
+      "mints": { "type": "int" }
+    }
+  },
+  "scanCompleteNoTokens": "スキャン完了。新しいトークンは見つかりませんでした。",
+  "mintsWithError": "（{count}件のMintでエラー）",
+  "@mintsWithError": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "recoveredFromMint": "{mint}から{tokens}を復元しました！",
+  "@recoveredFromMint": {
+    "placeholders": {
+      "tokens": { "type": "String" },
+      "mint": { "type": "String" }
+    }
+  },
+  "noTokensFoundInMint": "{mint}でトークンが見つかりませんでした。",
+  "@noTokensFoundInMint": {
+    "placeholders": {
+      "mint": { "type": "String" }
+    }
+  },
+  "recoveredAndTransferred": "{amount} {unit}を復元してウォレットに転送しました！",
+  "@recoveredAndTransferred": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+  "noTokensForMnemonic": "そのニーモニックに関連付けられたトークンは見つかりませんでした。",
+
+  "noConnectedMints": "接続済みMintがありません",
+  "addMintToStart": "Mintを追加して開始",
+  "addMint": "Mintを追加",
+  "mintDeleted": "Mintを削除しました",
+  "activeMintUpdated": "アクティブMintを更新しました",
+  "mintUrl": "Mint URL：",
+  "mintUrlPlaceholder": "https://mint.example.com",
+  "urlMustStartWithHttps": "URLはhttps://で始まる必要があります",
+  "connectingToMint": "Mintに接続中...",
+  "mintAddedSuccessfully": "Mintを追加しました",
+  "couldNotConnectToMint": "Mintに接続できませんでした",
+  "add": "追加",
+
+  "success": "成功",
+  "loading": "読み込み中...",
+  "retry": "再試行",
+
+  "activeMint": "アクティブMint",
+  "mintMessage": "Mintメッセージ",
+  "url": "URL",
+  "currency": "通貨",
+  "unknown": "不明",
+  "useThisMint": "このMintを使用",
+  "copyMintUrl": "Mint URLをコピー",
+  "deleteMint": "Mintを削除",
+  "copied": "{label}をコピーしました",
+  "@copied": {
+    "placeholders": {
+      "label": { "type": "String" }
+    }
+  },
+  "deleteMintConfirmTitle": "Mintを削除",
+  "deleteMintConfirmMessage": "このMintに残高がある場合、失われます。よろしいですか？",
+  "delete": "削除",
+
+  "offlineSend": "オフライン送金",
+  "selectAll": "すべて",
+  "deselectAll": "なし",
+  "selectNotesToSend": "送信するノートを選択：",
+  "totalToSend": "送金合計",
+  "notesSelected": "{count}件のノートを選択",
+  "@notesSelected": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "loadingProofsError": "プルーフ読み込みエラー：{error}",
+  "@loadingProofsError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "creatingTokenError": "トークン作成エラー：{error}",
+  "@creatingTokenError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "unknownState": "不明な状態",
+  "depositAmountTitle": "{amount} {unit}を入金",
+  "@depositAmountTitle": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "receiveNow": "今すぐ受け取る",
+  "receiveLater": "後で受け取る",
+  "tokenSavedForLater": "トークンを保存しました。後で請求できます",
+  "noConnectionTokenSaved": "接続なし。トークンを保存しました。後で請求できます。",
+  "unknownMintOffline": "このトークンは不明なMintからのものです。インターネットに接続してMintを追加し、トークンを請求してください。",
+  "noConnectionTryLater": "Mintに接続できません。後でもう一度お試しください。",
+  "saveTokenError": "トークンの保存エラー。もう一度お試しください。",
+  "pendingTokenLimitReached": "保留中トークンの上限に達しました（最大50件）",
+  "filterToReceive": "受取予定",
+  "noPendingTokens": "保留中のトークンはありません",
+  "noPendingTokensHint": "トークンを保存して後で請求",
+  "pendingBadge": "保留中",
+  "expiresInDays": "{days, plural, =1{1日後に期限切れ} other{{days}日後に期限切れ}}",
+  "@expiresInDays": {
+    "placeholders": {
+      "days": { "type": "int" }
+    }
+  },
+  "retryCount": "{count}回リトライ",
+  "@retryCount": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "claimNow": "今すぐ請求",
+  "pendingTokenClaimedSuccess": "{amount} {unit}を請求しました",
+  "@pendingTokenClaimedSuccess": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+  "pendingTokensClaimed": "{count, plural, =1{1件のトークン（{amount} {unit}）を請求しました} other{{count}件のトークン（{amount} {unit}）を請求しました}}",
+  "@pendingTokensClaimed": {
+    "placeholders": {
+      "count": { "type": "int" },
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "scan": "スキャン",
+  "scanQrCode": "QRコードをスキャン",
+  "scanCashuToken": "Cashuトークンをスキャン",
+  "scanLightningInvoice": "インボイスをスキャン",
+  "scanningAnimatedQr": "アニメーションQRをスキャン中...",
+  "pointCameraAtQr": "カメラをQRコードに向けてください",
+  "pointCameraAtCashuQr": "カメラをCashuトークンのQRに向けてください",
+  "pointCameraAtInvoiceQr": "カメラをインボイスのQRに向けてください",
+  "unrecognizedQrCode": "認識できないQRコード",
+  "scanCashuTokenHint": "Cashuトークンをスキャン（cashuA...またはcashuB...）",
+  "scanLightningInvoiceHint": "Lightningインボイスをスキャン（lnbc...）",
+  "addMintQuestion": "このMintを追加しますか？",
+  "cameraPermissionDenied": "カメラの許可が拒否されました",
+  "paymentRequestTitle": "支払いリクエスト",
+  "paymentRequestFrom": "リクエスト元",
+  "paymentRequestAmount": "リクエスト金額",
+  "paymentRequestDescription": "説明",
+  "paymentRequestMints": "対応ミント",
+  "paymentRequestAnyMint": "すべてのミント",
+  "paymentRequestPay": "支払う",
+  "paymentRequestPaying": "支払い中...",
+  "paymentRequestSuccess": "支払いが正常に送信されました",
+  "paymentRequestNoTransport": "このリクエストには配信方法が設定されていません",
+  "paymentRequestTransport": "トランスポート",
+  "paymentRequestMintNotAccepted": "アクティブなミントは対応ミントリストにありません",
+  "paymentRequestUnitMismatch": "単位が互換性がありません：リクエストには{unit}が必要です",
+  "paymentRequestInsufficientBalance": "残高不足",
+  "paymentRequestErrorParsing": "支払いリクエストの読み取りエラー",
+
+  "p2pkTitle": "P2PK鍵",
+  "p2pkSettingsDescription": "ロックされたecashを受け取る",
+  "p2pkExperimental": "P2PKは実験的機能です。注意してご使用ください。",
+  "p2pkPendingSendWarning": "保留中のP2PK送信があります。受取人がトークンを受け取った後、履歴で更新してください。",
+  "p2pkExperimentalShort": "実験的",
+  "p2pkPrimaryKey": "プライマリ鍵",
+  "p2pkDerived": "派生",
+  "p2pkImported": "インポート済み",
+  "p2pkImportedKeys": "インポートした鍵",
+  "p2pkNoImportedKeys": "インポートした鍵はありません",
+  "p2pkShowQR": "QRを表示",
+  "p2pkCopy": "コピー",
+  "p2pkImportNsec": "nsecをインポート",
+  "p2pkImport": "インポート",
+  "p2pkEnterLabel": "この鍵の名前",
+  "p2pkLockToKey": "P2PK署名で送信",
+  "p2pkLockDescription": "受取人のみが請求可能",
+  "p2pkReceiverPubkey": "npub1... または hex（64/66文字）",
+  "p2pkInvalidPubkey": "無効な公開鍵",
+  "p2pkInvalidPrivateKey": "無効な秘密鍵",
+  "p2pkLockedToYou": "あなた宛にロック",
+  "p2pkLockedToOther": "別の鍵にロック",
+  "p2pkCannotUnlock": "このトークンをアンロックする鍵がありません",
+  "p2pkEnterPrivateKey": "秘密鍵を入力（nsec）",
+  "p2pkDeleteTitle": "鍵を削除",
+  "p2pkDeleteConfirm": "この鍵を削除しますか？この鍵にロックされたトークンを受け取れなくなります。",
+  "p2pkRequiresConnection": "P2PKにはMintへの接続が必要です",
+  "p2pkErrorMaxKeysReached": "インポート可能な鍵の上限に達しました（10）",
+  "p2pkErrorInvalidNsec": "無効なnsec",
+  "p2pkErrorKeyAlreadyExists": "この鍵は既に存在します",
+  "p2pkErrorKeyNotFound": "鍵が見つかりません",
+  "p2pkErrorCannotDeletePrimary": "プライマリ鍵は削除できません",
+
+  "request": "リクエスト",
+  "requestPayment": "支払いをリクエスト",
+  "requestPaymentDescription": "統合支払いリクエストを生成",
+  "generateRequest": "リクエストを生成",
+  "generatingRequest": "生成中...",
+  "requestPaymentReceived": "支払いを受け取りました",
+  "requestDescriptionHint": "説明（任意）",
+  "universal": "ユニバーサル",
+  "copiedToClipboard": "クリップボードにコピーしました"
+}

lib/l10n/app_ko.arb

@@ -0,0 +1,563 @@
+{
+  "@@locale": "ko",
+
+  "appName": "ElCaju",
+  "appTagline": "당신의 프라이빗 ecash 지갑",
+  "loadingMessage1": "코인 암호화 중...",
+  "loadingMessage2": "e-토큰 준비 중...",
+  "loadingMessage3": "Mint에 연결 중...",
+  "loadingMessage4": "기본 프라이버시.",
+  "loadingMessage5": "블라인드 서명 토큰...",
+  "loadingMessage6": "Go full Calle...",
+  "loadingMessage7": "Cashu + Bitchat = 프라이버시 + 자유",
+  "aboutTagline": "국경 없는 프라이버시.",
+
+  "welcomeTitle": "ElCaju에 오신 것을 환영합니다",
+  "welcomeSubtitle": "세계를 위한 Cashu. 쿠바에서 제작.",
+
+  "createWallet": "새 지갑 만들기",
+  "restoreWallet": "지갑 복구",
+
+  "createWalletTitle": "지갑 만들기",
+  "creatingWallet": "지갑 생성 중...",
+  "generatingSeed": "시드 문구를 안전하게 생성 중",
+  "createWalletDescription": "12개의 단어로 된 시드 문구가 생성됩니다.\n안전한 곳에 보관하세요.",
+  "generateWallet": "지갑 생성",
+
+  "walletCreated": "지갑이 생성되었습니다!",
+  "walletCreatedDescription": "지갑이 준비되었습니다. 지금 시드 문구를 백업하는 것을 권장합니다.",
+  "backupWarning": "백업 없이는 기기를 분실하면 자금에 접근할 수 없습니다.",
+  "backupNow": "지금 백업",
+  "backupLater": "나중에 하기",
+
+  "backupTitle": "백업",
+  "seedPhraseTitle": "시드 문구",
+  "seedPhraseDescription": "이 12개의 단어를 순서대로 저장하세요. 지갑을 복구하는 유일한 방법입니다.",
+  "revealSeedPhrase": "시드 문구 보기",
+  "tapToReveal": "버튼을 탭하여\n시드 문구를 확인하세요",
+  "copyToClipboard": "클립보드에 복사",
+  "seedCopied": "문구가 클립보드에 복사되었습니다",
+  "neverShareSeed": "시드 문구를 절대 다른 사람과 공유하지 마세요.",
+  "confirmBackup": "시드 문구를 안전한 곳에 저장했습니다",
+  "continue_": "계속",
+
+  "restoreTitle": "지갑 복구",
+  "enterSeedPhrase": "시드 문구를 입력하세요",
+  "enterSeedDescription": "12개 또는 24개의 단어를 공백으로 구분하여 입력하세요.",
+  "seedPlaceholder": "단어1 단어2 단어3 ...",
+  "wordCount": "{count}개 단어",
+  "@wordCount": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "needWords": "(12개 또는 24개 필요)",
+  "restoreScanningMint": "민트에서 기존 토큰 검색 중...",
+  "restoreError": "복구 오류: {error}",
+  "@restoreError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "homeTitle": "홈",
+  "receive": "받기",
+  "send": "보내기",
+  "sendAction": "보내기 ↗",
+  "receiveAction": "↘ 받기",
+  "deposit": "입금",
+  "withdraw": "출금",
+  "lightning": "Lightning",
+  "cashu": "Cashu",
+  "ecash": "Ecash",
+  "history": "거래 내역",
+  "noTransactions": "거래 내역이 없습니다",
+  "depositOrReceive": "시작하려면 sats를 입금하거나 받으세요",
+  "noMint": "Mint 없음",
+
+  "balance": "잔액",
+  "sats": "sats",
+
+  "pasteEcashToken": "ecash 토큰 붙여넣기",
+  "generateInvoiceToDeposit": "입금용 인보이스 생성",
+  "createEcashToken": "ecash 토큰 만들기",
+  "payLightningInvoice": "Lightning 인보이스 결제",
+
+  "receiveCashu": "Cashu 받기",
+  "pasteTheCashuToken": "Cashu 토큰을 붙여넣으세요:",
+  "pasteFromClipboard": "클립보드에서 붙여넣기",
+  "validToken": "유효한 토큰",
+  "invalidToken": "유효하지 않거나 손상된 토큰",
+  "amount": "금액:",
+  "mint": "Mint:",
+  "claiming": "청구 중...",
+  "claimTokens": "토큰 청구",
+  "tokensReceived": "토큰을 받았습니다",
+  "backToHome": "홈으로 돌아가기",
+  "tokenAlreadyClaimed": "이 토큰은 이미 청구되었습니다",
+  "unknownMint": "알 수 없는 mint의 토큰",
+  "claimError": "청구 오류: {error}",
+  "@claimError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "sendCashu": "Cashu 보내기",
+  "selectNotesManually": "수동으로 노트 선택",
+  "amountToSend": "보낼 금액:",
+  "available": "사용 가능:",
+  "max": "(최대)",
+  "memoOptional": "메모 (선택사항):",
+  "memoPlaceholder": "이 결제는 무엇을 위한 것인가요?",
+  "creatingToken": "토큰 생성 중...",
+  "createToken": "토큰 만들기",
+  "noActiveMint": "활성 mint 없음",
+  "offlineModeMessage": "연결 없음. 오프라인 모드...",
+  "confirmSend": "보내기 확인",
+  "confirm": "확인",
+  "cancel": "취소",
+  "insufficientBalance": "잔액 부족",
+  "tokenCreationError": "토큰 생성 오류: {error}",
+  "@tokenCreationError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "tokenCreated": "토큰이 생성되었습니다",
+  "copy": "복사",
+  "share": "공유",
+  "tokenCashu": "Cashu 토큰",
+  "tokenCashuAnimatedQr": "Cashu 토큰 (애니메이션 QR - {fragments}개 UR 조각)",
+  "@tokenCashuAnimatedQr": {
+    "placeholders": {
+      "fragments": { "type": "int" }
+    }
+  },
+  "keepTokenWarning": "수신자가 청구할 때까지 이 토큰을 보관하세요. 분실하면 자금을 잃게 됩니다.",
+  "tokenCopiedToClipboard": "토큰이 클립보드에 복사되었습니다",
+  "copyAsEmoji": "이모지로 복사",
+  "emojiCopiedToClipboard": "토큰이 이모지로 복사되었습니다 🥜",
+  "peanutDecodeError": "이모지 토큰을 디코딩할 수 없습니다. 손상되었을 수 있습니다.",
+
+  "nfcWrite": "NFC 태그에 쓰기",
+  "nfcRead": "NFC 태그 읽기",
+  "nfcHoldNear": "기기를 NFC 태그에 가까이 대세요...",
+  "nfcWriteSuccess": "토큰이 NFC 태그에 기록되었습니다",
+  "nfcWriteError": "NFC 쓰기 오류: {error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "NFC 읽기 오류: {error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFC가 비활성화되어 있습니다. 설정에서 활성화하세요.",
+  "nfcUnsupported": "이 기기는 NFC를 지원하지 않습니다",
+
+  "amountToDeposit": "입금할 금액:",
+  "descriptionOptional": "설명 (선택사항):",
+  "depositPlaceholder": "이 입금은 무엇을 위한 것인가요?",
+  "generating": "생성 중...",
+  "generateInvoice": "인보이스 생성",
+  "depositLightning": "Lightning 입금",
+
+  "payInvoiceTitle": "인보이스 결제",
+  "generatingInvoice": "인보이스 생성 중...",
+  "waitingForPayment": "결제 대기 중...",
+  "paymentReceived": "결제 완료",
+  "tokensIssued": "토큰이 발행되었습니다!",
+  "error": "오류",
+  "unknownError": "알 수 없는 오류",
+  "back": "뒤로",
+  "copyInvoice": "인보이스 복사",
+  "description": "설명:",
+  "invoiceCopiedToClipboard": "인보이스가 클립보드에 복사되었습니다",
+  "deposited": "{amount} {unit} 입금됨",
+  "@deposited": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "pasteLightningInvoice": "Lightning 인보이스를 붙여넣으세요:",
+  "gettingQuote": "견적 조회 중...",
+  "validInvoice": "유효한 인보이스",
+  "invalidInvoice": "유효하지 않은 인보이스",
+  "invalidInvoiceMalformed": "유효하지 않거나 손상된 인보이스",
+  "feeReserved": "예약 수수료:",
+  "total": "총액:",
+  "paying": "결제 중...",
+  "payInvoice": "인보이스 결제",
+  "confirmPayment": "결제 확인",
+  "pay": "결제",
+  "fee": "수수료",
+  "invoiceExpired": "인보이스 만료됨",
+  "amountOutOfRange": "허용 범위를 벗어난 금액",
+  "resolvingType": "{type} 확인 중...",
+  "@resolvingType": {
+    "placeholders": {
+      "type": { "type": "String" }
+    }
+  },
+  "invoiceAlreadyPaid": "이미 결제된 인보이스",
+  "paymentError": "결제 오류: {error}",
+  "@paymentError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "sent": "{amount} {unit} 전송됨",
+  "@sent": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "filterAll": "전체",
+  "filterPending": "대기 중",
+  "filterEcash": "Ecash",
+  "filterLightning": "Lightning",
+  "receiveTokensToStart": "시작하려면 Cashu 토큰을 받으세요",
+  "noPendingTransactions": "대기 중인 거래 없음",
+  "allTransactionsCompleted": "모든 거래가 완료되었습니다",
+  "noEcashTransactions": "Ecash 거래 없음",
+  "sendOrReceiveTokens": "Cashu 토큰을 보내거나 받으세요",
+  "noLightningTransactions": "Lightning 거래 없음",
+  "depositOrWithdrawLightning": "Lightning으로 입금 또는 출금",
+  "pendingStatus": "대기 중",
+  "receivedStatus": "받음",
+  "sentStatus": "보냄",
+  "now": "방금",
+  "agoMinutes": "{minutes}분 전",
+  "@agoMinutes": {
+    "placeholders": {
+      "minutes": { "type": "int" }
+    }
+  },
+  "agoHours": "{hours}시간 전",
+  "@agoHours": {
+    "placeholders": {
+      "hours": { "type": "int" }
+    }
+  },
+  "agoDays": "{days}일 전",
+  "@agoDays": {
+    "placeholders": {
+      "days": { "type": "int" }
+    }
+  },
+  "lightningInvoice": "Lightning 인보이스",
+  "receivedEcash": "Ecash 받음",
+  "sentEcash": "Ecash 보냄",
+  "outgoingLightningPayment": "Lightning 송금",
+  "invoiceNotAvailable": "인보이스를 사용할 수 없음",
+  "tokenNotAvailable": "토큰을 사용할 수 없음",
+  "unit": "단위",
+  "status": "상태",
+  "pending": "대기 중",
+  "memo": "메모",
+  "copyInvoiceButton": "인보이스 복사",
+  "copyButton": "복사",
+  "invoiceCopied": "인보이스 복사됨",
+  "tokenCopied": "토큰 복사됨",
+  "speed": "속도:",
+
+  "settings": "설정",
+  "walletSection": "지갑",
+  "backupSeedPhrase": "시드 문구 백업",
+  "viewRecoveryWords": "복구 단어 보기",
+  "connectedMints": "연결된 Mint",
+  "manageCashuMints": "Cashu mint 관리",
+  "pinAccess": "PIN 잠금",
+  "pinEnabled": "활성화됨",
+  "protectWithPin": "PIN으로 앱 보호",
+  "recoverTokens": "토큰 복구",
+  "scanMintsWithSeed": "시드 문구로 mint 스캔",
+  "appearanceSection": "언어",
+  "language": "언어",
+  "informationSection": "정보",
+  "version": "버전",
+  "about": "정보",
+  "deleteWallet": "지갑 삭제",
+  "spanish": "Español",
+  "english": "English",
+  "portuguese": "Português",
+  "french": "Français",
+  "russian": "Русский",
+  "german": "Deutsch",
+  "italian": "Italiano",
+  "korean": "한국어",
+  "chinese": "中文",
+  "japanese": "日本語",
+  "swahili": "Kiswahili",
+
+  "mnemonicNotFound": "니모닉을 찾을 수 없음",
+  "createPin": "PIN 만들기",
+  "enterPinDigits": "4자리 PIN을 입력하세요",
+  "confirmPin": "PIN 확인",
+  "enterPinAgain": "PIN을 다시 입력하세요",
+  "pinMismatch": "PIN이 일치하지 않습니다",
+  "pinActivated": "PIN 활성화됨",
+  "pinDeactivated": "PIN 비활성화됨",
+  "verifyPin": "PIN 확인",
+  "enterCurrentPin": "현재 PIN을 입력하세요",
+  "incorrectPin": "잘못된 PIN",
+  "selectLanguage": "언어 선택",
+  "languageChanged": "언어가 {language}(으)로 변경되었습니다",
+  "@languageChanged": {
+    "placeholders": {
+      "language": { "type": "String" }
+    }
+  },
+  "close": "닫기",
+  "aboutDescription": "전 세계를 위한 쿠바 DNA를 가진 Cashu 지갑. LaChispa의 형제.",
+  "couldNotOpenLink": "링크를 열 수 없음",
+
+  "deleteWalletQuestion": "지갑을 삭제하시겠습니까?",
+  "actionIrreversible": "이 작업은 되돌릴 수 없습니다",
+  "deleteWalletWarning": "시드 문구와 토큰을 포함한 모든 데이터가 삭제됩니다. 백업이 있는지 확인하세요.",
+  "typeDeleteToConfirm": "확인하려면 \"삭제\"를 입력하세요:",
+  "deleteConfirmWord": "삭제",
+  "deleteError": "삭제 오류: {error}",
+  "@deleteError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "recoverTokensTitle": "토큰 복구",
+  "recoverTokensDescription": "시드 문구와 연결된 토큰을 복구하기 위해 mint 스캔 (NUT-13)",
+  "useCurrentSeedPhrase": "현재 시드 문구 사용",
+  "scanWithSavedWords": "저장된 12개 단어로 mint 스캔",
+  "useOtherSeedPhrase": "다른 시드 문구 사용",
+  "recoverFromOtherWords": "다른 12개 단어에서 토큰 복구",
+  "mintsToScan": "스캔할 Mint:",
+  "allMints": "모든 mint ({count}개)",
+  "@allMints": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "specificMint": "특정 mint",
+  "enterMnemonicWords": "공백으로 구분된 12개 단어를 입력하세요...",
+  "scanMints": "Mint 스캔",
+  "selectMintToScan": "스캔할 mint 선택",
+  "mnemonicMustHaveWords": "니모닉은 12개 또는 24개 단어여야 합니다",
+  "noConnectedMintsToScan": "스캔할 연결된 mint 없음",
+  "recoveredTokens": "{mints}개 mint에서 {tokens} 복구됨!",
+  "@recoveredTokens": {
+    "placeholders": {
+      "tokens": { "type": "String" },
+      "mints": { "type": "int" }
+    }
+  },
+  "scanCompleteNoTokens": "스캔 완료. 새 토큰을 찾지 못했습니다.",
+  "mintsWithError": "({count}개 mint 오류)",
+  "@mintsWithError": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "recoveredFromMint": "{mint}에서 {tokens} 복구됨!",
+  "@recoveredFromMint": {
+    "placeholders": {
+      "tokens": { "type": "String" },
+      "mint": { "type": "String" }
+    }
+  },
+  "noTokensFoundInMint": "{mint}에서 토큰을 찾을 수 없음.",
+  "@noTokensFoundInMint": {
+    "placeholders": {
+      "mint": { "type": "String" }
+    }
+  },
+  "recoveredAndTransferred": "{amount} {unit}이(가) 지갑으로 복구 및 전송되었습니다!",
+  "@recoveredAndTransferred": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+  "noTokensForMnemonic": "해당 니모닉과 연결된 토큰을 찾을 수 없음.",
+
+  "noConnectedMints": "연결된 mint 없음",
+  "addMintToStart": "시작하려면 mint를 추가하세요",
+  "addMint": "Mint 추가",
+  "mintDeleted": "Mint 삭제됨",
+  "activeMintUpdated": "활성 mint 업데이트됨",
+  "mintUrl": "Mint URL:",
+  "mintUrlPlaceholder": "https://mint.example.com",
+  "urlMustStartWithHttps": "URL은 https://로 시작해야 합니다",
+  "connectingToMint": "Mint에 연결 중...",
+  "mintAddedSuccessfully": "Mint가 성공적으로 추가되었습니다",
+  "couldNotConnectToMint": "Mint에 연결할 수 없음",
+  "add": "추가",
+
+  "success": "성공",
+  "loading": "로딩 중...",
+  "retry": "다시 시도",
+
+  "activeMint": "활성 Mint",
+  "mintMessage": "Mint 메시지",
+  "url": "URL",
+  "currency": "통화",
+  "unknown": "알 수 없음",
+  "useThisMint": "이 mint 사용",
+  "copyMintUrl": "Mint URL 복사",
+  "deleteMint": "Mint 삭제",
+  "copied": "{label} 복사됨",
+  "@copied": {
+    "placeholders": {
+      "label": { "type": "String" }
+    }
+  },
+  "deleteMintConfirmTitle": "Mint 삭제",
+  "deleteMintConfirmMessage": "이 mint에 잔액이 있으면 잃게 됩니다. 확실합니까?",
+  "delete": "삭제",
+
+  "offlineSend": "오프라인 전송",
+  "selectAll": "전체",
+  "deselectAll": "없음",
+  "selectNotesToSend": "보낼 노트를 선택하세요:",
+  "totalToSend": "보낼 총액",
+  "notesSelected": "{count}개 노트 선택됨",
+  "@notesSelected": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "loadingProofsError": "증명 로드 오류: {error}",
+  "@loadingProofsError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "creatingTokenError": "토큰 생성 오류: {error}",
+  "@creatingTokenError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "unknownState": "알 수 없는 상태",
+  "depositAmountTitle": "{amount} {unit} 입금",
+  "@depositAmountTitle": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "receiveNow": "지금 받기",
+  "receiveLater": "나중에 받기",
+  "tokenSavedForLater": "나중에 청구하기 위해 토큰이 저장되었습니다",
+  "noConnectionTokenSaved": "연결 없음. 나중에 청구하기 위해 토큰이 저장되었습니다.",
+  "unknownMintOffline": "이 토큰은 알 수 없는 mint의 것입니다. 인터넷에 연결하여 추가하고 토큰을 청구하세요.",
+  "noConnectionTryLater": "Mint에 연결할 수 없음. 나중에 다시 시도하세요.",
+  "saveTokenError": "토큰 저장 오류. 다시 시도해 주세요.",
+  "pendingTokenLimitReached": "대기 중 토큰 한도 도달 (최대 50개)",
+  "filterToReceive": "받을 항목",
+  "noPendingTokens": "대기 중인 토큰 없음",
+  "noPendingTokensHint": "나중에 청구할 토큰을 저장하세요",
+  "pendingBadge": "대기 중",
+  "expiresInDays": "{days, plural, =1{1일 후 만료} other{{days}일 후 만료}}",
+  "@expiresInDays": {
+    "placeholders": {
+      "days": { "type": "int" }
+    }
+  },
+  "retryCount": "{count}회 재시도",
+  "@retryCount": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "claimNow": "지금 청구",
+  "pendingTokenClaimedSuccess": "{amount} {unit} 청구됨",
+  "@pendingTokenClaimedSuccess": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+  "pendingTokensClaimed": "{count, plural, =1{1개 토큰 청구됨 ({amount} {unit})} other{{count}개 토큰 청구됨 ({amount} {unit})}}",
+  "@pendingTokensClaimed": {
+    "placeholders": {
+      "count": { "type": "int" },
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "scan": "스캔",
+  "scanQrCode": "QR 스캔",
+  "scanCashuToken": "Cashu 토큰 스캔",
+  "scanLightningInvoice": "인보이스 스캔",
+  "scanningAnimatedQr": "애니메이션 QR 스캔 중...",
+  "pointCameraAtQr": "카메라를 QR 코드에 맞추세요",
+  "pointCameraAtCashuQr": "카메라를 Cashu 토큰 QR에 맞추세요",
+  "pointCameraAtInvoiceQr": "카메라를 인보이스 QR에 맞추세요",
+  "unrecognizedQrCode": "인식할 수 없는 QR 코드",
+  "scanCashuTokenHint": "Cashu 토큰 스캔 (cashuA... 또는 cashuB...)",
+  "scanLightningInvoiceHint": "Lightning 인보이스 스캔 (lnbc...)",
+  "addMintQuestion": "이 mint를 추가하시겠습니까?",
+  "cameraPermissionDenied": "카메라 권한이 거부되었습니다",
+  "paymentRequestTitle": "결제 요청",
+  "paymentRequestFrom": "요청자",
+  "paymentRequestAmount": "요청 금액",
+  "paymentRequestDescription": "설명",
+  "paymentRequestMints": "허용된 민트",
+  "paymentRequestAnyMint": "모든 민트",
+  "paymentRequestPay": "결제",
+  "paymentRequestPaying": "결제 중...",
+  "paymentRequestSuccess": "결제가 성공적으로 전송되었습니다",
+  "paymentRequestNoTransport": "이 요청에는 전달 방법이 설정되지 않았습니다",
+  "paymentRequestTransport": "전송 방식",
+  "paymentRequestMintNotAccepted": "활성 민트가 허용된 민트 목록에 없습니다",
+  "paymentRequestUnitMismatch": "호환되지 않는 단위: 요청에 {unit}이(가) 필요합니다",
+  "paymentRequestInsufficientBalance": "잔액 부족",
+  "paymentRequestErrorParsing": "결제 요청을 읽는 중 오류 발생",
+
+  "p2pkTitle": "P2PK 키",
+  "p2pkSettingsDescription": "잠긴 ecash 받기",
+  "p2pkExperimental": "P2PK는 실험적 기능입니다. 주의하여 사용하세요.",
+  "p2pkPendingSendWarning": "대기 중인 P2PK 전송이 있습니다. 수신자가 토큰을 수령한 후 기록에서 새로고침하세요.",
+  "p2pkExperimentalShort": "실험적",
+  "p2pkPrimaryKey": "기본 키",
+  "p2pkDerived": "파생됨",
+  "p2pkImported": "가져옴",
+  "p2pkImportedKeys": "가져온 키",
+  "p2pkNoImportedKeys": "가져온 키가 없습니다",
+  "p2pkShowQR": "QR 표시",
+  "p2pkCopy": "복사",
+  "p2pkImportNsec": "nsec 가져오기",
+  "p2pkImport": "가져오기",
+  "p2pkEnterLabel": "이 키의 이름",
+  "p2pkLockToKey": "P2PK 서명으로 전송",
+  "p2pkLockDescription": "수신자만 청구 가능",
+  "p2pkReceiverPubkey": "npub1... 또는 hex (64/66자)",
+  "p2pkInvalidPubkey": "유효하지 않은 공개 키",
+  "p2pkInvalidPrivateKey": "유효하지 않은 개인 키",
+  "p2pkLockedToYou": "당신에게 잠김",
+  "p2pkLockedToOther": "다른 키로 잠김",
+  "p2pkCannotUnlock": "이 토큰을 잠금 해제할 키가 없습니다",
+  "p2pkEnterPrivateKey": "개인 키 입력 (nsec)",
+  "p2pkDeleteTitle": "키 삭제",
+  "p2pkDeleteConfirm": "이 키를 삭제하시겠습니까? 이 키로 잠긴 토큰을 받을 수 없게 됩니다.",
+  "p2pkRequiresConnection": "P2PK는 mint 연결이 필요합니다",
+  "p2pkErrorMaxKeysReached": "가져온 키의 최대 개수에 도달했습니다 (10)",
+  "p2pkErrorInvalidNsec": "유효하지 않은 nsec",
+  "p2pkErrorKeyAlreadyExists": "이 키는 이미 존재합니다",
+  "p2pkErrorKeyNotFound": "키를 찾을 수 없습니다",
+  "p2pkErrorCannotDeletePrimary": "기본 키는 삭제할 수 없습니다",
+
+  "request": "요청",
+  "requestPayment": "결제 요청",
+  "requestPaymentDescription": "통합 결제 요청 생성",
+  "generateRequest": "요청 생성",
+  "generatingRequest": "생성 중...",
+  "requestPaymentReceived": "결제가 수신되었습니다",
+  "requestDescriptionHint": "설명 (선택사항)",
+  "universal": "유니버설",
+  "copiedToClipboard": "클립보드에 복사되었습니다"
+}

lib/l10n/app_pt.arb

@@ -52,6 +52,7 @@
     }
   },
   "needWords": "(você precisa de 12 ou 24)",
+  "restoreScanningMint": "Escaneando mint em busca de tokens...",
   "restoreError": "Erro ao restaurar: {error}",
   "@restoreError": {
     "placeholders": {
@@ -136,6 +137,20 @@
   },
   "keepTokenWarning": "Guarde este token até que o destinatário o resgate. Se você perdê-lo, perderá os fundos.",
   "tokenCopiedToClipboard": "Token copiado para área de transferência",
+  "copyAsEmoji": "Copiar como emoji",
+  "emojiCopiedToClipboard": "Token copiado como emoji 🥜",
+  "peanutDecodeError": "Não foi possível decodificar o token emoji. Pode estar corrompido.",
+
+  "nfcWrite": "Escrever em tag NFC",
+  "nfcRead": "Ler tag NFC",
+  "nfcHoldNear": "Aproxime o dispositivo da tag NFC...",
+  "nfcWriteSuccess": "Token escrito na tag NFC",
+  "nfcWriteError": "Erro NFC ao escrever: {error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "Erro NFC ao ler: {error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFC está desativado. Ative nas Configurações.",
+  "nfcUnsupported": "Este dispositivo não suporta NFC",
 
   "amountToDeposit": "Valor a depositar:",
   "descriptionOptional": "Descrição (opcional):",
@@ -269,6 +284,12 @@
   "portuguese": "Português",
   "french": "Français",
   "russian": "Русский",
+  "german": "Deutsch",
+  "italian": "Italiano",
+  "korean": "한국어",
+  "chinese": "中文",
+  "japanese": "日本語",
+  "swahili": "Kiswahili",
 
   "mnemonicNotFound": "Mnemônico não encontrado",
   "createPin": "Criar PIN",
@@ -289,7 +310,7 @@
     }
   },
   "close": "Fechar",
-  "aboutDescription": "Uma wallet Cashu com DNA cubano para o mundo inteiro. Irmã de La Chispa.",
+  "aboutDescription": "Uma wallet Cashu com DNA cubano para o mundo inteiro. Irmã de LaChispa.",
   "couldNotOpenLink": "Não foi possível abrir o link",
 
   "deleteWalletQuestion": "Apagar wallet?",
@@ -395,6 +416,8 @@
   "delete": "Excluir",
 
   "offlineSend": "Envio Offline",
+  "selectAll": "Tudo",
+  "deselectAll": "Nenhum",
   "selectNotesToSend": "Selecione as notas que deseja enviar:",
   "totalToSend": "Total a enviar",
   "notesSelected": "{count} notas selecionadas",
@@ -479,5 +502,62 @@
   "scanLightningInvoiceHint": "Escaneie um invoice Lightning (lnbc...)",
   "addMintQuestion": "Adicionar este mint?",
   "cameraPermissionDenied": "Permissão de câmera negada",
-  "paymentRequestNotSupported": "Solicitações de pagamento ainda não são suportadas"
+  "paymentRequestTitle": "Solicitação de pagamento",
+  "paymentRequestFrom": "Solicitação de",
+  "paymentRequestAmount": "Valor solicitado",
+  "paymentRequestDescription": "Descrição",
+  "paymentRequestMints": "Mints aceitos",
+  "paymentRequestAnyMint": "Qualquer mint",
+  "paymentRequestPay": "Pagar",
+  "paymentRequestPaying": "Pagando...",
+  "paymentRequestSuccess": "Pagamento enviado com sucesso",
+  "paymentRequestNoTransport": "Esta solicitação não tem método de entrega configurado",
+  "paymentRequestTransport": "Transporte",
+  "paymentRequestMintNotAccepted": "Seu mint ativo não está na lista de mints aceitos",
+  "paymentRequestUnitMismatch": "Unidade incompatível: a solicitação requer {unit}",
+  "paymentRequestInsufficientBalance": "Saldo insuficiente",
+  "paymentRequestErrorParsing": "Erro ao ler a solicitação de pagamento",
+
+  "p2pkTitle": "Chaves P2PK",
+  "p2pkSettingsDescription": "Receber ecash bloqueado",
+  "p2pkExperimental": "P2PK é experimental. Use com cautela.",
+  "p2pkPendingSendWarning": "Você tem um envio P2PK pendente. Vá ao histórico e atualize após o destinatário resgatar o token.",
+  "p2pkExperimentalShort": "Experimental",
+  "p2pkPrimaryKey": "Chave Principal",
+  "p2pkDerived": "Derivada",
+  "p2pkImported": "Importada",
+  "p2pkImportedKeys": "Chaves Importadas",
+  "p2pkNoImportedKeys": "Nenhuma chave importada",
+  "p2pkShowQR": "Mostrar QR",
+  "p2pkCopy": "Copiar",
+  "p2pkImportNsec": "Importar nsec",
+  "p2pkImport": "Importar",
+  "p2pkEnterLabel": "Nome para esta chave",
+  "p2pkLockToKey": "Envio com assinatura P2PK",
+  "p2pkLockDescription": "Apenas o destinatário pode resgatar",
+  "p2pkReceiverPubkey": "npub1... ou hex (64/66 caracteres)",
+  "p2pkInvalidPubkey": "Chave pública inválida",
+  "p2pkInvalidPrivateKey": "Chave privada inválida",
+  "p2pkLockedToYou": "Bloqueado para você",
+  "p2pkLockedToOther": "Bloqueado para outra chave",
+  "p2pkCannotUnlock": "Você não tem a chave para desbloquear este token",
+  "p2pkEnterPrivateKey": "Digite a chave privada (nsec)",
+  "p2pkDeleteTitle": "Excluir chave",
+  "p2pkDeleteConfirm": "Excluir esta chave? Você não poderá receber tokens bloqueados para ela.",
+  "p2pkRequiresConnection": "P2PK requer conexão com o mint",
+  "p2pkErrorMaxKeysReached": "Número máximo de chaves importadas atingido (10)",
+  "p2pkErrorInvalidNsec": "nsec inválido",
+  "p2pkErrorKeyAlreadyExists": "Esta chave já existe",
+  "p2pkErrorKeyNotFound": "Chave não encontrada",
+  "p2pkErrorCannotDeletePrimary": "Não é possível excluir a chave principal",
+
+  "request": "Solicitar",
+  "requestPayment": "Solicitar pagamento",
+  "requestPaymentDescription": "Gerar solicitação de pagamento unificada",
+  "generateRequest": "Gerar solicitação",
+  "generatingRequest": "Gerando solicitação...",
+  "requestPaymentReceived": "Pagamento recebido",
+  "requestDescriptionHint": "Descrição (opcional)",
+  "universal": "Universal",
+  "copiedToClipboard": "Copiado para a área de transferência"
 }

lib/l10n/app_ru.arb

@@ -52,6 +52,7 @@
     }
   },
   "needWords": "(нужно 12 или 24)",
+  "restoreScanningMint": "Сканирование минта на наличие токенов...",
   "restoreError": "Ошибка восстановления: {error}",
   "@restoreError": {
     "placeholders": {
@@ -136,6 +137,20 @@
   },
   "keepTokenWarning": "Сохраните этот токен, пока получатель не заберёт его. Если потеряете — потеряете средства.",
   "tokenCopiedToClipboard": "Токен скопирован в буфер обмена",
+  "copyAsEmoji": "Скопировать как эмодзи",
+  "emojiCopiedToClipboard": "Токен скопирован как эмодзи 🥜",
+  "peanutDecodeError": "Не удалось декодировать эмодзи-токен. Возможно, он повреждён.",
+
+  "nfcWrite": "Записать на NFC-метку",
+  "nfcRead": "Читать NFC-метку",
+  "nfcHoldNear": "Поднесите устройство к NFC-метке...",
+  "nfcWriteSuccess": "Токен записан на NFC-метку",
+  "nfcWriteError": "Ошибка записи NFC: {error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "Ошибка чтения NFC: {error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFC отключён. Включите в Настройках.",
+  "nfcUnsupported": "Это устройство не поддерживает NFC",
 
   "amountToDeposit": "Сумма для пополнения:",
   "descriptionOptional": "Описание (необязательно):",
@@ -269,6 +284,12 @@
   "portuguese": "Português",
   "french": "Français",
   "russian": "Русский",
+  "german": "Deutsch",
+  "italian": "Italiano",
+  "korean": "한국어",
+  "chinese": "中文",
+  "japanese": "日本語",
+  "swahili": "Kiswahili",
 
   "mnemonicNotFound": "Мнемоника не найдена",
   "createPin": "Создать PIN",
@@ -289,7 +310,7 @@
     }
   },
   "close": "Закрыть",
-  "aboutDescription": "Cashu кошелёк с кубинской ДНК для всего мира. Брат La Chispa.",
+  "aboutDescription": "Cashu кошелёк с кубинской ДНК для всего мира. Брат LaChispa.",
   "couldNotOpenLink": "Не удалось открыть ссылку",
 
   "deleteWalletQuestion": "Удалить кошелёк?",
@@ -395,6 +416,8 @@
   "delete": "Удалить",
 
   "offlineSend": "Офлайн отправка",
+  "selectAll": "Все",
+  "deselectAll": "Ничего",
   "selectNotesToSend": "Выберите заметки для отправки:",
   "totalToSend": "Итого к отправке",
   "notesSelected": "{count} заметок выбрано",
@@ -479,5 +502,62 @@
   "scanLightningInvoiceHint": "Сканируйте Lightning счёт (lnbc...)",
   "addMintQuestion": "Добавить этот mint?",
   "cameraPermissionDenied": "Доступ к камере запрещён",
-  "paymentRequestNotSupported": "Запросы на оплату пока не поддерживаются"
+  "paymentRequestTitle": "Запрос на оплату",
+  "paymentRequestFrom": "Запрос от",
+  "paymentRequestAmount": "Запрошенная сумма",
+  "paymentRequestDescription": "Описание",
+  "paymentRequestMints": "Принимаемые минты",
+  "paymentRequestAnyMint": "Любой минт",
+  "paymentRequestPay": "Оплатить",
+  "paymentRequestPaying": "Оплата...",
+  "paymentRequestSuccess": "Платёж успешно отправлен",
+  "paymentRequestNoTransport": "В этом запросе не настроен метод доставки",
+  "paymentRequestTransport": "Транспорт",
+  "paymentRequestMintNotAccepted": "Ваш активный минт не в списке принимаемых",
+  "paymentRequestUnitMismatch": "Несовместимая единица: запрос требует {unit}",
+  "paymentRequestInsufficientBalance": "Недостаточный баланс",
+  "paymentRequestErrorParsing": "Ошибка чтения запроса на оплату",
+
+  "p2pkTitle": "Ключи P2PK",
+  "p2pkSettingsDescription": "Получить заблокированный ecash",
+  "p2pkExperimental": "P2PK экспериментальный. Используйте с осторожностью.",
+  "p2pkPendingSendWarning": "У вас есть ожидающая отправка P2PK. Перейдите в историю и обновите после того, как получатель заберёт токен.",
+  "p2pkExperimentalShort": "Экспериментальный",
+  "p2pkPrimaryKey": "Основной ключ",
+  "p2pkDerived": "Производный",
+  "p2pkImported": "Импортированный",
+  "p2pkImportedKeys": "Импортированные ключи",
+  "p2pkNoImportedKeys": "Нет импортированных ключей",
+  "p2pkShowQR": "Показать QR",
+  "p2pkCopy": "Копировать",
+  "p2pkImportNsec": "Импортировать nsec",
+  "p2pkImport": "Импортировать",
+  "p2pkEnterLabel": "Имя для этого ключа",
+  "p2pkLockToKey": "Отправка с подписью P2PK",
+  "p2pkLockDescription": "Только получатель может получить",
+  "p2pkReceiverPubkey": "npub1... или hex (64/66 символов)",
+  "p2pkInvalidPubkey": "Недействительный публичный ключ",
+  "p2pkInvalidPrivateKey": "Недействительный приватный ключ",
+  "p2pkLockedToYou": "Заблокировано для вас",
+  "p2pkLockedToOther": "Заблокировано для другого ключа",
+  "p2pkCannotUnlock": "У вас нет ключа для разблокировки этого токена",
+  "p2pkEnterPrivateKey": "Введите приватный ключ (nsec)",
+  "p2pkDeleteTitle": "Удалить ключ",
+  "p2pkDeleteConfirm": "Удалить этот ключ? Вы не сможете получать токены заблокированные на него.",
+  "p2pkRequiresConnection": "P2PK требует подключения к mint",
+  "p2pkErrorMaxKeysReached": "Достигнуто максимальное количество импортированных ключей (10)",
+  "p2pkErrorInvalidNsec": "Недействительный nsec",
+  "p2pkErrorKeyAlreadyExists": "Этот ключ уже существует",
+  "p2pkErrorKeyNotFound": "Ключ не найден",
+  "p2pkErrorCannotDeletePrimary": "Невозможно удалить основной ключ",
+
+  "request": "Запросить",
+  "requestPayment": "Запросить платёж",
+  "requestPaymentDescription": "Создать унифицированный запрос на оплату",
+  "generateRequest": "Создать запрос",
+  "generatingRequest": "Создание запроса...",
+  "requestPaymentReceived": "Платёж получен",
+  "requestDescriptionHint": "Описание (необязательно)",
+  "universal": "Универсальный",
+  "copiedToClipboard": "Скопировано в буфер обмена"
 }

lib/l10n/app_sw.arb

@@ -0,0 +1,563 @@
+{
+  "@@locale": "sw",
+
+  "appName": "ElCaju",
+  "appTagline": "Pochi yako ya faragha ya ecash",
+  "loadingMessage1": "Kusimba sarafu zako...",
+  "loadingMessage2": "Kuandaa e-tokeni zako...",
+  "loadingMessage3": "Kuunganisha na Mint...",
+  "loadingMessage4": "Faragha kwa chaguo-msingi.",
+  "loadingMessage5": "Kusaini tokeni kwa upofu...",
+  "loadingMessage6": "Go full Calle...",
+  "loadingMessage7": "Cashu + Bitchat = Faragha + Uhuru",
+  "aboutTagline": "Faragha bila mipaka.",
+
+  "welcomeTitle": "Karibu ElCaju",
+  "welcomeSubtitle": "Cashu kwa ulimwengu. Imetengenezwa Cuba.",
+
+  "createWallet": "Unda pochi mpya",
+  "restoreWallet": "Rejesha pochi",
+
+  "createWalletTitle": "Unda pochi",
+  "creatingWallet": "Kuunda pochi yako...",
+  "generatingSeed": "Kutengeneza maneno yako ya mbegu kwa usalama",
+  "createWalletDescription": "Maneno 12 ya mbegu yatatengenezwa.\nYahifadhi mahali salama.",
+  "generateWallet": "Tengeneza pochi",
+
+  "walletCreated": "Pochi imeundwa!",
+  "walletCreatedDescription": "Pochi yako iko tayari. Tunakushauri uhifadhi nakala ya maneno yako ya mbegu sasa.",
+  "backupWarning": "Bila nakala, utapoteza uwezo wa kufikia fedha zako ukipoteza kifaa.",
+  "backupNow": "Hifadhi nakala sasa",
+  "backupLater": "Fanya baadaye",
+
+  "backupTitle": "Nakala rudufu",
+  "seedPhraseTitle": "Maneno yako ya mbegu",
+  "seedPhraseDescription": "Hifadhi maneno haya 12 kwa mpangilio. Ndiyo njia pekee ya kurejesha pochi yako.",
+  "revealSeedPhrase": "Onyesha maneno ya mbegu",
+  "tapToReveal": "Bofya kitufe kuonyesha\nmaneno yako ya mbegu",
+  "copyToClipboard": "Nakili kwenye ubao wa kunakili",
+  "seedCopied": "Maneno yamenakiliwa kwenye ubao",
+  "neverShareSeed": "Usishiriki maneno yako ya mbegu na mtu yeyote.",
+  "confirmBackup": "Nimehifadhi maneno yangu ya mbegu mahali salama",
+  "continue_": "Endelea",
+
+  "restoreTitle": "Rejesha pochi",
+  "enterSeedPhrase": "Ingiza maneno yako ya mbegu",
+  "enterSeedDescription": "Andika maneno 12 au 24 yakitengwa na nafasi.",
+  "seedPlaceholder": "neno1 neno2 neno3 ...",
+  "wordCount": "maneno {count}",
+  "@wordCount": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "needWords": "(unahitaji 12 au 24)",
+  "restoreScanningMint": "Inatafuta tokeni zilizopo kwenye mint...",
+  "restoreError": "Hitilafu ya kurejesha: {error}",
+  "@restoreError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "homeTitle": "Nyumbani",
+  "receive": "Pokea",
+  "send": "Tuma",
+  "sendAction": "Tuma ↗",
+  "receiveAction": "↘ Pokea",
+  "deposit": "Weka",
+  "withdraw": "Toa",
+  "lightning": "Lightning",
+  "cashu": "Cashu",
+  "ecash": "Ecash",
+  "history": "Historia",
+  "noTransactions": "Hakuna miamala bado",
+  "depositOrReceive": "Weka au pokea sats kuanza",
+  "noMint": "Hakuna mint",
+
+  "balance": "Salio",
+  "sats": "sats",
+
+  "pasteEcashToken": "Bandika tokeni ya ecash",
+  "generateInvoiceToDeposit": "Tengeneza ankara ya kuweka",
+  "createEcashToken": "Unda tokeni ya ecash",
+  "payLightningInvoice": "Lipa ankara ya Lightning",
+
+  "receiveCashu": "Pokea Cashu",
+  "pasteTheCashuToken": "Bandika tokeni ya Cashu:",
+  "pasteFromClipboard": "Bandika kutoka ubao",
+  "validToken": "Tokeni halali",
+  "invalidToken": "Tokeni batili au imeharibika",
+  "amount": "Kiasi:",
+  "mint": "Mint:",
+  "claiming": "Kudai...",
+  "claimTokens": "Dai tokeni",
+  "tokensReceived": "Tokeni zimepokelewa",
+  "backToHome": "Rudi nyumbani",
+  "tokenAlreadyClaimed": "Tokeni hii tayari imedaiwa",
+  "unknownMint": "Tokeni kutoka mint isiyojulikana",
+  "claimError": "Hitilafu ya kudai: {error}",
+  "@claimError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "sendCashu": "Tuma Cashu",
+  "selectNotesManually": "Chagua noti kwa mkono",
+  "amountToSend": "Kiasi cha kutuma:",
+  "available": "Inapatikana:",
+  "max": "(Upeo)",
+  "memoOptional": "Memo (si lazima):",
+  "memoPlaceholder": "Malipo haya ni ya nini?",
+  "creatingToken": "Kuunda tokeni...",
+  "createToken": "Unda tokeni",
+  "noActiveMint": "Hakuna mint inayofanya kazi",
+  "offlineModeMessage": "Hakuna muunganisho. Kutumia hali ya nje ya mtandao...",
+  "confirmSend": "Thibitisha kutuma",
+  "confirm": "Thibitisha",
+  "cancel": "Ghairi",
+  "insufficientBalance": "Salio halitoshi",
+  "tokenCreationError": "Hitilafu ya kuunda tokeni: {error}",
+  "@tokenCreationError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "tokenCreated": "Tokeni imeundwa",
+  "copy": "Nakili",
+  "share": "Shiriki",
+  "tokenCashu": "Tokeni ya Cashu",
+  "tokenCashuAnimatedQr": "Tokeni ya Cashu (QR inayosogea - vipande {fragments} vya UR)",
+  "@tokenCashuAnimatedQr": {
+    "placeholders": {
+      "fragments": { "type": "int" }
+    }
+  },
+  "keepTokenWarning": "Hifadhi tokeni hii hadi mpokeaji aidai. Ukiipoteza, utapoteza fedha.",
+  "tokenCopiedToClipboard": "Tokeni imenakiliwa kwenye ubao",
+  "copyAsEmoji": "Nakili kama emoji",
+  "emojiCopiedToClipboard": "Tokeni imenakiliwa kama emoji 🥜",
+  "peanutDecodeError": "Imeshindwa kusimbua tokeni ya emoji. Inaweza kuwa imeharibika.",
+
+  "nfcWrite": "Andika kwenye NFC tag",
+  "nfcRead": "Soma NFC tag",
+  "nfcHoldNear": "Karibia kifaa kwenye NFC tag...",
+  "nfcWriteSuccess": "Tokeni imeandikwa kwenye NFC tag",
+  "nfcWriteError": "Hitilafu ya NFC kuandika: {error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "Hitilafu ya NFC kusoma: {error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFC imezimwa. Iwashe katika Mipangilio.",
+  "nfcUnsupported": "Kifaa hiki hakitumii NFC",
+
+  "amountToDeposit": "Kiasi cha kuweka:",
+  "descriptionOptional": "Maelezo (si lazima):",
+  "depositPlaceholder": "Amana hii ni ya nini?",
+  "generating": "Kutengeneza...",
+  "generateInvoice": "Tengeneza ankara",
+  "depositLightning": "Weka Lightning",
+
+  "payInvoiceTitle": "Lipa ankara",
+  "generatingInvoice": "Kutengeneza ankara...",
+  "waitingForPayment": "Kusubiri malipo...",
+  "paymentReceived": "Malipo yamepokelewa",
+  "tokensIssued": "Tokeni zimetolewa!",
+  "error": "Hitilafu",
+  "unknownError": "Hitilafu isiyojulikana",
+  "back": "Rudi",
+  "copyInvoice": "Nakili ankara",
+  "description": "Maelezo:",
+  "invoiceCopiedToClipboard": "Ankara imenakiliwa kwenye ubao",
+  "deposited": "{amount} {unit} zimewekwa",
+  "@deposited": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "pasteLightningInvoice": "Bandika ankara ya Lightning:",
+  "gettingQuote": "Kupata bei...",
+  "validInvoice": "Ankara halali",
+  "invalidInvoice": "Ankara batili",
+  "invalidInvoiceMalformed": "Ankara batili au imeharibika",
+  "feeReserved": "Ada iliyohifadhiwa:",
+  "total": "Jumla:",
+  "paying": "Kulipa...",
+  "payInvoice": "Lipa ankara",
+  "confirmPayment": "Thibitisha malipo",
+  "pay": "Lipa",
+  "fee": "ada",
+  "invoiceExpired": "Ankara imeisha muda",
+  "amountOutOfRange": "Kiasi nje ya masafa yanayoruhusiwa",
+  "resolvingType": "Kutatua {type}...",
+  "@resolvingType": {
+    "placeholders": {
+      "type": { "type": "String" }
+    }
+  },
+  "invoiceAlreadyPaid": "Ankara tayari imelipwa",
+  "paymentError": "Hitilafu ya malipo: {error}",
+  "@paymentError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "sent": "{amount} {unit} zimetumwa",
+  "@sent": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "filterAll": "Zote",
+  "filterPending": "Zinazosubiri",
+  "filterEcash": "Ecash",
+  "filterLightning": "Lightning",
+  "receiveTokensToStart": "Pokea tokeni za Cashu kuanza",
+  "noPendingTransactions": "Hakuna miamala inayosubiri",
+  "allTransactionsCompleted": "Miamala yako yote imekamilika",
+  "noEcashTransactions": "Hakuna miamala ya Ecash",
+  "sendOrReceiveTokens": "Tuma au pokea tokeni za Cashu",
+  "noLightningTransactions": "Hakuna miamala ya Lightning",
+  "depositOrWithdrawLightning": "Weka au toa kupitia Lightning",
+  "pendingStatus": "Inasubiri",
+  "receivedStatus": "Imepokelewa",
+  "sentStatus": "Imetumwa",
+  "now": "Sasa",
+  "agoMinutes": "Dakika {minutes} zilizopita",
+  "@agoMinutes": {
+    "placeholders": {
+      "minutes": { "type": "int" }
+    }
+  },
+  "agoHours": "Saa {hours} zilizopita",
+  "@agoHours": {
+    "placeholders": {
+      "hours": { "type": "int" }
+    }
+  },
+  "agoDays": "Siku {days} zilizopita",
+  "@agoDays": {
+    "placeholders": {
+      "days": { "type": "int" }
+    }
+  },
+  "lightningInvoice": "Ankara ya Lightning",
+  "receivedEcash": "Ecash Iliyopokelewa",
+  "sentEcash": "Ecash Iliyotumwa",
+  "outgoingLightningPayment": "Malipo ya Lightning Yanayotoka",
+  "invoiceNotAvailable": "Ankara haipatikani",
+  "tokenNotAvailable": "Tokeni haipatikani",
+  "unit": "Kitengo",
+  "status": "Hali",
+  "pending": "Inasubiri",
+  "memo": "Memo",
+  "copyInvoiceButton": "NAKILI ANKARA",
+  "copyButton": "NAKILI",
+  "invoiceCopied": "Ankara imenakiliwa",
+  "tokenCopied": "Tokeni imenakiliwa",
+  "speed": "KASI:",
+
+  "settings": "Mipangilio",
+  "walletSection": "POCHI",
+  "backupSeedPhrase": "Nakala ya maneno ya mbegu",
+  "viewRecoveryWords": "Tazama maneno yako ya kurejesha",
+  "connectedMints": "Mint zilizounganishwa",
+  "manageCashuMints": "Simamia mint zako za Cashu",
+  "pinAccess": "Ufikiaji wa PIN",
+  "pinEnabled": "Imewashwa",
+  "protectWithPin": "Linda programu kwa PIN",
+  "recoverTokens": "Rejesha tokeni",
+  "scanMintsWithSeed": "Changanua mint na maneno ya mbegu",
+  "appearanceSection": "LUGHA",
+  "language": "Lugha",
+  "informationSection": "MAELEZO",
+  "version": "Toleo",
+  "about": "Kuhusu",
+  "deleteWallet": "Futa pochi",
+  "spanish": "Español",
+  "english": "English",
+  "portuguese": "Português",
+  "french": "Français",
+  "russian": "Русский",
+  "german": "Deutsch",
+  "italian": "Italiano",
+  "korean": "한국어",
+  "chinese": "中文",
+  "japanese": "日本語",
+  "swahili": "Kiswahili",
+
+  "mnemonicNotFound": "Mnemonic haijapatikana",
+  "createPin": "Unda PIN",
+  "enterPinDigits": "Ingiza PIN ya tarakimu 4",
+  "confirmPin": "Thibitisha PIN",
+  "enterPinAgain": "Ingiza PIN tena",
+  "pinMismatch": "PIN hazilingani",
+  "pinActivated": "PIN imewashwa",
+  "pinDeactivated": "PIN imezimwa",
+  "verifyPin": "Thibitisha PIN",
+  "enterCurrentPin": "Ingiza PIN yako ya sasa",
+  "incorrectPin": "PIN si sahihi",
+  "selectLanguage": "Chagua lugha",
+  "languageChanged": "Lugha imebadilishwa kuwa {language}",
+  "@languageChanged": {
+    "placeholders": {
+      "language": { "type": "String" }
+    }
+  },
+  "close": "Funga",
+  "aboutDescription": "Pochi ya Cashu yenye DNA ya Cuba kwa ulimwengu wote. Ndugu wa LaChispa.",
+  "couldNotOpenLink": "Haikuweza kufungua kiungo",
+
+  "deleteWalletQuestion": "Futa pochi?",
+  "actionIrreversible": "Kitendo hiki hakiwezi kutenduliwa",
+  "deleteWalletWarning": "Data zote zitafutwa ikiwa ni pamoja na maneno yako ya mbegu na tokeni. Hakikisha una nakala.",
+  "typeDeleteToConfirm": "Andika \"FUTA\" kuthibitisha:",
+  "deleteConfirmWord": "FUTA",
+  "deleteError": "Hitilafu ya kufuta: {error}",
+  "@deleteError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "recoverTokensTitle": "Rejesha tokeni",
+  "recoverTokensDescription": "Changanua mint kurejesha tokeni zinazohusiana na maneno yako ya mbegu (NUT-13)",
+  "useCurrentSeedPhrase": "Tumia maneno yangu ya mbegu ya sasa",
+  "scanWithSavedWords": "Changanua mint na maneno 12 yaliyohifadhiwa",
+  "useOtherSeedPhrase": "Tumia maneno mengine ya mbegu",
+  "recoverFromOtherWords": "Rejesha tokeni kutoka maneno mengine 12",
+  "mintsToScan": "Mint za kuchanganua:",
+  "allMints": "Mint zote ({count})",
+  "@allMints": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "specificMint": "Mint maalum",
+  "enterMnemonicWords": "Ingiza maneno 12 yakitengwa na nafasi...",
+  "scanMints": "Changanua mint",
+  "selectMintToScan": "Chagua mint ya kuchanganua",
+  "mnemonicMustHaveWords": "Mnemonic lazima iwe na maneno 12 au 24",
+  "noConnectedMintsToScan": "Hakuna mint zilizounganishwa za kuchanganua",
+  "recoveredTokens": "Zimerejeshwa {tokens} kutoka mint {mints}!",
+  "@recoveredTokens": {
+    "placeholders": {
+      "tokens": { "type": "String" },
+      "mints": { "type": "int" }
+    }
+  },
+  "scanCompleteNoTokens": "Uchanganuzi umekamilika. Hakuna tokeni mpya zilizopatikana.",
+  "mintsWithError": "(mint {count} zenye hitilafu)",
+  "@mintsWithError": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "recoveredFromMint": "Zimerejeshwa {tokens} kutoka {mint}!",
+  "@recoveredFromMint": {
+    "placeholders": {
+      "tokens": { "type": "String" },
+      "mint": { "type": "String" }
+    }
+  },
+  "noTokensFoundInMint": "Hakuna tokeni zilizopatikana katika {mint}.",
+  "@noTokensFoundInMint": {
+    "placeholders": {
+      "mint": { "type": "String" }
+    }
+  },
+  "recoveredAndTransferred": "Zimerejeshwa na kuhamishwa {amount} {unit} kwenye pochi yako!",
+  "@recoveredAndTransferred": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+  "noTokensForMnemonic": "Hakuna tokeni zilizopatikana zinazohusiana na mnemonic hiyo.",
+
+  "noConnectedMints": "Hakuna mint zilizounganishwa",
+  "addMintToStart": "Ongeza mint kuanza",
+  "addMint": "Ongeza mint",
+  "mintDeleted": "Mint imefutwa",
+  "activeMintUpdated": "Mint inayofanya kazi imesasishwa",
+  "mintUrl": "URL ya mint:",
+  "mintUrlPlaceholder": "https://mint.example.com",
+  "urlMustStartWithHttps": "URL lazima ianze na https://",
+  "connectingToMint": "Kuunganisha na mint...",
+  "mintAddedSuccessfully": "Mint imeongezwa kwa mafanikio",
+  "couldNotConnectToMint": "Haikuweza kuunganisha na mint",
+  "add": "Ongeza",
+
+  "success": "Mafanikio",
+  "loading": "Inapakia...",
+  "retry": "Jaribu tena",
+
+  "activeMint": "Mint inayofanya kazi",
+  "mintMessage": "Ujumbe wa Mint",
+  "url": "URL",
+  "currency": "Sarafu",
+  "unknown": "Haijulikani",
+  "useThisMint": "Tumia mint hii",
+  "copyMintUrl": "Nakili URL ya mint",
+  "deleteMint": "Futa mint",
+  "copied": "{label} imenakiliwa",
+  "@copied": {
+    "placeholders": {
+      "label": { "type": "String" }
+    }
+  },
+  "deleteMintConfirmTitle": "Futa mint",
+  "deleteMintConfirmMessage": "Ukiwa na salio katika mint hii, itapotea. Una uhakika?",
+  "delete": "Futa",
+
+  "offlineSend": "Tuma Nje ya Mtandao",
+  "selectAll": "Zote",
+  "deselectAll": "Hakuna",
+  "selectNotesToSend": "Chagua noti unazotaka kutuma:",
+  "totalToSend": "Jumla ya kutuma",
+  "notesSelected": "noti {count} zimechaguliwa",
+  "@notesSelected": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "loadingProofsError": "Hitilafu ya kupakia uthibitisho: {error}",
+  "@loadingProofsError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "creatingTokenError": "Hitilafu ya kuunda tokeni: {error}",
+  "@creatingTokenError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "unknownState": "Hali isiyojulikana",
+  "depositAmountTitle": "Weka {amount} {unit}",
+  "@depositAmountTitle": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "receiveNow": "Pokea sasa",
+  "receiveLater": "Pokea baadaye",
+  "tokenSavedForLater": "Tokeni imehifadhiwa kudai baadaye",
+  "noConnectionTokenSaved": "Hakuna muunganisho. Tokeni imehifadhiwa kudai baadaye.",
+  "unknownMintOffline": "Tokeni hii ni kutoka mint isiyojulikana. Unganisha na mtandao kuongeza na kudai tokeni.",
+  "noConnectionTryLater": "Hakuna muunganisho na mint. Jaribu baadaye.",
+  "saveTokenError": "Hitilafu ya kuhifadhi tokeni. Jaribu tena.",
+  "pendingTokenLimitReached": "Kikomo cha tokeni zinazosubiri kimefikiwa (upeo 50)",
+  "filterToReceive": "Za kupokea",
+  "noPendingTokens": "Hakuna tokeni zinazosubiri",
+  "noPendingTokensHint": "Hifadhi tokeni kudai baadaye",
+  "pendingBadge": "INASUBIRI",
+  "expiresInDays": "{days, plural, =1{Inaisha siku 1} other{Inaisha siku {days}}}",
+  "@expiresInDays": {
+    "placeholders": {
+      "days": { "type": "int" }
+    }
+  },
+  "retryCount": "majaribio {count}",
+  "@retryCount": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "claimNow": "Dai sasa",
+  "pendingTokenClaimedSuccess": "Zimedaiwa {amount} {unit}",
+  "@pendingTokenClaimedSuccess": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+  "pendingTokensClaimed": "{count, plural, =1{Imedaiwa tokeni 1 ({amount} {unit})} other{Zimedaiwa tokeni {count} ({amount} {unit})}}",
+  "@pendingTokensClaimed": {
+    "placeholders": {
+      "count": { "type": "int" },
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "scan": "Changanua",
+  "scanQrCode": "Changanua QR",
+  "scanCashuToken": "Changanua tokeni ya Cashu",
+  "scanLightningInvoice": "Changanua ankara",
+  "scanningAnimatedQr": "Kuchanganua QR inayosogea...",
+  "pointCameraAtQr": "Elekeza kamera kwenye msimbo wa QR",
+  "pointCameraAtCashuQr": "Elekeza kamera kwenye QR ya tokeni ya Cashu",
+  "pointCameraAtInvoiceQr": "Elekeza kamera kwenye QR ya ankara",
+  "unrecognizedQrCode": "Msimbo wa QR haujatambuliwa",
+  "scanCashuTokenHint": "Changanua tokeni ya Cashu (cashuA... au cashuB...)",
+  "scanLightningInvoiceHint": "Changanua ankara ya Lightning (lnbc...)",
+  "addMintQuestion": "Ongeza mint hii?",
+  "cameraPermissionDenied": "Ruhusa ya kamera imekataliwa",
+  "paymentRequestTitle": "Ombi la malipo",
+  "paymentRequestFrom": "Ombi kutoka",
+  "paymentRequestAmount": "Kiasi kilichoombwa",
+  "paymentRequestDescription": "Maelezo",
+  "paymentRequestMints": "Mint zinazokubaliwa",
+  "paymentRequestAnyMint": "Mint yoyote",
+  "paymentRequestPay": "Lipa",
+  "paymentRequestPaying": "Inalipa...",
+  "paymentRequestSuccess": "Malipo yametumwa kwa mafanikio",
+  "paymentRequestNoTransport": "Ombi hili halina njia ya uwasilishaji iliyosanidiwa",
+  "paymentRequestTransport": "Njia ya usafirishaji",
+  "paymentRequestMintNotAccepted": "Mint yako hai haiko kwenye orodha ya mint zinazokubaliwa",
+  "paymentRequestUnitMismatch": "Kitengo kisichooana: ombi linahitaji {unit}",
+  "paymentRequestInsufficientBalance": "Salio haitoshi",
+  "paymentRequestErrorParsing": "Hitilafu wakati wa kusoma ombi la malipo",
+
+  "p2pkTitle": "Funguo za P2PK",
+  "p2pkSettingsDescription": "Pokea ecash iliyofungwa",
+  "p2pkExperimental": "P2PK ni ya majaribio. Tumia kwa uangalifu.",
+  "p2pkPendingSendWarning": "Una usafirishaji wa P2PK unaosubiri. Nenda kwenye historia na usasishe baada ya mpokeaji kudai tokeni.",
+  "p2pkExperimentalShort": "Majaribio",
+  "p2pkPrimaryKey": "Ufunguo Mkuu",
+  "p2pkDerived": "Iliyotokana",
+  "p2pkImported": "Iliyoingizwa",
+  "p2pkImportedKeys": "Funguo Zilizoingizwa",
+  "p2pkNoImportedKeys": "Hakuna funguo zilizoingizwa",
+  "p2pkShowQR": "Onyesha QR",
+  "p2pkCopy": "Nakili",
+  "p2pkImportNsec": "Ingiza nsec",
+  "p2pkImport": "Ingiza",
+  "p2pkEnterLabel": "Jina la ufunguo huu",
+  "p2pkLockToKey": "Tuma kwa saini ya P2PK",
+  "p2pkLockDescription": "Mpokeaji pekee anaweza kudai",
+  "p2pkReceiverPubkey": "npub1... au hex (herufi 64/66)",
+  "p2pkInvalidPubkey": "Ufunguo wa umma batili",
+  "p2pkInvalidPrivateKey": "Ufunguo wa siri batili",
+  "p2pkLockedToYou": "Imefungwa kwako",
+  "p2pkLockedToOther": "Imefungwa kwa ufunguo mwingine",
+  "p2pkCannotUnlock": "Huna ufunguo wa kufungua tokeni hii",
+  "p2pkEnterPrivateKey": "Ingiza ufunguo wa siri (nsec)",
+  "p2pkDeleteTitle": "Futa ufunguo",
+  "p2pkDeleteConfirm": "Futa ufunguo huu? Hutaweza kupokea tokeni zilizofungwa kwake.",
+  "p2pkRequiresConnection": "P2PK inahitaji muunganisho kwa mint",
+  "p2pkErrorMaxKeysReached": "Idadi ya juu ya funguo zilizoingizwa imefikiwa (10)",
+  "p2pkErrorInvalidNsec": "nsec batili",
+  "p2pkErrorKeyAlreadyExists": "Ufunguo huu tayari upo",
+  "p2pkErrorKeyNotFound": "Ufunguo haujapatikana",
+  "p2pkErrorCannotDeletePrimary": "Haiwezekani kufuta ufunguo mkuu",
+
+  "request": "Omba",
+  "requestPayment": "Omba malipo",
+  "requestPaymentDescription": "Tengeneza ombi la malipo la pamoja",
+  "generateRequest": "Tengeneza ombi",
+  "generatingRequest": "Inatengeneza ombi...",
+  "requestPaymentReceived": "Malipo limepokelewa",
+  "requestDescriptionHint": "Maelezo (si lazima)",
+  "universal": "Universal",
+  "copiedToClipboard": "Imenakiliwa kwenye ubao wa kunakili"
+}

lib/l10n/app_zh.arb

@@ -0,0 +1,563 @@
+{
+  "@@locale": "zh",
+
+  "appName": "ElCaju",
+  "appTagline": "您的私密电子现金钱包",
+  "loadingMessage1": "正在加密您的代币...",
+  "loadingMessage2": "正在准备您的电子代币...",
+  "loadingMessage3": "正在连接铸造厂...",
+  "loadingMessage4": "默认隐私保护。",
+  "loadingMessage5": "正在盲签代币...",
+  "loadingMessage6": "全力以赴...",
+  "loadingMessage7": "Cashu + Bitchat = 隐私 + 自由",
+  "aboutTagline": "无国界隐私。",
+
+  "welcomeTitle": "欢迎使用 ElCaju",
+  "welcomeSubtitle": "面向世界的 Cashu。古巴制造。",
+
+  "createWallet": "创建新钱包",
+  "restoreWallet": "恢复钱包",
+
+  "createWalletTitle": "创建钱包",
+  "creatingWallet": "正在创建您的钱包...",
+  "generatingSeed": "正在安全生成您的助记词",
+  "createWalletDescription": "将生成一个12词助记词。\n请将其保存在安全的地方。",
+  "generateWallet": "生成钱包",
+
+  "walletCreated": "钱包已创建！",
+  "walletCreatedDescription": "您的钱包已准备就绪。我们建议您现在备份助记词。",
+  "backupWarning": "如果没有备份，一旦丢失设备，您将无法访问您的资金。",
+  "backupNow": "立即备份",
+  "backupLater": "稍后备份",
+
+  "backupTitle": "备份",
+  "seedPhraseTitle": "您的助记词",
+  "seedPhraseDescription": "按顺序保存这12个单词。这是恢复钱包的唯一方式。",
+  "revealSeedPhrase": "显示助记词",
+  "tapToReveal": "点击按钮显示\n您的助记词",
+  "copyToClipboard": "复制到剪贴板",
+  "seedCopied": "助记词已复制到剪贴板",
+  "neverShareSeed": "切勿与任何人分享您的助记词。",
+  "confirmBackup": "我已将助记词保存在安全的地方",
+  "continue_": "继续",
+
+  "restoreTitle": "恢复钱包",
+  "enterSeedPhrase": "输入您的助记词",
+  "enterSeedDescription": "输入12或24个单词，用空格分隔。",
+  "seedPlaceholder": "单词1 单词2 单词3 ...",
+  "wordCount": "{count} 个单词",
+  "@wordCount": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "needWords": "（需要12或24个）",
+  "restoreScanningMint": "正在扫描铸造厂中的现有代币...",
+  "restoreError": "恢复错误：{error}",
+  "@restoreError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "homeTitle": "首页",
+  "receive": "收款",
+  "send": "付款",
+  "sendAction": "付款 ↗",
+  "receiveAction": "↘ 收款",
+  "deposit": "存入",
+  "withdraw": "提取",
+  "lightning": "闪电网络",
+  "cashu": "Cashu",
+  "ecash": "电子现金",
+  "history": "历史记录",
+  "noTransactions": "暂无交易",
+  "depositOrReceive": "存入或接收聪开始使用",
+  "noMint": "无铸造厂",
+
+  "balance": "余额",
+  "sats": "聪",
+
+  "pasteEcashToken": "粘贴电子现金代币",
+  "generateInvoiceToDeposit": "生成存款发票",
+  "createEcashToken": "创建电子现金代币",
+  "payLightningInvoice": "支付闪电发票",
+
+  "receiveCashu": "接收 Cashu",
+  "pasteTheCashuToken": "粘贴 Cashu 代币：",
+  "pasteFromClipboard": "从剪贴板粘贴",
+  "validToken": "有效代币",
+  "invalidToken": "无效或格式错误的代币",
+  "amount": "金额：",
+  "mint": "铸造厂：",
+  "claiming": "正在领取...",
+  "claimTokens": "领取代币",
+  "tokensReceived": "已收到代币",
+  "backToHome": "返回首页",
+  "tokenAlreadyClaimed": "此代币已被领取",
+  "unknownMint": "来自未知铸造厂的代币",
+  "claimError": "领取错误：{error}",
+  "@claimError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "sendCashu": "发送 Cashu",
+  "selectNotesManually": "手动选择票据",
+  "amountToSend": "发送金额：",
+  "available": "可用：",
+  "max": "（最大）",
+  "memoOptional": "备注（可选）：",
+  "memoPlaceholder": "这笔付款是用于什么？",
+  "creatingToken": "正在创建代币...",
+  "createToken": "创建代币",
+  "noActiveMint": "没有活跃的铸造厂",
+  "offlineModeMessage": "无连接。使用离线模式...",
+  "confirmSend": "确认发送",
+  "confirm": "确认",
+  "cancel": "取消",
+  "insufficientBalance": "余额不足",
+  "tokenCreationError": "创建代币错误：{error}",
+  "@tokenCreationError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "tokenCreated": "代币已创建",
+  "copy": "复制",
+  "share": "分享",
+  "tokenCashu": "Cashu 代币",
+  "tokenCashuAnimatedQr": "Cashu 代币（动态二维码 - {fragments} 个 UR 片段）",
+  "@tokenCashuAnimatedQr": {
+    "placeholders": {
+      "fragments": { "type": "int" }
+    }
+  },
+  "keepTokenWarning": "请保留此代币直到收款方领取。如果丢失，资金将无法找回。",
+  "tokenCopiedToClipboard": "代币已复制到剪贴板",
+  "copyAsEmoji": "复制为表情符号",
+  "emojiCopiedToClipboard": "代币已复制为表情符号 🥜",
+  "peanutDecodeError": "无法解码表情符号代币。可能已损坏。",
+
+  "nfcWrite": "写入NFC标签",
+  "nfcRead": "读取NFC标签",
+  "nfcHoldNear": "将设备靠近NFC标签...",
+  "nfcWriteSuccess": "代币已写入NFC标签",
+  "nfcWriteError": "NFC写入错误：{error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "NFC读取错误：{error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFC已禁用，请在设置中启用。",
+  "nfcUnsupported": "此设备不支持NFC",
+
+  "amountToDeposit": "存入金额：",
+  "descriptionOptional": "描述（可选）：",
+  "depositPlaceholder": "这笔存款是用于什么？",
+  "generating": "正在生成...",
+  "generateInvoice": "生成发票",
+  "depositLightning": "闪电存款",
+
+  "payInvoiceTitle": "支付发票",
+  "generatingInvoice": "正在生成发票...",
+  "waitingForPayment": "等待付款...",
+  "paymentReceived": "已收到付款",
+  "tokensIssued": "代币已发行！",
+  "error": "错误",
+  "unknownError": "未知错误",
+  "back": "返回",
+  "copyInvoice": "复制发票",
+  "description": "描述：",
+  "invoiceCopiedToClipboard": "发票已复制到剪贴板",
+  "deposited": "已存入 {amount} {unit}",
+  "@deposited": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "pasteLightningInvoice": "粘贴闪电发票：",
+  "gettingQuote": "正在获取报价...",
+  "validInvoice": "有效发票",
+  "invalidInvoice": "无效发票",
+  "invalidInvoiceMalformed": "无效或格式错误的发票",
+  "feeReserved": "预留手续费：",
+  "total": "总计：",
+  "paying": "正在支付...",
+  "payInvoice": "支付发票",
+  "confirmPayment": "确认支付",
+  "pay": "支付",
+  "fee": "手续费",
+  "invoiceExpired": "发票已过期",
+  "amountOutOfRange": "金额超出允许范围",
+  "resolvingType": "正在解析 {type}...",
+  "@resolvingType": {
+    "placeholders": {
+      "type": { "type": "String" }
+    }
+  },
+  "invoiceAlreadyPaid": "发票已支付",
+  "paymentError": "支付错误：{error}",
+  "@paymentError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "sent": "已发送 {amount} {unit}",
+  "@sent": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "filterAll": "全部",
+  "filterPending": "待处理",
+  "filterEcash": "电子现金",
+  "filterLightning": "闪电",
+  "receiveTokensToStart": "接收 Cashu 代币开始使用",
+  "noPendingTransactions": "没有待处理的交易",
+  "allTransactionsCompleted": "所有交易已完成",
+  "noEcashTransactions": "没有电子现金交易",
+  "sendOrReceiveTokens": "发送或接收 Cashu 代币",
+  "noLightningTransactions": "没有闪电交易",
+  "depositOrWithdrawLightning": "通过闪电网络存入或提取",
+  "pendingStatus": "待处理",
+  "receivedStatus": "已收到",
+  "sentStatus": "已发送",
+  "now": "刚刚",
+  "agoMinutes": "{minutes} 分钟前",
+  "@agoMinutes": {
+    "placeholders": {
+      "minutes": { "type": "int" }
+    }
+  },
+  "agoHours": "{hours} 小时前",
+  "@agoHours": {
+    "placeholders": {
+      "hours": { "type": "int" }
+    }
+  },
+  "agoDays": "{days} 天前",
+  "@agoDays": {
+    "placeholders": {
+      "days": { "type": "int" }
+    }
+  },
+  "lightningInvoice": "闪电发票",
+  "receivedEcash": "收到电子现金",
+  "sentEcash": "发送电子现金",
+  "outgoingLightningPayment": "闪电支出",
+  "invoiceNotAvailable": "发票不可用",
+  "tokenNotAvailable": "代币不可用",
+  "unit": "单位",
+  "status": "状态",
+  "pending": "待处理",
+  "memo": "备注",
+  "copyInvoiceButton": "复制发票",
+  "copyButton": "复制",
+  "invoiceCopied": "发票已复制",
+  "tokenCopied": "代币已复制",
+  "speed": "速度：",
+
+  "settings": "设置",
+  "walletSection": "钱包",
+  "backupSeedPhrase": "备份助记词",
+  "viewRecoveryWords": "查看恢复词",
+  "connectedMints": "已连接铸造厂",
+  "manageCashuMints": "管理您的 Cashu 铸造厂",
+  "pinAccess": "PIN 访问",
+  "pinEnabled": "已启用",
+  "protectWithPin": "用 PIN 保护应用",
+  "recoverTokens": "恢复代币",
+  "scanMintsWithSeed": "使用助记词扫描铸造厂",
+  "appearanceSection": "语言",
+  "language": "语言",
+  "informationSection": "信息",
+  "version": "版本",
+  "about": "关于",
+  "deleteWallet": "删除钱包",
+  "spanish": "Español",
+  "english": "English",
+  "portuguese": "Português",
+  "french": "Français",
+  "russian": "Русский",
+  "german": "Deutsch",
+  "italian": "Italiano",
+  "korean": "한국어",
+  "chinese": "中文",
+  "japanese": "日本語",
+  "swahili": "Kiswahili",
+
+  "mnemonicNotFound": "未找到助记词",
+  "createPin": "创建 PIN",
+  "enterPinDigits": "输入4位数 PIN",
+  "confirmPin": "确认 PIN",
+  "enterPinAgain": "再次输入 PIN",
+  "pinMismatch": "PIN 不匹配",
+  "pinActivated": "PIN 已激活",
+  "pinDeactivated": "PIN 已停用",
+  "verifyPin": "验证 PIN",
+  "enterCurrentPin": "输入当前 PIN",
+  "incorrectPin": "PIN 错误",
+  "selectLanguage": "选择语言",
+  "languageChanged": "语言已更改为 {language}",
+  "@languageChanged": {
+    "placeholders": {
+      "language": { "type": "String" }
+    }
+  },
+  "close": "关闭",
+  "aboutDescription": "具有古巴基因的 Cashu 钱包，面向全世界。LaChispa 的兄弟项目。",
+  "couldNotOpenLink": "无法打开链接",
+
+  "deleteWalletQuestion": "删除钱包？",
+  "actionIrreversible": "此操作不可撤销",
+  "deleteWalletWarning": "所有数据将被删除，包括您的助记词和代币。请确保您有备份。",
+  "typeDeleteToConfirm": "输入 \"DELETE\" 确认：",
+  "deleteConfirmWord": "DELETE",
+  "deleteError": "删除错误：{error}",
+  "@deleteError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "recoverTokensTitle": "恢复代币",
+  "recoverTokensDescription": "扫描铸造厂以恢复与您的助记词关联的代币（NUT-13）",
+  "useCurrentSeedPhrase": "使用当前助记词",
+  "scanWithSavedWords": "使用保存的12个单词扫描铸造厂",
+  "useOtherSeedPhrase": "使用其他助记词",
+  "recoverFromOtherWords": "从其他12个单词恢复代币",
+  "mintsToScan": "要扫描的铸造厂：",
+  "allMints": "所有铸造厂（{count}个）",
+  "@allMints": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "specificMint": "特定铸造厂",
+  "enterMnemonicWords": "输入12个单词，用空格分隔...",
+  "scanMints": "扫描铸造厂",
+  "selectMintToScan": "选择要扫描的铸造厂",
+  "mnemonicMustHaveWords": "助记词必须有12或24个单词",
+  "noConnectedMintsToScan": "没有已连接的铸造厂可扫描",
+  "recoveredTokens": "已从 {mints} 个铸造厂恢复 {tokens}！",
+  "@recoveredTokens": {
+    "placeholders": {
+      "tokens": { "type": "String" },
+      "mints": { "type": "int" }
+    }
+  },
+  "scanCompleteNoTokens": "扫描完成。未发现新代币。",
+  "mintsWithError": "（{count}个铸造厂出错）",
+  "@mintsWithError": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "recoveredFromMint": "已从 {mint} 恢复 {tokens}！",
+  "@recoveredFromMint": {
+    "placeholders": {
+      "tokens": { "type": "String" },
+      "mint": { "type": "String" }
+    }
+  },
+  "noTokensFoundInMint": "在 {mint} 中未发现代币。",
+  "@noTokensFoundInMint": {
+    "placeholders": {
+      "mint": { "type": "String" }
+    }
+  },
+  "recoveredAndTransferred": "已恢复并转入 {amount} {unit} 到您的钱包！",
+  "@recoveredAndTransferred": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+  "noTokensForMnemonic": "未发现与该助记词关联的代币。",
+
+  "noConnectedMints": "没有已连接的铸造厂",
+  "addMintToStart": "添加铸造厂开始使用",
+  "addMint": "添加铸造厂",
+  "mintDeleted": "铸造厂已删除",
+  "activeMintUpdated": "活跃铸造厂已更新",
+  "mintUrl": "铸造厂 URL：",
+  "mintUrlPlaceholder": "https://mint.example.com",
+  "urlMustStartWithHttps": "URL 必须以 https:// 开头",
+  "connectingToMint": "正在连接铸造厂...",
+  "mintAddedSuccessfully": "铸造厂添加成功",
+  "couldNotConnectToMint": "无法连接到铸造厂",
+  "add": "添加",
+
+  "success": "成功",
+  "loading": "加载中...",
+  "retry": "重试",
+
+  "activeMint": "活跃铸造厂",
+  "mintMessage": "铸造厂消息",
+  "url": "网址",
+  "currency": "货币",
+  "unknown": "未知",
+  "useThisMint": "使用此铸造厂",
+  "copyMintUrl": "复制铸造厂 URL",
+  "deleteMint": "删除铸造厂",
+  "copied": "{label} 已复制",
+  "@copied": {
+    "placeholders": {
+      "label": { "type": "String" }
+    }
+  },
+  "deleteMintConfirmTitle": "删除铸造厂",
+  "deleteMintConfirmMessage": "如果您在此铸造厂有余额，将会丢失。确定要删除吗？",
+  "delete": "删除",
+
+  "offlineSend": "离线发送",
+  "selectAll": "全部",
+  "deselectAll": "无",
+  "selectNotesToSend": "选择要发送的票据：",
+  "totalToSend": "发送总额",
+  "notesSelected": "已选择 {count} 张票据",
+  "@notesSelected": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "loadingProofsError": "加载证明错误：{error}",
+  "@loadingProofsError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "creatingTokenError": "创建代币错误：{error}",
+  "@creatingTokenError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+
+  "unknownState": "未知状态",
+  "depositAmountTitle": "存入 {amount} {unit}",
+  "@depositAmountTitle": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "receiveNow": "立即接收",
+  "receiveLater": "稍后接收",
+  "tokenSavedForLater": "代币已保存，稍后领取",
+  "noConnectionTokenSaved": "无连接。代币已保存，稍后领取。",
+  "unknownMintOffline": "此代币来自未知铸造厂。请连接互联网以添加并领取代币。",
+  "noConnectionTryLater": "无法连接铸造厂。请稍后重试。",
+  "saveTokenError": "保存代币错误。请重试。",
+  "pendingTokenLimitReached": "待处理代币达到上限（最多50个）",
+  "filterToReceive": "待接收",
+  "noPendingTokens": "没有待处理代币",
+  "noPendingTokensHint": "保存代币稍后领取",
+  "pendingBadge": "待处理",
+  "expiresInDays": "{days, plural, =1{1天后过期} other{{days}天后过期}}",
+  "@expiresInDays": {
+    "placeholders": {
+      "days": { "type": "int" }
+    }
+  },
+  "retryCount": "{count} 次重试",
+  "@retryCount": {
+    "placeholders": {
+      "count": { "type": "int" }
+    }
+  },
+  "claimNow": "立即领取",
+  "pendingTokenClaimedSuccess": "已领取 {amount} {unit}",
+  "@pendingTokenClaimedSuccess": {
+    "placeholders": {
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+  "pendingTokensClaimed": "{count, plural, =1{已领取1个代币（{amount} {unit}）} other{已领取{count}个代币（{amount} {unit}）}}",
+  "@pendingTokensClaimed": {
+    "placeholders": {
+      "count": { "type": "int" },
+      "amount": { "type": "String" },
+      "unit": { "type": "String" }
+    }
+  },
+
+  "scan": "扫描",
+  "scanQrCode": "扫描二维码",
+  "scanCashuToken": "扫描 Cashu 代币",
+  "scanLightningInvoice": "扫描发票",
+  "scanningAnimatedQr": "正在扫描动态二维码...",
+  "pointCameraAtQr": "将相机对准二维码",
+  "pointCameraAtCashuQr": "将相机对准 Cashu 代币二维码",
+  "pointCameraAtInvoiceQr": "将相机对准发票二维码",
+  "unrecognizedQrCode": "无法识别的二维码",
+  "scanCashuTokenHint": "扫描 Cashu 代币（cashuA... 或 cashuB...）",
+  "scanLightningInvoiceHint": "扫描闪电发票（lnbc...）",
+  "addMintQuestion": "添加此铸造厂？",
+  "cameraPermissionDenied": "相机权限被拒绝",
+  "paymentRequestTitle": "付款请求",
+  "paymentRequestFrom": "来自",
+  "paymentRequestAmount": "请求金额",
+  "paymentRequestDescription": "描述",
+  "paymentRequestMints": "接受的铸造厂",
+  "paymentRequestAnyMint": "任何铸造厂",
+  "paymentRequestPay": "支付",
+  "paymentRequestPaying": "支付中...",
+  "paymentRequestSuccess": "付款发送成功",
+  "paymentRequestNoTransport": "此请求未配置交付方式",
+  "paymentRequestTransport": "传输方式",
+  "paymentRequestMintNotAccepted": "您的活跃铸造厂不在接受的铸造厂列表中",
+  "paymentRequestUnitMismatch": "单位不兼容：请求需要 {unit}",
+  "paymentRequestInsufficientBalance": "余额不足",
+  "paymentRequestErrorParsing": "读取付款请求时出错",
+
+  "p2pkTitle": "P2PK密钥",
+  "p2pkSettingsDescription": "接收锁定的ecash",
+  "p2pkExperimental": "P2PK是实验性功能。请谨慎使用。",
+  "p2pkPendingSendWarning": "您有一笔待处理的P2PK发送。在收款人领取代币后，请前往历史记录刷新。",
+  "p2pkExperimentalShort": "实验性",
+  "p2pkPrimaryKey": "主密钥",
+  "p2pkDerived": "派生的",
+  "p2pkImported": "已导入",
+  "p2pkImportedKeys": "已导入的密钥",
+  "p2pkNoImportedKeys": "没有已导入的密钥",
+  "p2pkShowQR": "显示二维码",
+  "p2pkCopy": "复制",
+  "p2pkImportNsec": "导入nsec",
+  "p2pkImport": "导入",
+  "p2pkEnterLabel": "此密钥的名称",
+  "p2pkLockToKey": "P2PK签名发送",
+  "p2pkLockDescription": "只有接收者可以领取",
+  "p2pkReceiverPubkey": "npub1... 或 hex（64/66字符）",
+  "p2pkInvalidPubkey": "无效的公钥",
+  "p2pkInvalidPrivateKey": "无效的私钥",
+  "p2pkLockedToYou": "已锁定给您",
+  "p2pkLockedToOther": "已锁定给其他密钥",
+  "p2pkCannotUnlock": "您没有解锁此代币的密钥",
+  "p2pkEnterPrivateKey": "输入私钥（nsec）",
+  "p2pkDeleteTitle": "删除密钥",
+  "p2pkDeleteConfirm": "删除此密钥？您将无法接收锁定给它的代币。",
+  "p2pkRequiresConnection": "P2PK需要连接到铸造厂",
+  "p2pkErrorMaxKeysReached": "已达到导入密钥的最大数量（10）",
+  "p2pkErrorInvalidNsec": "无效的nsec",
+  "p2pkErrorKeyAlreadyExists": "此密钥已存在",
+  "p2pkErrorKeyNotFound": "未找到密钥",
+  "p2pkErrorCannotDeletePrimary": "无法删除主密钥",
+
+  "request": "请求",
+  "requestPayment": "请求付款",
+  "requestPaymentDescription": "生成统一付款请求",
+  "generateRequest": "生成请求",
+  "generatingRequest": "正在生成请求...",
+  "requestPaymentReceived": "已收到付款",
+  "requestDescriptionHint": "描述（可选）",
+  "universal": "通用",
+  "copiedToClipboard": "已复制到剪贴板"
+}

lib/main.dart

@@ -2,19 +2,21 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:provider/provider.dart';
-import 'package:cdk_flutter/cdk_flutter.dart' hide WalletProvider;
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'src/rust/frb_generated.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import 'core/theme/app_theme.dart';
 import 'providers/wallet_provider.dart';
 import 'providers/settings_provider.dart';
 import 'providers/price_provider.dart';
+import 'providers/p2pk_provider.dart';
+import 'widgets/effects/cashu_confetti.dart';
 import 'screens/1_splash/splash_screen.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
 
-  // Inicializar CDK Flutter (Cashu SDK)
-  await CdkFlutter.init();
+  // Inicializar bridge Rust interno (Cashu SDK)
+  await RustLib.init();
 
   // Configurar orientación y estilo de barra de estado
   SystemChrome.setPreferredOrientations([
@@ -40,6 +42,7 @@ void main() async {
       providers: [
         ChangeNotifierProvider(create: (_) => SettingsProvider()),
         ChangeNotifierProvider(create: (_) => WalletProvider()),
+        ChangeNotifierProvider(create: (_) => P2PKProvider()),
         ChangeNotifierProvider.value(value: priceProvider),
       ],
       child: const ElCajuApp(),
@@ -72,9 +75,23 @@ class ElCajuApp extends StatelessWidget {
         Locale('pt'), // Português
         Locale('fr'), // Français
         Locale('ru'), // Русский
+        Locale('de'), // Deutsch
+        Locale('it'), // Italiano
+        Locale('ko'), // 한국어
+        Locale('zh'), // 中文
+        Locale('ja'), // 日本語
+        Locale('sw'), // Kiswahili
       ],
       locale: Locale(settingsProvider.locale),
 
+      builder: (context, child) {
+        final walletProvider = context.read<WalletProvider>();
+        return CashuConfetti(
+          controller: walletProvider.confettiController,
+          child: child ?? const SizedBox.shrink(),
+        );
+      },
+
       home: const SplashScreen(),
     );
   }

lib/models/p2pk_key.dart

@@ -0,0 +1,87 @@
+/// Modelo de clave P2PK
+///
+/// Representa una clave pública/privada para bloquear/desbloquear tokens Cashu
+library;
+
+import '../core/utils/nostr_utils.dart';
+
+class P2PKKey {
+  /// ID único de la clave
+  final String id;
+
+  /// Clave pública en formato hex (64 caracteres)
+  final String publicKey;
+
+  /// Clave privada en formato hex (64 caracteres)
+  final String privateKey;
+
+  /// true si fue derivada del mnemonic (NIP-06)
+  final bool isDerived;
+
+  /// Etiqueta para identificar la clave (ej: "Principal", "Mi Nostr")
+  final String label;
+
+  /// Fecha de creación
+  final DateTime createdAt;
+
+  const P2PKKey({
+    required this.id,
+    required this.publicKey,
+    required this.privateKey,
+    required this.isDerived,
+    required this.label,
+    required this.createdAt,
+  });
+
+  // ============ GETTERS PARA FORMATOS NOSTR ============
+
+  /// Clave pública en formato npub (Nostr)
+  String get npub => NostrUtils.hexToNpub(publicKey);
+
+  /// Clave privada en formato nsec (Nostr)
+  String get nsec => NostrUtils.hexToNsec(privateKey);
+
+  // ============ SERIALIZACIÓN ============
+
+  Map<String, dynamic> toJson() => {
+        'id': id,
+        'publicKey': publicKey,
+        'privateKey': privateKey,
+        'isDerived': isDerived,
+        'label': label,
+        'createdAt': createdAt.toIso8601String(),
+      };
+
+  factory P2PKKey.fromJson(Map<String, dynamic> json) => P2PKKey(
+        id: json['id'] as String,
+        publicKey: json['publicKey'] as String,
+        privateKey: json['privateKey'] as String,
+        isDerived: json['isDerived'] as bool,
+        label: json['label'] as String,
+        createdAt: DateTime.parse(json['createdAt'] as String),
+      );
+
+  // ============ UTILIDADES ============
+
+  P2PKKey copyWith({String? label}) => P2PKKey(
+        id: id,
+        publicKey: publicKey,
+        privateKey: privateKey,
+        isDerived: isDerived,
+        label: label ?? this.label,
+        createdAt: createdAt,
+      );
+
+  @override
+  String toString() => 'P2PKKey(id: $id, label: $label, isDerived: $isDerived)';
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is P2PKKey &&
+          runtimeType == other.runtimeType &&
+          publicKey == other.publicKey;
+
+  @override
+  int get hashCode => publicKey.hashCode;
+}

lib/providers/p2pk_provider.dart

@@ -0,0 +1,306 @@
+/// Provider para gestión de claves P2PK
+///
+/// Funcionalidades:
+/// - Derivar clave principal desde mnemonic (NIP-06)
+/// - Importar claves adicionales via nsec
+/// - Detectar tokens P2PK bloqueados
+/// - Verificar si podemos desbloquear un token
+library;
+
+import 'dart:convert';
+import 'package:flutter/foundation.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:bip32/bip32.dart' as bip32;
+import '../src/rust/api/keys.dart' as cdk;
+import 'package:uuid/uuid.dart';
+
+import '../models/p2pk_key.dart';
+import '../core/utils/nostr_utils.dart';
+import '../core/utils/p2pk_utils.dart';
+
+/// Códigos de error para operaciones P2PK
+enum P2PKErrorCode {
+  maxKeysReached,
+  invalidNsec,
+  keyAlreadyExists,
+  keyNotFound,
+  cannotDeletePrimaryKey,
+}
+
+/// Excepción tipada para errores P2PK (traducir en UI con L10n)
+class P2PKException implements Exception {
+  final P2PKErrorCode code;
+
+  const P2PKException(this.code);
+
+  @override
+  String toString() => 'P2PKException: $code';
+}
+
+class P2PKProvider extends ChangeNotifier {
+  static const _storageKey = 'p2pk_keys';
+  static const _maxImportedKeys = 10;
+
+  final FlutterSecureStorage _secureStorage;
+
+  List<P2PKKey> _keys = [];
+  P2PKKey? _primaryKey;
+  bool _isInitialized = false;
+
+  P2PKProvider({FlutterSecureStorage? secureStorage})
+      : _secureStorage = secureStorage ?? const FlutterSecureStorage();
+
+  // ============ GETTERS ============
+
+  /// Todas las claves (principal + importadas)
+  List<P2PKKey> get keys => List.unmodifiable(_keys);
+
+  /// Clave principal derivada del mnemonic
+  P2PKKey? get primaryKey => _primaryKey;
+
+  /// Solo claves importadas (no derivadas)
+  List<P2PKKey> get importedKeys =>
+      _keys.where((k) => !k.isDerived).toList();
+
+  /// Si el provider está inicializado
+  bool get isInitialized => _isInitialized;
+
+  /// Cantidad de claves importadas
+  int get importedCount => importedKeys.length;
+
+  /// Si se pueden importar más claves
+  bool get canImportMore => importedCount < _maxImportedKeys;
+
+  // ============ INICIALIZACIÓN ============
+
+  /// Inicializa el provider derivando la clave principal del mnemonic
+  Future<void> initialize(String mnemonic) async {
+    // Cargar claves guardadas
+    await _loadKeys();
+
+    // Siempre derivar para comparar con la almacenada
+    final derived = await _deriveFromMnemonic(mnemonic);
+
+    if (_primaryKey == null) {
+      // Primera vez: guardar clave derivada
+      _primaryKey = derived;
+      _keys.insert(0, _primaryKey!);
+      await _saveKeys();
+    } else if (_primaryKey!.publicKey != derived.publicKey) {
+      // Mnemonic cambió (ej: wallet restore) — reemplazar clave primaria
+      _keys.removeWhere((k) => k.isDerived);
+      _primaryKey = derived;
+      _keys.insert(0, _primaryKey!);
+      await _saveKeys();
+    }
+
+    _isInitialized = true;
+    notifyListeners();
+
+    debugPrint('[P2PKProvider] Inicializado con ${_keys.length} claves');
+    debugPrint('[P2PKProvider] Clave principal: ${_primaryKey?.npub.substring(0, 20)}...');
+  }
+
+  // ============ GESTIÓN DE CLAVES ============
+
+  /// Importa una clave desde nsec
+  Future<P2PKKey> importFromNsec(String nsec, String label) async {
+    if (!canImportMore) {
+      throw const P2PKException(P2PKErrorCode.maxKeysReached);
+    }
+
+    // Limpiar input
+    String cleanNsec = nsec.trim();
+    if (cleanNsec.startsWith('nostr:')) {
+      cleanNsec = cleanNsec.substring(6);
+    }
+
+    final privateKeyHex = NostrUtils.nsecToHex(cleanNsec);
+    if (privateKeyHex == null) {
+      throw const P2PKException(P2PKErrorCode.invalidNsec);
+    }
+
+    // Obtener pubkey usando cdk-flutter
+    final publicKeyHex = cdk.getPubKey(secret: privateKeyHex);
+
+    // Verificar que no exista ya
+    if (_keys.any((k) => k.publicKey == publicKeyHex)) {
+      throw const P2PKException(P2PKErrorCode.keyAlreadyExists);
+    }
+
+    final key = P2PKKey(
+      id: const Uuid().v4(),
+      publicKey: publicKeyHex,
+      privateKey: privateKeyHex,
+      isDerived: false,
+      label: label.isEmpty ? 'Importada ${importedCount + 1}' : label,
+      createdAt: DateTime.now(),
+    );
+
+    _keys.add(key);
+    await _saveKeys();
+    notifyListeners();
+
+    debugPrint('[P2PKProvider] Clave importada: ${key.npub.substring(0, 20)}...');
+    return key;
+  }
+
+  /// Elimina una clave importada (no la principal)
+  Future<void> removeKey(String keyId) async {
+    final key = _keys.cast<P2PKKey?>().firstWhere(
+          (k) => k?.id == keyId,
+          orElse: () => null,
+        );
+
+    if (key == null) {
+      throw const P2PKException(P2PKErrorCode.keyNotFound);
+    }
+
+    if (key.isDerived) {
+      throw const P2PKException(P2PKErrorCode.cannotDeletePrimaryKey);
+    }
+
+    _keys.removeWhere((k) => k.id == keyId);
+    await _saveKeys();
+    notifyListeners();
+
+    debugPrint('[P2PKProvider] Clave eliminada: $keyId');
+  }
+
+  /// Actualiza el label de una clave
+  Future<void> updateLabel(String keyId, String newLabel) async {
+    final index = _keys.indexWhere((k) => k.id == keyId);
+    if (index < 0) return;
+
+    _keys[index] = _keys[index].copyWith(label: newLabel);
+    await _saveKeys();
+    notifyListeners();
+  }
+
+  // ============ DETECCIÓN DE TOKENS P2PK ============
+
+  /// Verifica si un token está bloqueado con P2PK
+  bool isTokenLocked(String encodedToken) {
+    return P2PKUtils.isP2PKLocked(encodedToken);
+  }
+
+  /// Verifica si un token está bloqueado para alguna de nuestras claves
+  bool isTokenLockedToUs(String encodedToken) {
+    final lockedPubkey = P2PKUtils.extractLockedPubkey(encodedToken);
+    if (lockedPubkey == null) return false;
+
+    // Normalizar a x-only (64 chars) para comparación
+    final normalizedLocked = _normalizeToXOnly(lockedPubkey);
+    return _keys.any((k) => _normalizeToXOnly(k.publicKey) == normalizedLocked);
+  }
+
+  /// Obtiene la clave privada para desbloquear un token
+  /// Prueba todas las claves automáticamente
+  String? getPrivateKeyForToken(String encodedToken) {
+    final lockedPubkey = P2PKUtils.extractLockedPubkey(encodedToken);
+    if (lockedPubkey == null) return null;
+
+    // Normalizar a x-only (64 chars) para comparación
+    final normalizedLocked = _normalizeToXOnly(lockedPubkey);
+    final key = _keys.cast<P2PKKey?>().firstWhere(
+          (k) => k != null && _normalizeToXOnly(k.publicKey) == normalizedLocked,
+          orElse: () => null,
+        );
+
+    return key?.privateKey;
+  }
+
+  /// Normaliza pubkey a formato x-only (64 chars) para comparación
+  /// Si es SEC1 (66 chars con prefijo 02/03), quita el prefijo
+  String _normalizeToXOnly(String pubkey) {
+    final lower = pubkey.toLowerCase();
+    if (lower.length == 66 && (lower.startsWith('02') || lower.startsWith('03'))) {
+      return lower.substring(2);
+    }
+    return lower;
+  }
+
+  /// Extrae la pubkey bloqueada de un token
+  String? extractLockedPubkey(String encodedToken) {
+    return P2PKUtils.extractLockedPubkey(encodedToken);
+  }
+
+  // ============ VALIDACIONES ============
+
+  /// Valida si un input es una pubkey válida (npub o hex)
+  bool isValidPubkey(String input) {
+    return NostrUtils.isValidPubkey(input);
+  }
+
+  /// Normaliza input (npub/hex/nostr:npub) a hex
+  String? normalizeToHex(String input) {
+    return NostrUtils.normalizeToHex(input);
+  }
+
+  // ============ MÉTODOS PRIVADOS ============
+
+  /// Deriva la clave principal del mnemonic usando NIP-06
+  /// Path: m/44'/1237'/0'/0/0
+  Future<P2PKKey> _deriveFromMnemonic(String mnemonic) async {
+    // 1. Mnemonic -> Seed (64 bytes) usando cdk-flutter
+    final seed = cdk.mnemonicToSeed(mnemonic: mnemonic);
+
+    // 2. Seed -> BIP32 root
+    final root = bip32.BIP32.fromSeed(seed);
+
+    // 3. Derivar con path NIP-06: m/44'/1237'/0'/0/0
+    final child = root.derivePath("m/44'/1237'/0'/0/0");
+
+    // 4. Obtener private key hex
+    final privateKeyHex = _bytesToHex(child.privateKey!);
+
+    // 5. Obtener public key usando cdk-flutter
+    final publicKeyHex = cdk.getPubKey(secret: privateKeyHex);
+
+    return P2PKKey(
+      id: 'primary',
+      publicKey: publicKeyHex,
+      privateKey: privateKeyHex,
+      isDerived: true,
+      label: 'Principal',
+      createdAt: DateTime.now(),
+    );
+  }
+
+  Future<void> _loadKeys() async {
+    try {
+      final json = await _secureStorage.read(key: _storageKey);
+      if (json != null) {
+        final List<dynamic> list = jsonDecode(json);
+        _keys = list.map((e) => P2PKKey.fromJson(e as Map<String, dynamic>)).toList();
+        _primaryKey = _keys.cast<P2PKKey?>().firstWhere(
+              (k) => k?.isDerived == true,
+              orElse: () => null,
+            );
+      }
+    } catch (e) {
+      debugPrint('[P2PKProvider] Error cargando claves: $e');
+      _keys = [];
+      _primaryKey = null;
+    }
+  }
+
+  Future<void> _saveKeys() async {
+    final json = jsonEncode(_keys.map((k) => k.toJson()).toList());
+    await _secureStorage.write(key: _storageKey, value: json);
+  }
+
+  String _bytesToHex(List<int> bytes) {
+    return bytes.map((b) => b.toRadixString(16).padLeft(2, '0')).join();
+  }
+
+  /// Limpia todas las claves (usado al borrar wallet)
+  Future<void> clear() async {
+    _keys = [];
+    _primaryKey = null;
+    _isInitialized = false;
+    await _secureStorage.delete(key: _storageKey);
+    notifyListeners();
+    debugPrint('[P2PKProvider] Claves eliminadas');
+  }
+}

lib/screens/10_scanner/scan_screen.dart

@@ -1,13 +1,14 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/utils/incoming_data_parser.dart';
 import '../../widgets/scanner/qr_scanner_widget.dart';
 import '../../providers/wallet_provider.dart';
 import '../4_receive/receive_screen.dart';
 import '../7_melt/melt_screen.dart';
+import '../11_payment_request/payment_request_screen.dart';
 
 /// Pantalla de escaneo QR con soporte para diferentes modos
 class ScanScreen extends StatefulWidget {
@@ -195,8 +196,17 @@ class _ScanScreenState extends State<ScanScreen> {
         break;
 
       case IncomingDataType.paymentRequest:
-        // TODO: Implementar manejo de payment requests (post-MVP)
-        _showError(l10n.paymentRequestNotSupported);
+        if (mounted) {
+          Navigator.pop(context);
+          Navigator.push(
+            context,
+            MaterialPageRoute(
+              builder: (context) => PaymentRequestScreen(
+                encodedRequest: data.raw,
+              ),
+            ),
+          );
+        }
         break;
 
       case IncomingDataType.unknown:
@@ -221,8 +231,10 @@ class _ScanScreenState extends State<ScanScreen> {
   }
 
   void _handleInvoiceOnlyMode(ParsedData data) {
-    if (data.type == IncomingDataType.lightningInvoice) {
-      // Retornar el invoice vía callback
+    if (data.type == IncomingDataType.lightningInvoice ||
+        (data.type == IncomingDataType.paymentRequest &&
+            data.invoiceBolt11 != null)) {
+      // Return the invoice — works for pure BOLT11 and BIP-321 URIs with lightning=
       Navigator.pop(context, data.invoiceBolt11 ?? data.raw);
       widget.onDataScanned?.call(data.invoiceBolt11 ?? data.raw);
     } else {

lib/screens/11_payment_request/payment_request_screen.dart

@@ -0,0 +1,338 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'package:lucide_icons/lucide_icons.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
+import '../../core/constants/colors.dart';
+import '../../core/constants/dimensions.dart';
+import '../../core/utils/formatters.dart';
+import '../../src/rust/api/payment_request.dart';
+import '../../widgets/common/gradient_background.dart';
+import '../../widgets/common/glass_card.dart';
+import '../../widgets/common/primary_button.dart';
+import '../../providers/wallet_provider.dart';
+
+/// Pantalla de confirmación para pagar un Payment Request (NUT-18/26)
+class PaymentRequestScreen extends StatefulWidget {
+  /// Raw encoded payment request (creqA, CREQB1, or bitcoin:?creq=)
+  final String encodedRequest;
+
+  const PaymentRequestScreen({super.key, required this.encodedRequest});
+
+  @override
+  State<PaymentRequestScreen> createState() => _PaymentRequestScreenState();
+}
+
+class _PaymentRequestScreenState extends State<PaymentRequestScreen> {
+  PaymentRequestInfo? _info;
+  String? _parseError;
+  bool _isPaying = false;
+  String? _payError;
+
+  @override
+  void initState() {
+    super.initState();
+    _parseRequest();
+  }
+
+  void _parseRequest() {
+    try {
+      final info = PaymentRequestInfo.parse(encoded: widget.encodedRequest);
+      setState(() => _info = info);
+    } catch (e) {
+      setState(() => _parseError = e.toString());
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final l10n = L10n.of(context)!;
+
+    return GradientBackground(
+      child: Scaffold(
+        backgroundColor: Colors.transparent,
+        appBar: AppBar(
+          backgroundColor: Colors.transparent,
+          elevation: 0,
+          title: Text(
+            l10n.paymentRequestTitle,
+            style: const TextStyle(
+              fontFamily: 'Inter',
+              fontWeight: FontWeight.w600,
+            ),
+          ),
+          leading: IconButton(
+            icon: const Icon(LucideIcons.arrowLeft),
+            onPressed: () => Navigator.pop(context),
+          ),
+        ),
+        body: _parseError != null
+            ? _buildError(l10n)
+            : _info == null
+                ? const Center(child: CircularProgressIndicator())
+                : _buildContent(l10n),
+      ),
+    );
+  }
+
+  Widget _buildError(L10n l10n) {
+    return Center(
+      child: Padding(
+        padding: const EdgeInsets.all(AppDimensions.paddingLarge),
+        child: GlassCard(
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              const Icon(LucideIcons.alertCircle, color: Colors.redAccent, size: 48),
+              const SizedBox(height: 16),
+              Text(
+                l10n.paymentRequestErrorParsing,
+                style: const TextStyle(
+                  fontFamily: 'Inter',
+                  fontSize: 16,
+                  fontWeight: FontWeight.w600,
+                  color: Colors.white,
+                ),
+                textAlign: TextAlign.center,
+              ),
+              const SizedBox(height: 8),
+              Text(
+                _parseError!,
+                style: TextStyle(
+                  fontFamily: 'Inter',
+                  fontSize: 13,
+                  color: Colors.white.withValues(alpha: 0.6),
+                ),
+                textAlign: TextAlign.center,
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildContent(L10n l10n) {
+    final info = _info!;
+    final walletProvider = context.watch<WalletProvider>();
+    final activeUnit = walletProvider.activeUnit;
+    final requestUnit = info.unit ?? 'sat';
+
+    // Validaciones
+    final unitMismatch = info.unit != null && info.unit != activeUnit;
+    String stripSlash(String url) =>
+        url.endsWith('/') ? url.substring(0, url.length - 1) : url;
+    final normalizedMints = info.mints.map(stripSlash).toSet();
+    final activeMint = walletProvider.activeMintUrl;
+    final mintNotAccepted = normalizedMints.isNotEmpty &&
+        (activeMint == null || !normalizedMints.contains(stripSlash(activeMint)));
+    final hasTransport = info.transports.isNotEmpty;
+
+    return SingleChildScrollView(
+      padding: const EdgeInsets.all(AppDimensions.paddingLarge),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        children: [
+          // Monto
+          if (info.amount != null)
+            _buildAmountCard(info.amount!, requestUnit, l10n),
+
+          const SizedBox(height: 16),
+
+          // Detalles
+          GlassCard(
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                // Descripción
+                if (info.description != null && info.description!.isNotEmpty) ...[
+                  _buildDetailRow(
+                    LucideIcons.fileText,
+                    l10n.paymentRequestDescription,
+                    info.description!,
+                  ),
+                  const SizedBox(height: 12),
+                ],
+
+                // Mints aceptados
+                _buildDetailRow(
+                  LucideIcons.server,
+                  l10n.paymentRequestMints,
+                  info.mints.isEmpty
+                      ? l10n.paymentRequestAnyMint
+                      : info.mints.map((m) => Uri.parse(m).host).join(', '),
+                ),
+
+                // Transporte (solo mostrar si hay transporte configurado)
+                if (info.transports.isNotEmpty) ...[
+                  const SizedBox(height: 12),
+                  _buildDetailRow(
+                    LucideIcons.send,
+                    l10n.paymentRequestTransport,
+                    info.transports
+                        .map((t) => t.transportType == 'nostr' ? 'Nostr (NIP-17)' : 'HTTP POST')
+                        .join(', '),
+                  ),
+                ],
+              ],
+            ),
+          ),
+
+          const SizedBox(height: 16),
+
+          // Warnings
+          if (unitMismatch)
+            _buildWarning(
+              LucideIcons.alertTriangle,
+              l10n.paymentRequestUnitMismatch(requestUnit),
+            ),
+          if (mintNotAccepted)
+            _buildWarning(
+              LucideIcons.alertTriangle,
+              l10n.paymentRequestMintNotAccepted,
+            ),
+          if (!hasTransport)
+            _buildWarning(
+              LucideIcons.info,
+              l10n.paymentRequestNoTransport,
+            ),
+
+          if (_payError != null) ...[
+            const SizedBox(height: 12),
+            _buildWarning(LucideIcons.alertCircle, _payError!),
+          ],
+
+          const SizedBox(height: 32),
+
+          // Botón pagar
+          PrimaryButton(
+            text: _isPaying ? l10n.paymentRequestPaying : l10n.paymentRequestPay,
+            icon: LucideIcons.zap,
+            isLoading: _isPaying,
+            onPressed: (!hasTransport || _isPaying)
+                ? null
+                : _pay,
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildAmountCard(BigInt amount, String unit, L10n l10n) {
+    return GlassCard(
+      child: Column(
+        children: [
+          Text(
+            l10n.paymentRequestAmount,
+            style: TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 14,
+              color: Colors.white.withValues(alpha: 0.7),
+            ),
+          ),
+          const SizedBox(height: 8),
+          Text(
+            UnitFormatter.formatBalanceWithUnit(amount, unit),
+            style: const TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 36,
+              fontWeight: FontWeight.w700,
+              color: Colors.white,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildDetailRow(IconData icon, String label, String value) {
+    return Row(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Icon(icon, size: 18, color: AppColors.primaryAction),
+        const SizedBox(width: 10),
+        Expanded(
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Text(
+                label,
+                style: TextStyle(
+                  fontFamily: 'Inter',
+                  fontSize: 12,
+                  fontWeight: FontWeight.w500,
+                  color: Colors.white.withValues(alpha: 0.6),
+                ),
+              ),
+              const SizedBox(height: 2),
+              Text(
+                value,
+                style: const TextStyle(
+                  fontFamily: 'Inter',
+                  fontSize: 14,
+                  color: Colors.white,
+                ),
+              ),
+            ],
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildWarning(IconData icon, String text) {
+    return Padding(
+      padding: const EdgeInsets.only(bottom: 8),
+      child: GlassCard(
+        child: Row(
+          children: [
+            Icon(icon, size: 20, color: Colors.amber),
+            const SizedBox(width: 10),
+            Expanded(
+              child: Text(
+                text,
+                style: const TextStyle(
+                  fontFamily: 'Inter',
+                  fontSize: 13,
+                  color: Colors.amber,
+                ),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Future<void> _pay() async {
+    setState(() {
+      _isPaying = true;
+      _payError = null;
+    });
+
+    try {
+      final walletProvider = context.read<WalletProvider>();
+      await walletProvider.payPaymentRequest(
+        widget.encodedRequest,
+        customAmount: _info!.amount,
+      );
+
+      if (!mounted) return;
+
+      // Éxito — mostrar snackbar y volver
+      final l10n = L10n.of(context)!;
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(l10n.paymentRequestSuccess),
+          backgroundColor: Colors.green.shade700,
+        ),
+      );
+      Navigator.pop(context, true);
+    } catch (e) {
+      if (!mounted) return;
+      setState(() {
+        _isPaying = false;
+        _payError = e.toString();
+      });
+    }
+  }
+}

lib/screens/12_request/request_screen.dart

@@ -0,0 +1,909 @@
+import 'dart:async';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:provider/provider.dart';
+import 'package:qr_flutter/qr_flutter.dart';
+import 'package:lucide_icons/lucide_icons.dart';
+import 'package:share_plus/share_plus.dart';
+import '../../src/rust/api/wallet.dart';
+import '../../src/rust/api/payment_request.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
+import '../../core/constants/colors.dart';
+import '../../core/constants/dimensions.dart';
+import '../../core/utils/formatters.dart';
+// TODO: re-enable once CDK fixes NIP-17 (cashubtc/cdk#1807)
+// import '../../core/utils/bip321_builder.dart';
+import '../../core/services/nfc_service.dart';
+import '../../widgets/common/gradient_background.dart';
+import '../../widgets/common/glass_card.dart';
+import '../../widgets/common/primary_button.dart';
+import '../../widgets/common/numpad_widget.dart';
+import '../../providers/wallet_provider.dart';
+
+enum RequestStatus { input, generating, waiting, received, error }
+enum QrMode { universal, cashu, lightning }
+
+/// Pantalla para solicitar pagos via Payment Request unificado.
+/// Genera creqB (Cashu/Nostr) + Lightning invoice en paralelo.
+class RequestScreen extends StatefulWidget {
+  const RequestScreen({super.key});
+
+  @override
+  State<RequestScreen> createState() => _RequestScreenState();
+}
+
+class _RequestScreenState extends State<RequestScreen> {
+  final TextEditingController _descriptionController = TextEditingController();
+
+  // Input state
+  String _amountValue = '';
+  late String _activeUnit;
+
+  // Request state
+  RequestStatus _status = RequestStatus.input;
+  String? _errorMessage;
+
+  // Payment data
+  String? _creqB;
+  String? _bolt11;
+  // TODO: re-enable QrMode.cashu / universal once CDK fixes NIP-17 sender pubkey bug
+  // See: https://github.com/cashubtc/cdk/issues/1807
+  // QrMode _activeMode = QrMode.lightning;
+  bool _paymentHandled = false;
+
+  // Listeners
+  StreamSubscription<NostrPaymentEvent>? _nostrSubscription;
+  StreamSubscription<MintQuote>? _mintSubscription;
+
+  // NFC
+  NfcState _nfcState = NfcState.unsupported;
+  bool _nfcEmulating = false;
+
+  // Success
+  BigInt _receivedAmount = BigInt.zero;
+
+  late final WalletProvider _walletProvider;
+
+  @override
+  void initState() {
+    super.initState();
+    _walletProvider = context.read<WalletProvider>();
+    _activeUnit = _walletProvider.activeUnit;
+    _checkNfc();
+  }
+
+  @override
+  void dispose() {
+    _descriptionController.dispose();
+    // TODO: re-enable once CDK fixes NIP-17 (cashubtc/cdk#1807)
+    // No-op while Nostr is disabled (_nostrSubscription is always null, _creqB is always null)
+    _nostrSubscription?.cancel();
+    _mintSubscription?.cancel();
+    if (_nfcEmulating) NfcService.stopEmulating();
+    if (!_paymentHandled && _creqB != null) {
+      _walletProvider.removePendingNostrRequest();
+    }
+    super.dispose();
+  }
+
+  Future<void> _checkNfc() async {
+    final state = await NfcService.checkState();
+    if (mounted) setState(() => _nfcState = state);
+  }
+
+  String get _unitLabel => UnitFormatter.getUnitLabel(_activeUnit);
+  BigInt get _amount => UnitFormatter.parseRawDigits(_amountValue, _activeUnit);
+  bool get _isValidAmount => _amount > BigInt.zero;
+
+  // ─── Build ───
+
+  @override
+  Widget build(BuildContext context) {
+    return GradientBackground(
+      child: Scaffold(
+        backgroundColor: Colors.transparent,
+        appBar: AppBar(
+          backgroundColor: Colors.transparent,
+          elevation: 0,
+          leading: IconButton(
+            icon: const Icon(LucideIcons.arrowLeft, color: Colors.white),
+            onPressed: () => Navigator.pop(context),
+          ),
+          title: Text(
+            L10n.of(context)!.requestPayment,
+            style: const TextStyle(
+              fontFamily: 'Inter',
+              fontWeight: FontWeight.w600,
+              color: Colors.white,
+            ),
+          ),
+          actions: [
+            if (_status == RequestStatus.waiting)
+              IconButton(
+                icon: const Icon(LucideIcons.share2, color: Colors.white),
+                onPressed: _shareRequest,
+              ),
+          ],
+        ),
+        body: SafeArea(child: _buildBody()),
+      ),
+    );
+  }
+
+  Widget _buildBody() {
+    switch (_status) {
+      case RequestStatus.input:
+        return _buildInputView();
+      case RequestStatus.generating:
+        return _buildGeneratingView();
+      case RequestStatus.waiting:
+        return _buildWaitingView();
+      case RequestStatus.received:
+        return _buildSuccessView();
+      case RequestStatus.error:
+        return _buildErrorView();
+    }
+  }
+
+  // ─── Input View ───
+
+  Widget _buildInputView() {
+    return Column(
+      children: [
+        Expanded(
+          child: SingleChildScrollView(
+            padding: const EdgeInsets.all(AppDimensions.paddingMedium),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.stretch,
+              children: [
+                _buildAmountSection(),
+                const SizedBox(height: AppDimensions.paddingLarge),
+                _buildDescriptionSection(),
+                const SizedBox(height: AppDimensions.paddingMedium),
+                if (_errorMessage != null) _buildErrorMessage(),
+              ],
+            ),
+          ),
+        ),
+        Padding(
+          padding: const EdgeInsets.all(AppDimensions.paddingMedium),
+          child: PrimaryButton(
+            text: L10n.of(context)!.generateRequest,
+            onPressed: _isValidAmount ? _generateRequest : null,
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildAmountSection() {
+    final displayAmount =
+        UnitFormatter.formatRawDigitsForDisplay(_amountValue, _activeUnit);
+    return Column(
+      children: [
+        Text(
+          displayAmount,
+          style: TextStyle(
+            fontFamily: 'Inter',
+            fontSize: 48,
+            fontWeight: FontWeight.bold,
+            color: _isValidAmount || _amountValue.isEmpty
+                ? Colors.white
+                : AppColors.error,
+          ),
+        ),
+        const SizedBox(height: 4),
+        Text(
+          _unitLabel,
+          style: TextStyle(
+            fontFamily: 'Inter',
+            fontSize: 18,
+            color: AppColors.textSecondary,
+          ),
+        ),
+        const SizedBox(height: AppDimensions.paddingMedium),
+        NumpadWidget(
+          value: _amountValue,
+          onChanged: (v) => setState(() {
+            _errorMessage = null;
+            _amountValue = v;
+          }),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildDescriptionSection() {
+    final l10n = L10n.of(context)!;
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Text(
+          l10n.descriptionOptional,
+          style: TextStyle(
+            fontFamily: 'Inter',
+            fontSize: 16,
+            fontWeight: FontWeight.w500,
+            color: AppColors.textSecondary,
+          ),
+        ),
+        const SizedBox(height: AppDimensions.paddingSmall),
+        GlassCard(
+          padding: const EdgeInsets.all(AppDimensions.paddingSmall),
+          child: TextField(
+            controller: _descriptionController,
+            maxLines: 2,
+            maxLength: 100,
+            style: const TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 16,
+              color: Colors.white,
+            ),
+            decoration: InputDecoration(
+              hintText: l10n.requestDescriptionHint,
+              hintStyle: TextStyle(
+                fontFamily: 'Inter',
+                fontSize: 16,
+                color: Colors.white.withValues(alpha: 0.3),
+              ),
+              border: InputBorder.none,
+              counterStyle: TextStyle(
+                fontFamily: 'Inter',
+                fontSize: 12,
+                color: AppColors.textSecondary.withValues(alpha: 0.5),
+              ),
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildErrorMessage() {
+    return Container(
+      margin: const EdgeInsets.only(bottom: AppDimensions.paddingMedium),
+      padding: const EdgeInsets.all(AppDimensions.paddingMedium),
+      decoration: BoxDecoration(
+        color: AppColors.error.withValues(alpha: 0.15),
+        borderRadius: BorderRadius.circular(12),
+        border: Border.all(
+          color: AppColors.error.withValues(alpha: 0.3),
+          width: 1,
+        ),
+      ),
+      child: Row(
+        children: [
+          Icon(LucideIcons.alertCircle, color: AppColors.error, size: 20),
+          const SizedBox(width: 8),
+          Expanded(
+            child: Text(
+              _errorMessage!,
+              style: TextStyle(
+                fontFamily: 'Inter',
+                fontSize: 14,
+                color: AppColors.error,
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  // ─── Generating View ───
+
+  Widget _buildGeneratingView() {
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          const CircularProgressIndicator(color: AppColors.primaryAction),
+          const SizedBox(height: AppDimensions.paddingMedium),
+          Text(
+            L10n.of(context)!.generatingRequest,
+            style: const TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 16,
+              color: AppColors.textSecondary,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  // ─── Waiting View (QR + sub-toggle + actions) ───
+
+  Widget _buildWaitingView() {
+    final l10n = L10n.of(context)!;
+    final formattedAmount = UnitFormatter.formatBalance(_amount, _activeUnit);
+
+    return Column(
+      children: [
+        Expanded(
+          child: SingleChildScrollView(
+            padding: const EdgeInsets.all(AppDimensions.paddingMedium),
+            child: Column(
+              children: [
+                // Amount header
+                Text(
+                  '$formattedAmount $_unitLabel',
+                  style: const TextStyle(
+                    fontFamily: 'Inter',
+                    fontSize: 28,
+                    fontWeight: FontWeight.bold,
+                    color: Colors.white,
+                  ),
+                ),
+                const SizedBox(height: AppDimensions.paddingLarge),
+
+                // QR Code with logo overlay
+                Center(
+                  child: Container(
+                    padding: const EdgeInsets.all(16),
+                    decoration: BoxDecoration(
+                      color: Colors.white,
+                      borderRadius: BorderRadius.circular(16),
+                    ),
+                    child: Stack(
+                      alignment: Alignment.center,
+                      children: [
+                        QrImageView(
+                          data: _getActiveQrContent(),
+                          version: QrVersions.auto,
+                          size: 260,
+                          backgroundColor: Colors.white,
+                          // TODO: use QrErrorCorrectLevel.M for universal mode once CDK fixes NIP-17 (cashubtc/cdk#1807)
+                          errorCorrectionLevel: QrErrorCorrectLevel.H,
+                        ),
+                        // TODO: re-enable Cashu logo overlay once CDK fixes NIP-17 (cashubtc/cdk#1807)
+                        // if (_activeMode == QrMode.cashu)
+                        //   Container(
+                        //     width: 48, height: 48,
+                        //     decoration: BoxDecoration(
+                        //       color: Colors.white,
+                        //       borderRadius: BorderRadius.circular(10),
+                        //       border: Border.all(color: Colors.white, width: 4),
+                        //     ),
+                        //     child: ClipRRect(
+                        //       borderRadius: BorderRadius.circular(6),
+                        //       child: Image.asset('assets/img/cashu.png', fit: BoxFit.contain),
+                        //     ),
+                        //   ),
+                        Container(
+                          width: 48,
+                          height: 48,
+                          decoration: BoxDecoration(
+                            color: AppColors.bitcoinOrange,
+                            borderRadius: BorderRadius.circular(10),
+                            border: Border.all(color: Colors.white, width: 4),
+                          ),
+                          child: const Icon(
+                            LucideIcons.zap,
+                            color: Colors.white,
+                            size: 28,
+                          ),
+                        ),
+                      ],
+                    ),
+                  ),
+                ),
+                const SizedBox(height: AppDimensions.paddingMedium),
+
+                // Sub-toggle: Universal / Cashu / Lightning
+                _buildModeToggle(),
+                const SizedBox(height: AppDimensions.paddingMedium),
+
+                // Action buttons: Copy, NFC, Share
+                _buildActionButtons(),
+                const SizedBox(height: AppDimensions.paddingMedium),
+
+                // Status indicator
+                _buildStatusIndicator(),
+              ],
+            ),
+          ),
+        ),
+
+        // Cancel button
+        Padding(
+          padding: const EdgeInsets.all(AppDimensions.paddingMedium),
+          child: GestureDetector(
+            onTap: () => Navigator.pop(context),
+            child: Container(
+              width: double.infinity,
+              padding: const EdgeInsets.symmetric(vertical: 16),
+              decoration: BoxDecoration(
+                color: Colors.white.withValues(alpha: 0.1),
+                borderRadius: BorderRadius.circular(16),
+              ),
+              child: Center(
+                child: Text(
+                  l10n.cancel,
+                  style: const TextStyle(
+                    fontFamily: 'Inter',
+                    fontSize: 16,
+                    fontWeight: FontWeight.w600,
+                    color: Colors.white,
+                  ),
+                ),
+              ),
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildModeToggle() {
+    // TODO: re-enable Universal/Cashu tabs once CDK fixes NIP-17 (cashubtc/cdk#1807)
+    // Hidden while only Lightning is available (single button toggle is a no-op)
+    return const SizedBox.shrink(
+      // child: Container(
+      //   padding: const EdgeInsets.all(4),
+      //   decoration: BoxDecoration(
+      //     color: Colors.white.withValues(alpha: 0.1),
+      //     borderRadius: BorderRadius.circular(12),
+      //   ),
+      //   child: Row(
+      //     children: [
+      //       _buildToggleButton(label: L10n.of(context)!.universal, mode: QrMode.universal, enabled: _bolt11 != null),
+      //       _buildToggleButton(label: 'Cashu', mode: QrMode.cashu, enabled: true),
+      //       _buildToggleButton(label: 'Lightning', mode: QrMode.lightning, enabled: _bolt11 != null),
+      //     ],
+      //   ),
+      // ),
+    );
+  }
+
+  // TODO: re-enable once CDK fixes NIP-17 (cashubtc/cdk#1807)
+  // Widget _buildToggleButton({
+  //   required String label,
+  //   required QrMode mode,
+  //   required bool enabled,
+  // }) {
+  //   final isActive = _activeMode == mode;
+  //   return Expanded(
+  //     child: GestureDetector(
+  //       onTap: enabled
+  //           ? () {
+  //               setState(() => _activeMode = mode);
+  //               _updateNfcPayload();
+  //             }
+  //           : null,
+  //       child: Container(
+  //         padding: const EdgeInsets.symmetric(vertical: 10),
+  //         decoration: BoxDecoration(
+  //           gradient: isActive
+  //               ? const LinearGradient(colors: AppColors.buttonGradient)
+  //               : null,
+  //           borderRadius: BorderRadius.circular(10),
+  //         ),
+  //         child: Center(
+  //           child: Text(
+  //             label,
+  //             style: TextStyle(
+  //               fontFamily: 'Inter',
+  //               fontSize: 13,
+  //               fontWeight: isActive ? FontWeight.w600 : FontWeight.w400,
+  //               color: enabled
+  //                   ? (isActive ? Colors.white : AppColors.textSecondary)
+  //                   : Colors.white.withValues(alpha: 0.3),
+  //             ),
+  //           ),
+  //         ),
+  //       ),
+  //     ),
+  //   );
+  // }
+
+  Widget _buildActionButtons() {
+    return Row(
+      mainAxisAlignment: MainAxisAlignment.center,
+      children: [
+        _buildActionButton(
+          icon: LucideIcons.copy,
+          label: L10n.of(context)!.copy,
+          onTap: _copyRequest,
+        ),
+        if (_nfcState == NfcState.enabled) ...[
+          const SizedBox(width: 16),
+          _buildActionButton(
+            icon: _nfcEmulating ? LucideIcons.wifiOff : LucideIcons.wifi,
+            label: 'NFC',
+            onTap: _toggleNfc,
+            active: _nfcEmulating,
+          ),
+        ],
+        const SizedBox(width: 16),
+        _buildActionButton(
+          icon: LucideIcons.share2,
+          label: L10n.of(context)!.share,
+          onTap: _shareRequest,
+        ),
+      ],
+    );
+  }
+
+  Widget _buildActionButton({
+    required IconData icon,
+    required String label,
+    required VoidCallback onTap,
+    bool active = false,
+  }) {
+    return GestureDetector(
+      onTap: onTap,
+      child: Container(
+        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 10),
+        decoration: BoxDecoration(
+          color: active
+              ? AppColors.primaryAction.withValues(alpha: 0.2)
+              : Colors.white.withValues(alpha: 0.1),
+          borderRadius: BorderRadius.circular(12),
+          border: active
+              ? Border.all(color: AppColors.primaryAction.withValues(alpha: 0.5))
+              : null,
+        ),
+        child: Row(
+          children: [
+            Icon(icon, color: active ? AppColors.primaryAction : AppColors.textSecondary, size: 18),
+            const SizedBox(width: 6),
+            Text(
+              label,
+              style: TextStyle(
+                fontFamily: 'Inter',
+                fontSize: 14,
+                color: active ? AppColors.primaryAction : AppColors.textSecondary,
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildStatusIndicator() {
+    return GlassCard(
+      padding: const EdgeInsets.all(AppDimensions.paddingMedium),
+      child: Row(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          SizedBox(
+            width: 20,
+            height: 20,
+            child: CircularProgressIndicator(
+              strokeWidth: 2,
+              valueColor: AlwaysStoppedAnimation<Color>(AppColors.textSecondary),
+            ),
+          ),
+          const SizedBox(width: 12),
+          Text(
+            L10n.of(context)!.waitingForPayment,
+            style: TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 16,
+              fontWeight: FontWeight.w600,
+              color: AppColors.textSecondary,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  // ─── Success View ───
+
+  Widget _buildSuccessView() {
+    final l10n = L10n.of(context)!;
+    final formattedAmount =
+        '+${UnitFormatter.formatBalance(_receivedAmount, _activeUnit)}';
+    final unitLabel = UnitFormatter.getUnitLabel(_activeUnit);
+
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Container(
+            width: 80,
+            height: 80,
+            decoration: BoxDecoration(
+              color: AppColors.success.withValues(alpha: 0.2),
+              shape: BoxShape.circle,
+            ),
+            child: const Icon(
+              LucideIcons.checkCircle2,
+              color: AppColors.success,
+              size: 40,
+            ),
+          ),
+          const SizedBox(height: AppDimensions.paddingMedium),
+          Text(
+            '$formattedAmount $unitLabel',
+            style: const TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 32,
+              fontWeight: FontWeight.bold,
+              color: Colors.white,
+            ),
+          ),
+          const SizedBox(height: AppDimensions.paddingSmall),
+          Text(
+            l10n.requestPaymentReceived,
+            style: TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 16,
+              color: AppColors.textSecondary,
+            ),
+          ),
+          const SizedBox(height: AppDimensions.paddingLarge * 2),
+          PrimaryButton(
+            text: l10n.backToHome,
+            onPressed: () =>
+                Navigator.popUntil(context, (route) => route.isFirst),
+          ),
+        ],
+      ),
+    );
+  }
+
+  // ─── Error View ───
+
+  Widget _buildErrorView() {
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Container(
+            width: 80,
+            height: 80,
+            decoration: BoxDecoration(
+              color: AppColors.error.withValues(alpha: 0.2),
+              shape: BoxShape.circle,
+            ),
+            child: const Icon(
+              LucideIcons.alertCircle,
+              color: AppColors.error,
+              size: 40,
+            ),
+          ),
+          const SizedBox(height: AppDimensions.paddingMedium),
+          Text(
+            L10n.of(context)!.error,
+            style: const TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 20,
+              fontWeight: FontWeight.bold,
+              color: Colors.white,
+            ),
+          ),
+          const SizedBox(height: AppDimensions.paddingSmall),
+          Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 32),
+            child: Text(
+              _errorMessage ?? L10n.of(context)!.unknownError,
+              style: TextStyle(
+                fontFamily: 'Inter',
+                fontSize: 14,
+                color: AppColors.textSecondary.withValues(alpha: 0.7),
+              ),
+              textAlign: TextAlign.center,
+            ),
+          ),
+          const SizedBox(height: AppDimensions.paddingLarge),
+          PrimaryButton(
+            text: L10n.of(context)!.back,
+            onPressed: () => setState(() {
+              _status = RequestStatus.input;
+              _errorMessage = null;
+            }),
+          ),
+        ],
+      ),
+    );
+  }
+
+  // ─── Logic ───
+
+  // TODO: re-enable once CDK fixes NIP-17 (cashubtc/cdk#1807)
+  // static const List<String> _defaultNostrRelays = [
+  //   'wss://relay.damus.io',
+  //   'wss://relay.primal.net',
+  //   'wss://nos.lol',
+  // ];
+
+  Future<void> _generateRequest() async {
+    final walletProvider = context.read<WalletProvider>();
+    final wallet = walletProvider.activeWallet;
+
+    // Clean up previous request state — await to ensure Rust locks are released
+    await _nostrSubscription?.cancel();
+    _nostrSubscription = null;
+    await _mintSubscription?.cancel();
+    _mintSubscription = null;
+    if (_nfcEmulating) {
+      NfcService.stopEmulating();
+      _nfcEmulating = false;
+    }
+    _paymentHandled = false;
+    _creqB = null;
+    _bolt11 = null;
+    // TODO: re-enable Cashu/Nostr payment request once CDK fixes NIP-17 sender pubkey bug
+    // See: https://github.com/cashubtc/cdk/issues/1807
+    // _activeMode = QrMode.lightning;
+
+    setState(() => _status = RequestStatus.generating);
+
+    if (wallet == null) {
+      setState(() {
+        _status = RequestStatus.error;
+        _errorMessage = 'No active wallet';
+      });
+      return;
+    }
+
+    try {
+      final description = _descriptionController.text.isNotEmpty
+          ? _descriptionController.text
+          : null;
+
+      // TODO: re-enable once CDK fixes NIP-17 (cashubtc/cdk#1807)
+      // // 1. Create payment request (creqB + Nostr keys)
+      // final request = await wallet.createPaymentRequest(
+      //   params: CreateRequestParams(
+      //     amount: _amount,
+      //     unit: _activeUnit,
+      //     description: description,
+      //     nostrRelays: _defaultNostrRelays,
+      //   ),
+      // );
+      //
+      // _creqB = request.creqB;
+      //
+      // // Persist handle for recovery if app is killed
+      // await walletProvider.savePendingNostrRequest(
+      //   request.listenerHandle.toPersisted(),
+      // );
+      //
+      // // 2. Start Nostr listener
+      // _nostrSubscription = wallet
+      //     .waitForNostrPayment(handle: request.listenerHandle)
+      //     .listen(_onNostrEvent);
+
+      // Lightning invoice generation via wallet provider
+      // (walletProvider.mintTokens handles pending invoice persistence and metadata)
+      final mintStream = await walletProvider.mintTokens(
+        _amount,
+        description,
+      );
+      if (!mounted) return;
+      _mintSubscription = mintStream.listen(_onMintEvent);
+    } catch (e) {
+      if (!mounted) return;
+      setState(() {
+        _status = RequestStatus.error;
+        _errorMessage = e.toString();
+      });
+    }
+  }
+
+  // TODO: re-enable once CDK fixes NIP-17 (cashubtc/cdk#1807)
+  // void _onNostrEvent(NostrPaymentEvent event) {
+  //   if (!mounted || _paymentHandled) return;
+  //   if (event.state == NostrPaymentState.received) {
+  //     _paymentHandled = true;
+  //     _mintSubscription?.cancel();
+  //     _onPaymentSuccess(event.amount ?? _amount);
+  //   }
+  // }
+
+  void _onMintEvent(MintQuote quote) {
+    if (!mounted) return;
+    switch (quote.state) {
+      case MintQuoteState.unpaid:
+        if (_bolt11 == null) {
+          setState(() {
+            _bolt11 = quote.request;
+            // TODO: switch to QrMode.universal once CDK fixes NIP-17 (cashubtc/cdk#1807)
+            // _activeMode = QrMode.lightning;
+            _status = RequestStatus.waiting;
+          });
+          _updateNfcPayload();
+        }
+        break;
+      case MintQuoteState.issued:
+        if (!_paymentHandled) {
+          _paymentHandled = true;
+          _nostrSubscription?.cancel();
+          _onPaymentSuccess(quote.amount ?? _amount);
+        }
+        break;
+      case MintQuoteState.error:
+        // No Nostr fallback while CDK NIP-17 bug is open (cashubtc/cdk#1807)
+        if (!_paymentHandled) {
+          if (_nfcEmulating) {
+            NfcService.stopEmulating();
+            _nfcEmulating = false;
+          }
+          setState(() {
+            _status = RequestStatus.error;
+            _errorMessage = quote.error ?? L10n.of(context)!.unknownError;
+          });
+        }
+        break;
+      default:
+        break;
+    }
+  }
+
+  Future<void> _onPaymentSuccess(BigInt amount) async {
+    if (_nfcEmulating) NfcService.stopEmulating();
+    setState(() {
+      _status = RequestStatus.received;
+      _receivedAmount = amount;
+    });
+    final walletProvider = context.read<WalletProvider>();
+    walletProvider.confettiController.fire();
+    // TODO: re-enable once CDK fixes NIP-17 (cashubtc/cdk#1807)
+    // Only remove pending Nostr request if this screen created one.
+    // Disabled while Nostr payment requests are disabled to avoid
+    // deleting a recovery record from a previous session.
+    // await walletProvider.removePendingNostrRequest();
+  }
+
+  // ─── QR Content ───
+
+  String _getActiveQrContent() {
+    // TODO: re-enable once CDK fixes NIP-17 (cashubtc/cdk#1807)
+    // case QrMode.universal:
+    //   return buildUnifiedUri(creqB: _creqB!, bolt11: _bolt11);
+    // case QrMode.cashu:
+    //   return _creqB!.toUpperCase();
+    return _bolt11?.toUpperCase() ?? '';
+  }
+
+  // ─── Actions ───
+
+  Future<void> _copyRequest() async {
+    final content = _getActiveQrContent();
+    await Clipboard.setData(ClipboardData(text: content));
+    if (mounted) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(L10n.of(context)!.copiedToClipboard),
+          backgroundColor: AppColors.success,
+          duration: const Duration(seconds: 2),
+        ),
+      );
+    }
+  }
+
+  void _toggleNfc() {
+    if (_nfcEmulating) {
+      NfcService.stopEmulating();
+      setState(() => _nfcEmulating = false);
+    } else {
+      NfcService.startEmulating(_getActiveQrContent());
+      setState(() => _nfcEmulating = true);
+    }
+  }
+
+  void _updateNfcPayload() {
+    if (_nfcEmulating) {
+      NfcService.startEmulating(_getActiveQrContent());
+    }
+  }
+
+  void _shareRequest() async {
+    final content = _getActiveQrContent();
+    final formattedAmount =
+        UnitFormatter.formatBalance(_amount, _activeUnit);
+    final unitLabel = UnitFormatter.getUnitLabel(_activeUnit);
+
+    await SharePlus.instance.share(
+      ShareParams(
+        text: '$formattedAmount $unitLabel\n\n$content',
+        subject: 'Payment Request - $formattedAmount $unitLabel',
+      ),
+    );
+  }
+}

lib/screens/1_splash/splash_screen.dart

@@ -2,12 +2,13 @@ import 'dart:async';
 import 'dart:math';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../widgets/common/gradient_background.dart';
 import '../../providers/settings_provider.dart';
 import '../../providers/wallet_provider.dart';
+import '../../providers/p2pk_provider.dart';
 import '../2_onboarding/welcome_screen.dart';
 import '../3_home/home_screen.dart';
 
@@ -78,6 +79,7 @@ class _SplashScreenState extends State<SplashScreen>
     try {
       final settingsProvider = context.read<SettingsProvider>();
       final walletProvider = context.read<WalletProvider>();
+      final p2pkProvider = context.read<P2PKProvider>();
 
       // Inicializar settings (cargar preferencias)
       await settingsProvider.initialize();
@@ -95,6 +97,14 @@ class _SplashScreenState extends State<SplashScreen>
         if (mnemonic != null && mnemonic.isNotEmpty) {
           await walletProvider.initialize(mnemonic);
 
+          // Inicializar P2PK (derivar clave principal del mnemonic)
+          // Aislado: P2PK es secundario, su fallo no debe bloquear la wallet
+          try {
+            await p2pkProvider.initialize(mnemonic);
+          } catch (e) {
+            debugPrint('[SplashScreen] Error initializing P2PK (non-fatal): $e');
+          }
+
           if (!mounted) return;
 
           // Restaurar mint y unidad activa desde settings

lib/screens/2_onboarding/backup_seed_screen.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../widgets/common/gradient_background.dart';

lib/screens/2_onboarding/create_wallet_screen.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../widgets/common/gradient_background.dart';
@@ -10,6 +10,7 @@ import '../../widgets/common/secondary_button.dart';
 import '../../widgets/common/glass_card.dart';
 import '../../providers/wallet_provider.dart';
 import '../../providers/settings_provider.dart';
+import '../../providers/p2pk_provider.dart';
 import 'backup_seed_screen.dart';
 import '../3_home/home_screen.dart';
 
@@ -36,6 +37,7 @@ class _CreateWalletScreenState extends State<CreateWalletScreen> {
     try {
       final walletProvider = context.read<WalletProvider>();
       final settingsProvider = context.read<SettingsProvider>();
+      final p2pkProvider = context.read<P2PKProvider>();
 
       // Generar mnemonic real (12 palabras BIP39)
       _mnemonic = walletProvider.generateNewMnemonic();
@@ -46,6 +48,13 @@ class _CreateWalletScreenState extends State<CreateWalletScreen> {
       // Inicializar wallet con el mnemonic
       await walletProvider.initialize(_mnemonic!);
 
+      // Inicializar P2PK (derivar clave principal del mnemonic)
+      try {
+        await p2pkProvider.initialize(_mnemonic!);
+      } catch (e) {
+        debugPrint('[CreateWalletScreen] Error initializing P2PK (non-fatal): $e');
+      }
+
       setState(() {
         _isCreating = false;
         _walletCreated = true;

lib/screens/2_onboarding/restore_wallet_screen.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../widgets/common/gradient_background.dart';
@@ -9,6 +9,7 @@ import '../../widgets/common/primary_button.dart';
 import '../../widgets/common/glass_card.dart';
 import '../../providers/wallet_provider.dart';
 import '../../providers/settings_provider.dart';
+import '../../providers/p2pk_provider.dart';
 import '../3_home/home_screen.dart';
 
 /// Pantalla de restauración de wallet
@@ -24,6 +25,7 @@ class _RestoreWalletScreenState extends State<RestoreWalletScreen> {
   final FocusNode _focusNode = FocusNode();
   bool _isRestoring = false;
   String? _errorMessage;
+  String? _statusMessage;
 
   int get _wordCount {
     final text = _seedController.text.trim();
@@ -55,16 +57,40 @@ class _RestoreWalletScreenState extends State<RestoreWalletScreen> {
     });
 
     try {
-      final mnemonic = _seedController.text.trim().toLowerCase();
+      final mnemonic =
+          _seedController.text.trim().toLowerCase().replaceAll(RegExp(r'\s+'), ' ');
       final walletProvider = context.read<WalletProvider>();
       final settingsProvider = context.read<SettingsProvider>();
+      final p2pkProvider = context.read<P2PKProvider>();
 
-      // Guardar mnemonic de forma segura
+      // Inicializar wallet primero (valida el mnemonic internamente).
+      // Si es inválido, el bridge Rust lanzará una excepción antes de persistir.
+      await walletProvider.initialize(mnemonic);
+
+      // Solo guardar mnemonic si initialize() pasó sin error
       await settingsProvider.saveMnemonic(mnemonic);
 
-      // Inicializar wallet (esto valida el mnemonic internamente)
-      // Si el mnemonic es inválido, cdk_flutter lanzará una excepción
-      await walletProvider.initialize(mnemonic);
+      // Inicializar P2PK (derivar clave principal del mnemonic)
+      try {
+        await p2pkProvider.initialize(mnemonic);
+      } catch (e) {
+        debugPrint('[RestoreWalletScreen] Error initializing P2PK (non-fatal): $e');
+      }
+
+      // Escanear mint activo para recuperar tokens existentes (NUT-13)
+      final activeMint = walletProvider.activeMintUrl;
+      if (activeMint != null && mounted) {
+        final l10n = L10n.of(context)!;
+        setState(() {
+          _statusMessage = l10n.restoreScanningMint;
+        });
+
+        try {
+          await walletProvider.restoreFromMint(activeMint);
+        } catch (e) {
+          debugPrint('[RestoreWalletScreen] Error scanning mint (non-fatal): $e');
+        }
+      }
 
       if (mounted) {
         Navigator.pushAndRemoveUntil(
@@ -74,9 +100,13 @@ class _RestoreWalletScreenState extends State<RestoreWalletScreen> {
         );
       }
     } catch (e) {
-      // Revertir el guardado del mnemonic si falló la inicialización
-      final settingsProvider = context.read<SettingsProvider>();
-      await settingsProvider.deleteWallet();
+      // Limpiar cualquier estado parcial si algo falló
+      try {
+        final settingsProvider = context.read<SettingsProvider>();
+        await settingsProvider.deleteWallet();
+      } catch (cleanupError) {
+        debugPrint('Error during restore cleanup: $cleanupError');
+      }
 
       final l10n = L10n.of(context)!;
       setState(() {
@@ -251,6 +281,22 @@ class _RestoreWalletScreenState extends State<RestoreWalletScreen> {
                       ? _restoreWallet
                       : null,
                 ),
+
+                if (_isRestoring && _statusMessage != null) ...[
+                  const SizedBox(height: AppDimensions.paddingMedium),
+                  SizedBox(
+                    width: double.infinity,
+                    child: Text(
+                      _statusMessage!,
+                      textAlign: TextAlign.center,
+                      style: TextStyle(
+                        fontFamily: 'Inter',
+                        fontSize: 14,
+                        color: AppColors.textSecondary.withValues(alpha: 0.8),
+                      ),
+                    ),
+                  ),
+                ],
               ],
             ),
           ),

lib/screens/2_onboarding/welcome_screen.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../providers/settings_provider.dart';
@@ -10,100 +10,29 @@ import '../../widgets/common/primary_button.dart';
 import '../../widgets/common/secondary_button.dart';
 import 'create_wallet_screen.dart';
 import 'restore_wallet_screen.dart';
+import '../8_settings/language_screen.dart';
 
 /// Pantalla de bienvenida - Onboarding
 class WelcomeScreen extends StatelessWidget {
   const WelcomeScreen({super.key});
 
-  static const _languages = [
-    {'code': 'es', 'flag': '🇪🇸', 'name': 'Español'},
-    {'code': 'en', 'flag': '🇬🇧', 'name': 'English'},
-  ];
+  // Mapa de códigos de idioma a banderas
+  static const Map<String, String> _languageFlags = {
+    'es': '🇪🇸',
+    'en': '🇬🇧',
+    'pt': '🇵🇹',
+    'fr': '🇫🇷',
+    'it': '🇮🇹',
+    'de': '🇩🇪',
+    'ru': '🇷🇺',
+    'zh': '🇨🇳',
+    'ja': '🇯🇵',
+    'ko': '🇰🇷',
+    'sw': '🇰🇪',
+  };
 
-  void _showLanguageSelector(BuildContext context) {
-    final settingsProvider = context.read<SettingsProvider>();
-
-    showModalBottomSheet(
-      context: context,
-      backgroundColor: Colors.transparent,
-      builder: (context) => Container(
-        padding: const EdgeInsets.all(AppDimensions.paddingMedium),
-        decoration: BoxDecoration(
-          color: AppColors.deepVoidPurple,
-          borderRadius: const BorderRadius.vertical(top: Radius.circular(24)),
-          border: Border.all(
-            color: Colors.white.withValues(alpha: 0.1),
-          ),
-        ),
-        child: Column(
-          mainAxisSize: MainAxisSize.min,
-          children: [
-            // Handle
-            Container(
-              margin: const EdgeInsets.only(bottom: 16),
-              width: 40,
-              height: 4,
-              decoration: BoxDecoration(
-                color: Colors.white.withValues(alpha: 0.3),
-                borderRadius: BorderRadius.circular(2),
-              ),
-            ),
-            // Opciones de idioma
-            ..._languages.map((lang) {
-              final isSelected = settingsProvider.locale == lang['code'];
-              return GestureDetector(
-                onTap: () {
-                  settingsProvider.setLocale(lang['code']!);
-                  Navigator.pop(context);
-                },
-                child: Container(
-                  width: double.infinity,
-                  margin: const EdgeInsets.only(bottom: 8),
-                  padding: const EdgeInsets.all(16),
-                  decoration: BoxDecoration(
-                    color: isSelected
-                        ? AppColors.primaryAction.withValues(alpha: 0.2)
-                        : Colors.white.withValues(alpha: 0.05),
-                    borderRadius: BorderRadius.circular(12),
-                    border: Border.all(
-                      color: isSelected
-                          ? AppColors.primaryAction.withValues(alpha: 0.5)
-                          : Colors.white.withValues(alpha: 0.1),
-                    ),
-                  ),
-                  child: Row(
-                    children: [
-                      Text(
-                        lang['flag']!,
-                        style: const TextStyle(fontSize: 24),
-                      ),
-                      const SizedBox(width: 12),
-                      Text(
-                        lang['name']!,
-                        style: TextStyle(
-                          fontFamily: 'Inter',
-                          fontSize: 16,
-                          fontWeight: isSelected ? FontWeight.w600 : FontWeight.w500,
-                          color: isSelected ? AppColors.primaryAction : Colors.white,
-                        ),
-                      ),
-                      const Spacer(),
-                      if (isSelected)
-                        const Icon(
-                          LucideIcons.checkCircle,
-                          color: AppColors.primaryAction,
-                          size: 22,
-                        ),
-                    ],
-                  ),
-                ),
-              );
-            }),
-            const SizedBox(height: 8),
-          ],
-        ),
-      ),
-    );
+  String _getFlag(String locale) {
+    return _languageFlags[locale] ?? '🇪🇸';
   }
 
   @override
@@ -111,7 +40,7 @@ class WelcomeScreen extends StatelessWidget {
     final l10n = L10n.of(context)!;
 
     final settingsProvider = context.watch<SettingsProvider>();
-    final isSpanish = settingsProvider.locale == 'es';
+    final currentLocale = settingsProvider.locale;
 
     return GradientBackground(
       child: Scaffold(
@@ -125,7 +54,14 @@ class WelcomeScreen extends StatelessWidget {
                 Align(
                   alignment: Alignment.topRight,
                   child: GestureDetector(
-                    onTap: () => _showLanguageSelector(context),
+                    onTap: () {
+                      Navigator.push(
+                        context,
+                        MaterialPageRoute(
+                          builder: (context) => const LanguageScreen(),
+                        ),
+                      );
+                    },
                     child: Container(
                       padding: const EdgeInsets.symmetric(
                         horizontal: 12,
@@ -142,12 +78,12 @@ class WelcomeScreen extends StatelessWidget {
                         mainAxisSize: MainAxisSize.min,
                         children: [
                           Text(
-                            isSpanish ? '🇪🇸' : '🇬🇧',
+                            _getFlag(currentLocale),
                             style: const TextStyle(fontSize: 18),
                           ),
                           const SizedBox(width: 6),
                           Text(
-                            isSpanish ? 'ES' : 'EN',
+                            currentLocale.toUpperCase(),
                             style: const TextStyle(
                               fontFamily: 'Inter',
                               fontSize: 14,
@@ -157,7 +93,7 @@ class WelcomeScreen extends StatelessWidget {
                           ),
                           const SizedBox(width: 4),
                           Icon(
-                            LucideIcons.chevronDown,
+                            LucideIcons.chevronRight,
                             color: Colors.white.withValues(alpha: 0.7),
                             size: 18,
                           ),

lib/screens/3_home/home_screen.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
@@ -9,12 +9,12 @@ import '../../core/utils/incoming_data_parser.dart';
 import '../../widgets/common/gradient_background.dart';
 import '../../widgets/common/glass_card.dart';
 import '../../widgets/common/animated_action_button.dart';
-import '../../widgets/effects/cashu_confetti.dart';
 import '../../providers/wallet_provider.dart';
 import '../../providers/settings_provider.dart';
+import '../../providers/p2pk_provider.dart';
 import '../4_receive/receive_screen.dart';
 import '../5_send/send_screen.dart';
-import '../6_mint/mint_screen.dart';
+import '../12_request/request_screen.dart';
 import '../7_melt/melt_screen.dart';
 import '../8_settings/settings_screen.dart';
 import '../8_settings/mints_screen.dart';
@@ -34,9 +34,6 @@ class _HomeScreenState extends State<HomeScreen> {
   // Estado local
   bool _isBalanceVisible = true;
 
-  // Controller para el efecto confeti
-  final CashuConfettiController _confettiController = CashuConfettiController();
-
   @override
   void initState() {
     super.initState();
@@ -46,11 +43,8 @@ class _HomeScreenState extends State<HomeScreen> {
     });
   }
 
-  @override
-  void dispose() {
-    _confettiController.dispose();
-    super.dispose();
-  }
+  /// Dispara confetti global desde WalletProvider
+  void _fireConfetti() => context.read<WalletProvider>().confettiController.fire();
 
   /// Verifica y reclama automáticamente tokens pendientes
   Future<void> _checkPendingTokens() async {
@@ -58,15 +52,16 @@ class _HomeScreenState extends State<HomeScreen> {
     if (!walletProvider.hasPendingTokens) return;
 
     try {
-      final result = await walletProvider.checkPendingTokens();
+      final p2pkProvider = context.read<P2PKProvider>();
+      final result = await walletProvider.checkPendingTokens(
+        p2pkKeyResolver: p2pkProvider.getPrivateKeyForToken,
+      );
       final claimed = (result['claimed'] as int?) ?? 0;
       final totalClaimed = result['totalClaimed'] as BigInt? ?? BigInt.zero;
       final unit = (result['unit'] as String?) ?? walletProvider.activeUnit;
 
       if (claimed > 0 && mounted) {
-        // Disparar confetti
-        _confettiController.fire();
-
+        // Confetti se dispara globalmente desde WalletProvider.receiveToken
         // Mostrar snackbar
         final l10n = L10n.of(context)!;
         ScaffoldMessenger.of(context).showSnackBar(
@@ -84,9 +79,7 @@ class _HomeScreenState extends State<HomeScreen> {
 
   @override
   Widget build(BuildContext context) {
-    return CashuConfetti(
-      controller: _confettiController,
-      child: GradientBackground(
+    return GradientBackground(
         child: Scaffold(
           backgroundColor: Colors.transparent,
           body: SafeArea(
@@ -122,7 +115,6 @@ class _HomeScreenState extends State<HomeScreen> {
             ),
           ),
         ),
-      ),
     );
   }
 
@@ -161,7 +153,7 @@ class _HomeScreenState extends State<HomeScreen> {
 
           // El Caju (derecha) - toca para confeti
           GestureDetector(
-            onTap: () => _confettiController.fire(),
+            onTap: () => _fireConfetti(),
             child: Image.asset(
               'assets/img/elcajucubano.png',
               width: 56,
@@ -445,14 +437,14 @@ class _HomeScreenState extends State<HomeScreen> {
             },
           ),
           _MethodOption(
-            icon: LucideIcons.zap,
-            label: l10n.lightning,
-            description: l10n.generateInvoiceToDeposit,
+            icon: LucideIcons.bellRing,
+            label: l10n.request,
+            description: l10n.requestPaymentDescription,
             onTap: () {
               Navigator.pop(context);
               Navigator.push(
                 context,
-                MaterialPageRoute(builder: (context) => const MintScreen()),
+                MaterialPageRoute(builder: (context) => const RequestScreen()),
               );
             },
           ),

lib/screens/4_receive/receive_screen.dart

@@ -2,17 +2,21 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
 import '../../core/utils/incoming_data_parser.dart' hide TokenInfo;
+import '../../core/utils/nostr_utils.dart';
+import '../../core/utils/peanut_codec.dart';
+import '../../core/services/nfc_service.dart';
 import '../../widgets/common/gradient_background.dart';
 import '../../widgets/common/glass_card.dart';
 import '../../widgets/common/primary_button.dart';
-import '../../widgets/effects/cashu_confetti.dart';
 import '../../providers/wallet_provider.dart';
+import '../../providers/p2pk_provider.dart';
 import '../10_scanner/scan_screen.dart';
+import '../11_payment_request/payment_request_screen.dart';
 
 /// Pantalla para recibir tokens Cashu
 class ReceiveScreen extends StatefulWidget {
@@ -27,8 +31,6 @@ class ReceiveScreen extends StatefulWidget {
 
 class _ReceiveScreenState extends State<ReceiveScreen> {
   final TextEditingController _tokenController = TextEditingController();
-  final CashuConfettiController _confettiController = CashuConfettiController();
-
   // Estado del token
   bool _isValidToken = false;
   bool _isProcessing = false;
@@ -38,9 +40,23 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
   TokenInfo? _tokenInfo;
   String? _errorMessage;
 
+  // Estado P2PK
+  bool _isP2PKLocked = false;
+  bool _isLockedToUs = false;
+  String? _lockedToPubkeyHex;
+  String? _matchingKeyLabel; // Label de nuestra clave si coincide
+  final TextEditingController _manualKeyController = TextEditingController();
+  bool _showManualKey = false; // Toggle para mostrar/ocultar nsec
+  String? _manualKeyError;
+
+  // NFC
+  NfcState _nfcState = NfcState.unsupported;
+  bool _nfcReading = false;
+
   @override
   void initState() {
     super.initState();
+    _checkNfc();
     // Pre-cargar token inicial si existe
     if (widget.initialToken != null && widget.initialToken!.isNotEmpty) {
       WidgetsBinding.instance.addPostFrameCallback((_) {
@@ -52,16 +68,22 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
 
   @override
   void dispose() {
+    if (_nfcReading) NfcService.stopRead();
     _tokenController.dispose();
-    _confettiController.dispose();
+    _manualKeyController.dispose();
     super.dispose();
   }
 
+  Future<void> _checkNfc() async {
+    final state = await NfcService.checkState();
+    if (mounted) {
+      setState(() => _nfcState = state);
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
-    return CashuConfetti(
-      controller: _confettiController,
-      child: GradientBackground(
+    return GradientBackground(
         child: Scaffold(
           backgroundColor: Colors.transparent,
           appBar: AppBar(
@@ -84,7 +106,6 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
             child: _showSuccess ? _buildSuccessView() : _buildReceiveForm(),
           ),
         ),
-      ),
     );
   }
 
@@ -124,6 +145,12 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
                 // Preview del token (si es válido)
                 if (_isValidToken && _tokenInfo != null) _buildTokenPreview(),
 
+                // Indicador P2PK (si el token está bloqueado)
+                if (_isValidToken && _isP2PKLocked) ...[
+                  const SizedBox(height: AppDimensions.paddingMedium),
+                  _buildP2PKIndicator(),
+                ],
+
                 // Mensaje de error (si hay)
                 if (_errorMessage != null) _buildErrorMessage(),
               ],
@@ -234,6 +261,9 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
         // Botón pegar (expandido)
         Expanded(child: _buildPasteButton()),
         const SizedBox(width: 12),
+        // Botón NFC (siempre visible)
+        _buildNfcButton(),
+        const SizedBox(width: 12),
         // Botón escanear QR
         _buildScanButton(),
       ],
@@ -280,6 +310,134 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
     );
   }
 
+  Widget _buildNfcButton() {
+    final isNfcEnabled = _nfcState == NfcState.enabled;
+    final isNfcUnsupported = _nfcState == NfcState.unsupported;
+
+    return Tooltip(
+      message: isNfcUnsupported
+          ? L10n.of(context)!.nfcUnsupported
+          : isNfcEnabled
+              ? L10n.of(context)!.nfcRead
+              : L10n.of(context)!.nfcDisabled,
+      child: GestureDetector(
+        onTap: _toggleNfcRead,
+        child: Opacity(
+          opacity: isNfcUnsupported ? 0.3 : 1.0,
+          child: Container(
+            padding: const EdgeInsets.all(AppDimensions.paddingSmall + 4),
+            decoration: BoxDecoration(
+              color: _nfcReading
+                  ? AppColors.primaryAction.withValues(alpha: 0.3)
+                  : Colors.white.withValues(alpha: 0.1),
+              borderRadius: BorderRadius.circular(12),
+              border: Border.all(
+                color: _nfcReading
+                    ? AppColors.primaryAction
+                    : Colors.white.withValues(alpha: 0.2),
+                width: 1,
+              ),
+            ),
+            child: Icon(
+              LucideIcons.nfc,
+              color: _nfcReading
+                  ? AppColors.primaryAction
+                  : isNfcEnabled
+                      ? AppColors.textSecondary
+                      : AppColors.textSecondary.withValues(alpha: 0.5),
+              size: 24,
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  void _toggleNfcRead() async {
+    // Cancel active session first (before state checks, in case NFC was
+    // disabled while a session was running)
+    if (_nfcReading) {
+      NfcService.stopRead();
+      setState(() => _nfcReading = false);
+      return;
+    }
+
+    // Re-check state in case user toggled NFC in settings
+    final currentState = await NfcService.checkState();
+    if (mounted) setState(() => _nfcState = currentState);
+
+    if (currentState == NfcState.unsupported) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(L10n.of(context)!.nfcUnsupported),
+          backgroundColor: AppColors.textSecondary,
+          behavior: SnackBarBehavior.floating,
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+        ),
+      );
+      return;
+    }
+
+    if (currentState == NfcState.disabled) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(L10n.of(context)!.nfcDisabled),
+          backgroundColor: AppColors.warning,
+          behavior: SnackBarBehavior.floating,
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+        ),
+      );
+      return;
+    }
+
+    setState(() => _nfcReading = true);
+
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(
+        content: Text(L10n.of(context)!.nfcHoldNear),
+        backgroundColor: AppColors.primaryAction,
+        behavior: SnackBarBehavior.floating,
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+      ),
+    );
+
+    try {
+      await NfcService.startRead(
+        onTokenRead: (token) {
+          if (!mounted) return;
+          setState(() => _nfcReading = false);
+          _tokenController.text = token;
+          _onTokenChanged(token);
+        },
+        onError: (error) {
+          if (!mounted) return;
+          setState(() => _nfcReading = false);
+          ScaffoldMessenger.of(context).showSnackBar(
+            SnackBar(
+              content: Text(L10n.of(context)!.nfcReadError(error)),
+              backgroundColor: AppColors.error,
+              behavior: SnackBarBehavior.floating,
+              shape: RoundedRectangleBorder(
+                  borderRadius: BorderRadius.circular(8)),
+            ),
+          );
+        },
+      );
+    } catch (e) {
+      if (!mounted) return;
+      setState(() => _nfcReading = false);
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(L10n.of(context)!.nfcReadError(e.toString())),
+          backgroundColor: AppColors.error,
+          behavior: SnackBarBehavior.floating,
+          shape: RoundedRectangleBorder(
+              borderRadius: BorderRadius.circular(8)),
+        ),
+      );
+    }
+  }
+
   Widget _buildScanButton() {
     return GestureDetector(
       onTap: _openScanner,
@@ -457,41 +615,422 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
     );
   }
 
+  /// Widget que muestra el estado P2PK del token
+  Widget _buildP2PKIndicator() {
+    final l10n = L10n.of(context)!;
+
+    // Convertir pubkey hex a npub para mostrar
+    String? npubDisplay;
+    if (_lockedToPubkeyHex != null) {
+      try {
+        npubDisplay = NostrUtils.hexToNpub(_lockedToPubkeyHex!);
+      } catch (_) {
+        npubDisplay = _lockedToPubkeyHex; // Fallback a hex si falla conversión
+      }
+    }
+
+    // Truncar npub para display: npub1abc...xyz
+    String truncatedNpub = '';
+    if (npubDisplay != null && npubDisplay.length > 20) {
+      truncatedNpub = '${npubDisplay.substring(0, 12)}...${npubDisplay.substring(npubDisplay.length - 6)}';
+    } else {
+      truncatedNpub = npubDisplay ?? '';
+    }
+
+    return GlassCard(
+      padding: const EdgeInsets.all(AppDimensions.paddingMedium),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          // Encabezado con icono y estado
+          Row(
+            children: [
+              Container(
+                padding: const EdgeInsets.all(8),
+                decoration: BoxDecoration(
+                  color: _isLockedToUs
+                      ? AppColors.success.withValues(alpha: 0.2)
+                      : AppColors.warning.withValues(alpha: 0.2),
+                  shape: BoxShape.circle,
+                ),
+                child: Icon(
+                  _isLockedToUs ? LucideIcons.unlock : LucideIcons.lock,
+                  color: _isLockedToUs ? AppColors.success : AppColors.warning,
+                  size: 20,
+                ),
+              ),
+              const SizedBox(width: 12),
+              Expanded(
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Text(
+                      _isLockedToUs ? l10n.p2pkLockedToYou : l10n.p2pkLockedToOther,
+                      style: TextStyle(
+                        fontFamily: 'Inter',
+                        fontSize: 14,
+                        fontWeight: FontWeight.w600,
+                        color: _isLockedToUs ? AppColors.success : AppColors.warning,
+                      ),
+                    ),
+                    if (_isLockedToUs && _matchingKeyLabel != null)
+                      Text(
+                        _matchingKeyLabel!,
+                        style: TextStyle(
+                          fontFamily: 'Inter',
+                          fontSize: 12,
+                          color: AppColors.textSecondary,
+                        ),
+                      ),
+                  ],
+                ),
+              ),
+              // Badge experimental
+              Container(
+                padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
+                decoration: BoxDecoration(
+                  color: AppColors.warning.withValues(alpha: 0.2),
+                  borderRadius: BorderRadius.circular(8),
+                ),
+                child: Row(
+                  mainAxisSize: MainAxisSize.min,
+                  children: [
+                    Icon(
+                      LucideIcons.flaskConical,
+                      size: 12,
+                      color: AppColors.warning,
+                    ),
+                    const SizedBox(width: 4),
+                    Text(
+                      l10n.p2pkExperimentalShort,
+                      style: TextStyle(
+                        fontFamily: 'Inter',
+                        fontSize: 10,
+                        fontWeight: FontWeight.w500,
+                        color: AppColors.warning,
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            ],
+          ),
+
+          const SizedBox(height: 12),
+
+          // Pubkey (npub truncado) - tap para copiar
+          GestureDetector(
+            onTap: () {
+              if (npubDisplay != null) {
+                Clipboard.setData(ClipboardData(text: npubDisplay));
+                ScaffoldMessenger.of(context).showSnackBar(
+                  SnackBar(
+                    content: Text(l10n.copied('npub')),
+                    duration: const Duration(seconds: 2),
+                    backgroundColor: AppColors.success,
+                  ),
+                );
+              }
+            },
+            child: Container(
+              padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
+              decoration: BoxDecoration(
+                color: Colors.white.withValues(alpha: 0.05),
+                borderRadius: BorderRadius.circular(8),
+                border: Border.all(
+                  color: Colors.white.withValues(alpha: 0.1),
+                ),
+              ),
+              child: Row(
+                children: [
+                  Expanded(
+                    child: Text(
+                      truncatedNpub,
+                      style: TextStyle(
+                        fontFamily: 'monospace',
+                        fontSize: 12,
+                        color: AppColors.textSecondary,
+                      ),
+                    ),
+                  ),
+                  Icon(
+                    LucideIcons.copy,
+                    size: 14,
+                    color: AppColors.textSecondary.withValues(alpha: 0.7),
+                  ),
+                ],
+              ),
+            ),
+          ),
+
+          // Campo nsec manual (solo si NO es nuestra clave)
+          if (!_isLockedToUs) ...[
+            const SizedBox(height: 16),
+
+            // Mensaje de error si no puede desbloquear
+            Container(
+              padding: const EdgeInsets.all(12),
+              decoration: BoxDecoration(
+                color: AppColors.error.withValues(alpha: 0.1),
+                borderRadius: BorderRadius.circular(8),
+                border: Border.all(
+                  color: AppColors.error.withValues(alpha: 0.2),
+                ),
+              ),
+              child: Row(
+                children: [
+                  Icon(
+                    LucideIcons.alertTriangle,
+                    size: 16,
+                    color: AppColors.error,
+                  ),
+                  const SizedBox(width: 8),
+                  Expanded(
+                    child: Text(
+                      l10n.p2pkCannotUnlock,
+                      style: TextStyle(
+                        fontFamily: 'Inter',
+                        fontSize: 12,
+                        color: AppColors.error,
+                      ),
+                    ),
+                  ),
+                ],
+              ),
+            ),
+
+            const SizedBox(height: 12),
+
+            // Campo para ingresar nsec manualmente
+            Text(
+              l10n.p2pkEnterPrivateKey,
+              style: TextStyle(
+                fontFamily: 'Inter',
+                fontSize: 14,
+                fontWeight: FontWeight.w500,
+                color: AppColors.textSecondary,
+              ),
+            ),
+            const SizedBox(height: 8),
+
+            Container(
+              decoration: BoxDecoration(
+                color: Colors.white.withValues(alpha: 0.05),
+                borderRadius: BorderRadius.circular(12),
+                border: Border.all(
+                  color: _manualKeyError != null
+                      ? AppColors.error.withValues(alpha: 0.5)
+                      : Colors.white.withValues(alpha: 0.1),
+                ),
+              ),
+              child: Row(
+                children: [
+                  Expanded(
+                    child: TextField(
+                      controller: _manualKeyController,
+                      obscureText: !_showManualKey,
+                      style: const TextStyle(
+                        fontFamily: 'monospace',
+                        fontSize: 14,
+                        color: Colors.white,
+                      ),
+                      decoration: InputDecoration(
+                        hintText: 'nsec1... o hex',
+                        hintStyle: TextStyle(
+                          fontFamily: 'monospace',
+                          fontSize: 14,
+                          color: Colors.white.withValues(alpha: 0.3),
+                        ),
+                        border: InputBorder.none,
+                        contentPadding: const EdgeInsets.symmetric(
+                          horizontal: 12,
+                          vertical: 14,
+                        ),
+                      ),
+                      onChanged: (_) {
+                        setState(() {
+                          _manualKeyError = null;
+                        });
+                      },
+                    ),
+                  ),
+                  // Botón mostrar/ocultar
+                  IconButton(
+                    icon: Icon(
+                      _showManualKey ? LucideIcons.eyeOff : LucideIcons.eye,
+                      color: AppColors.textSecondary,
+                      size: 20,
+                    ),
+                    onPressed: () {
+                      setState(() {
+                        _showManualKey = !_showManualKey;
+                      });
+                    },
+                  ),
+                  // Botón pegar
+                  IconButton(
+                    icon: Icon(
+                      LucideIcons.clipboard,
+                      color: AppColors.textSecondary,
+                      size: 20,
+                    ),
+                    onPressed: () async {
+                      final clipboardData = await Clipboard.getData(Clipboard.kTextPlain);
+                      if (clipboardData?.text != null) {
+                        _manualKeyController.text = clipboardData!.text!.trim();
+                        setState(() {
+                          _manualKeyError = null;
+                        });
+                      }
+                    },
+                  ),
+                ],
+              ),
+            ),
+
+            // Error de clave manual
+            if (_manualKeyError != null) ...[
+              const SizedBox(height: 8),
+              Text(
+                _manualKeyError!,
+                style: TextStyle(
+                  fontFamily: 'Inter',
+                  fontSize: 12,
+                  color: AppColors.error,
+                ),
+              ),
+            ],
+          ],
+        ],
+      ),
+    );
+  }
+
   Widget _buildReceiveButton() {
     final l10n = L10n.of(context)!;
-    // Botón único "Recibir" - auto-detecta conectividad
+
+    // Determinar si el botón debe estar habilitado
+    bool canReceive = _isValidToken && !_isProcessing;
+
+    // Si es P2PK y NO es nuestra clave, necesita nsec manual válido
+    if (_isP2PKLocked && !_isLockedToUs) {
+      final manualKey = _manualKeyController.text.trim();
+      canReceive = canReceive && manualKey.isNotEmpty;
+    }
+
     return PrimaryButton(
       text: _isProcessing ? l10n.claiming : l10n.receive,
-      onPressed: _isValidToken && !_isProcessing ? _receiveToken : null,
+      onPressed: canReceive ? _receiveToken : null,
     );
   }
 
   Future<void> _pasteFromClipboard() async {
     final clipboardData = await Clipboard.getData(Clipboard.kTextPlain);
+    if (!mounted) return;
     if (clipboardData?.text != null) {
-      _tokenController.text = clipboardData!.text!.trim();
-      _onTokenChanged(clipboardData.text!.trim());
+      var text = clipboardData!.text!.trim();
+
+      // Auto-decode peanut emoji format
+      if (PeanutCodec.isPeanut(text)) {
+        final decoded = PeanutCodec.decode(text);
+        if (decoded != null) {
+          text = decoded;
+        } else {
+          // Malformed peanut: clear field and show specific error
+          _tokenController.clear();
+          setState(() {
+            _isValidToken = false;
+            _tokenInfo = null;
+            _errorMessage = L10n.of(context)!.peanutDecodeError;
+          });
+          return;
+        }
+      }
+
+      _tokenController.text = text;
+      _onTokenChanged(text);
     }
   }
 
   void _onTokenChanged(String value) {
     final walletProvider = context.read<WalletProvider>();
+    final p2pkProvider = context.read<P2PKProvider>();
+
+    // Auto-decode peanut emoji format
+    var tokenValue = value.trim();
+    if (PeanutCodec.isPeanut(tokenValue)) {
+      final decoded = PeanutCodec.decode(tokenValue);
+      if (decoded != null) {
+        tokenValue = decoded;
+        // Update the text field with the decoded token
+        _tokenController.text = tokenValue;
+        _tokenController.selection = TextSelection.collapsed(
+          offset: tokenValue.length,
+        );
+      } else {
+        // Malformed peanut: show specific error
+        setState(() {
+          _isValidToken = false;
+          _tokenInfo = null;
+          _errorMessage = L10n.of(context)!.peanutDecodeError;
+        });
+        return;
+      }
+    }
 
     setState(() {
       _errorMessage = null;
+      _manualKeyError = null;
 
-      if (value.isEmpty) {
+      // Reset P2PK state
+      _isP2PKLocked = false;
+      _isLockedToUs = false;
+      _lockedToPubkeyHex = null;
+      _matchingKeyLabel = null;
+
+      if (tokenValue.isEmpty) {
         _isValidToken = false;
         _tokenInfo = null;
         return;
       }
 
+      // Detectar payment request y redirigir
+      final parsed = IncomingDataParser.parse(tokenValue);
+      if (parsed.type == IncomingDataType.paymentRequest) {
+        _isValidToken = false;
+        _tokenInfo = null;
+        WidgetsBinding.instance.addPostFrameCallback((_) {
+          if (!mounted) return;
+          Navigator.pushReplacement(
+            context,
+            MaterialPageRoute(
+              builder: (context) => PaymentRequestScreen(
+                encodedRequest: tokenValue,
+              ),
+            ),
+          );
+        });
+        return;
+      }
+
       // Parsear token real con cdk-flutter
-      final tokenInfo = walletProvider.parseToken(value.trim());
+      final tokenInfo = walletProvider.parseToken(tokenValue);
 
       if (tokenInfo != null) {
         _isValidToken = true;
         _tokenInfo = tokenInfo;
+
+        // Detectar P2PK
+        _isP2PKLocked = p2pkProvider.isTokenLocked(tokenValue);
+        if (_isP2PKLocked) {
+          _lockedToPubkeyHex = p2pkProvider.extractLockedPubkey(tokenValue);
+          _isLockedToUs = p2pkProvider.isTokenLockedToUs(tokenValue);
+
+          // Si es nuestra, buscar el label de la clave
+          if (_isLockedToUs && _lockedToPubkeyHex != null) {
+            _matchingKeyLabel = _findMatchingKeyLabel(p2pkProvider);
+          }
+        }
       } else {
         _isValidToken = false;
         _tokenInfo = null;
@@ -500,6 +1039,31 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
     });
   }
 
+  /// Busca el label de la clave que coincide con el token P2PK
+  String? _findMatchingKeyLabel(P2PKProvider p2pkProvider) {
+    if (_lockedToPubkeyHex == null) return null;
+
+    // Normalizar a x-only para comparar
+    final lockedNormalized = _normalizeToXOnly(_lockedToPubkeyHex!);
+
+    for (final key in p2pkProvider.keys) {
+      final keyNormalized = _normalizeToXOnly(key.publicKey);
+      if (keyNormalized == lockedNormalized) {
+        return key.label;
+      }
+    }
+    return null;
+  }
+
+  /// Normaliza pubkey a x-only (64 chars) quitando prefijo SEC1 si existe
+  String _normalizeToXOnly(String pubkey) {
+    final lower = pubkey.toLowerCase();
+    if (lower.length == 66 && (lower.startsWith('02') || lower.startsWith('03'))) {
+      return lower.substring(2);
+    }
+    return lower;
+  }
+
   /// Método principal: recibe token con detección automática de conectividad.
   /// 1. Si el mint es desconocido y no hay conexión → rechazar
   /// 2. Ping al mint (3s) → si OK → claim → si falla → guardar pendiente
@@ -605,15 +1169,56 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
   /// Reclama el token directamente (cuando hay conexión).
   Future<void> _claimToken() async {
     final walletProvider = context.read<WalletProvider>();
+    final p2pkProvider = context.read<P2PKProvider>();
+    final l10n = L10n.of(context)!;
 
     // Guardar unidad detectada del token ANTES de reclamar
     final detectedUnit = _tokenInfo?.unit ?? walletProvider.activeUnit;
+    final token = _tokenController.text.trim();
 
     try {
-      // Reclamar token (usa unidad detectada internamente)
-      final amountReceived = await walletProvider.receiveToken(
-        _tokenController.text.trim(),
-      );
+      BigInt amountReceived;
+
+      if (_isP2PKLocked) {
+        // Token P2PK - necesita clave privada para desbloquear
+        String? privateKeyHex;
+
+        if (_isLockedToUs) {
+          // Es nuestra clave - obtener automáticamente
+          privateKeyHex = p2pkProvider.getPrivateKeyForToken(token);
+          if (privateKeyHex == null) {
+            throw Exception(l10n.p2pkCannotUnlock);
+          }
+        } else {
+          // No es nuestra - usar clave manual
+          final manualInput = _manualKeyController.text.trim();
+
+          // Intentar convertir nsec a hex
+          if (manualInput.startsWith('nsec1')) {
+            privateKeyHex = NostrUtils.nsecToHex(manualInput);
+          } else if (RegExp(r'^[0-9a-fA-F]{64}$').hasMatch(manualInput)) {
+            // Ya es hex de 64 caracteres
+            privateKeyHex = manualInput.toLowerCase();
+          }
+
+          if (privateKeyHex == null) {
+            setState(() {
+              _manualKeyError = l10n.p2pkInvalidPrivateKey;
+              _isProcessing = false;
+            });
+            return;
+          }
+        }
+
+        // Reclamar token P2PK
+        amountReceived = await walletProvider.receiveP2pkToken(
+          token,
+          [privateKeyHex],
+        );
+      } else {
+        // Token normal - flujo existente
+        amountReceived = await walletProvider.receiveToken(token);
+      }
 
       if (mounted) {
         setState(() {
@@ -623,12 +1228,10 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
           _isProcessing = false;
         });
 
-        // Disparar confetti
-        _confettiController.fire();
+        // Confetti se dispara globalmente desde WalletProvider.receiveToken
       }
     } catch (e) {
       if (!mounted) return;
-      final l10n = L10n.of(context)!;
       // Mensajes de error más amigables
       final errorStr = e.toString().toLowerCase();
       String errorMessage;
@@ -636,6 +1239,8 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
         errorMessage = l10n.tokenAlreadyClaimed;
       } else if (errorStr.contains('unknown mint') || errorStr.contains('mint not found')) {
         errorMessage = l10n.unknownMint;
+      } else if (errorStr.contains('cannot unlock') || errorStr.contains('p2pk')) {
+        errorMessage = l10n.p2pkCannotUnlock;
       } else {
         errorMessage = l10n.claimError(e.toString());
       }

lib/screens/5_send/offline_send_screen.dart

@@ -1,10 +1,12 @@
+import 'dart:convert';
 import 'package:flutter/material.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/models/proof.dart';
 import '../../core/services/proof_service.dart';
+import '../../src/rust/api/token.dart' as cdk;
 import '../../widgets/common/gradient_background.dart';
 import '../../widgets/common/glass_card.dart';
 import '../../widgets/common/primary_button.dart';
@@ -45,7 +47,7 @@ class _OfflineSendScreenState extends State<OfflineSendScreen> {
   @override
   void dispose() {
     _memoController.dispose();
-    _proofService.close();
+    if (!_isCreating) _proofService.close();
     super.dispose();
   }
 
@@ -132,12 +134,23 @@ class _OfflineSendScreenState extends State<OfflineSendScreen> {
           actions: [
             // Botón seleccionar/deseleccionar todos
             if (_availableProofs.isNotEmpty)
-              IconButton(
+              TextButton.icon(
                 icon: Icon(
                   _selectedIds.length == _availableProofs.length
                       ? LucideIcons.checkSquare
                       : LucideIcons.square,
                   color: AppColors.primaryAction,
+                  size: 20,
+                ),
+                label: Text(
+                  _selectedIds.length == _availableProofs.length
+                      ? L10n.of(context)!.deselectAll
+                      : L10n.of(context)!.selectAll,
+                  style: const TextStyle(
+                    color: AppColors.primaryAction,
+                    fontFamily: 'Inter',
+                    fontSize: 13,
+                  ),
                 ),
                 onPressed: _selectedIds.length == _availableProofs.length
                     ? _clearSelection
@@ -310,32 +323,40 @@ class _OfflineSendScreenState extends State<OfflineSendScreen> {
   }
 
   Future<void> _createOfflineToken() async {
+    final selectedProofs = _selectedProofs;
+    final selectedTotal = _proofService.calculateTotal(selectedProofs);
+    var proofsMarkedPending = false;
+
     setState(() {
       _isCreating = true;
     });
 
     try {
-      final selectedProofs = _selectedProofs;
-
       // Marcar proofs como PENDING_SPENT
       await _proofService.markProofsPendingSpent(selectedProofs);
+      proofsMarkedPending = true;
 
-      // Crear token V3
+      // Crear token via CDK (produce V4/cashuB válido)
       final memo = _memoController.text.isNotEmpty ? _memoController.text : null;
-      final token = _proofService.createTokenV3(
+      final proofsJson = jsonEncode(
+        selectedProofs.map((p) => p.toTokenProof()).toList(),
+      );
+      final cdkToken = cdk.createOfflineToken(
         mintUrl: widget.mintUrl,
-        proofs: selectedProofs,
+        proofsJson: proofsJson,
         memo: memo,
         unit: widget.unit,
       );
+      final token = cdkToken.encoded;
 
       if (mounted) {
+        _isCreating = false;
         Navigator.pushReplacement(
           context,
           MaterialPageRoute(
             builder: (context) => ShareTokenScreen(
               token: token,
-              amount: _selectedTotal,
+              amount: selectedTotal,
               unit: widget.unit,
               memo: memo,
             ),
@@ -343,7 +364,17 @@ class _OfflineSendScreenState extends State<OfflineSendScreen> {
         );
       }
     } catch (e) {
-      if (!mounted) return;
+      if (proofsMarkedPending) {
+        try {
+          await _proofService.markProofsUnspent(selectedProofs);
+        } catch (rollbackErr) {
+          debugPrint('Failed to rollback proofs to UNSPENT: $rollbackErr');
+        }
+      }
+      if (!mounted) {
+        _proofService.close();
+        return;
+      }
       final errorMessage = L10n.of(context)!.creatingTokenError(e.toString());
       setState(() {
         _errorMessage = errorMessage;

lib/screens/5_send/send_screen.dart

@@ -1,8 +1,9 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:http/http.dart' as http;
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
@@ -11,6 +12,8 @@ import '../../widgets/common/glass_card.dart';
 import '../../widgets/common/primary_button.dart';
 import '../../widgets/common/numpad_widget.dart';
 import '../../providers/wallet_provider.dart';
+import '../../core/utils/nostr_utils.dart';
+import '../../widgets/scanner/qr_scanner_widget.dart';
 import 'share_token_screen.dart';
 import 'offline_send_screen.dart';
 
@@ -24,6 +27,7 @@ class SendScreen extends StatefulWidget {
 
 class _SendScreenState extends State<SendScreen> {
   final TextEditingController _memoController = TextEditingController();
+  final TextEditingController _pubkeyController = TextEditingController();
 
   String _amountValue = '';
   bool _isProcessing = false;
@@ -31,6 +35,10 @@ class _SendScreenState extends State<SendScreen> {
   BigInt _availableBalance = BigInt.zero;
   late String _activeUnit;
 
+  // P2PK
+  bool _useP2PK = false;
+  String? _pubkeyError;
+
   @override
   void initState() {
     super.initState();
@@ -51,6 +59,7 @@ class _SendScreenState extends State<SendScreen> {
   @override
   void dispose() {
     _memoController.dispose();
+    _pubkeyController.dispose();
     super.dispose();
   }
 
@@ -111,6 +120,11 @@ class _SendScreenState extends State<SendScreen> {
 
                       const SizedBox(height: AppDimensions.paddingMedium),
 
+                      // P2PK (bloquear a clave pública)
+                      _buildP2PKSection(),
+
+                      const SizedBox(height: AppDimensions.paddingMedium),
+
                       // Mensaje de error (si hay)
                       if (_errorMessage != null) _buildErrorMessage(),
                     ],
@@ -260,6 +274,194 @@ class _SendScreenState extends State<SendScreen> {
     );
   }
 
+  Widget _buildP2PKSection() {
+    final l10n = L10n.of(context)!;
+
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.stretch,
+      children: [
+        GlassCard(
+          padding: const EdgeInsets.symmetric(
+            horizontal: AppDimensions.paddingMedium,
+            vertical: AppDimensions.paddingSmall,
+          ),
+          child: Row(
+            children: [
+              Icon(
+                LucideIcons.lock,
+                color: _useP2PK ? AppColors.primaryAction : AppColors.textSecondary,
+                size: 20,
+              ),
+              const SizedBox(width: 12),
+              Expanded(
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Text(
+                      l10n.p2pkLockToKey,
+                      style: const TextStyle(
+                        fontFamily: 'Inter',
+                        fontSize: 14,
+                        fontWeight: FontWeight.w500,
+                        color: Colors.white,
+                      ),
+                    ),
+                    Text(
+                      l10n.p2pkLockDescription,
+                      style: TextStyle(
+                        fontFamily: 'Inter',
+                        fontSize: 12,
+                        color: AppColors.textSecondary.withValues(alpha: 0.7),
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+              Switch(
+                value: _useP2PK,
+                onChanged: (value) => setState(() => _useP2PK = value),
+                activeColor: AppColors.primaryAction,
+              ),
+            ],
+          ),
+        ),
+
+        // Campo de pubkey cuando P2PK está activo
+        if (_useP2PK) ...[
+          const SizedBox(height: AppDimensions.paddingSmall),
+          GlassCard(
+            padding: const EdgeInsets.all(AppDimensions.paddingSmall),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                TextField(
+                  controller: _pubkeyController,
+                  onChanged: _validatePubkey,
+                  maxLines: 1,
+                  style: const TextStyle(
+                    fontFamily: 'Inter',
+                    fontSize: 14,
+                    color: Colors.white,
+                  ),
+                  decoration: InputDecoration(
+                    hintText: l10n.p2pkReceiverPubkey,
+                    hintStyle: TextStyle(
+                      fontFamily: 'Inter',
+                      fontSize: 14,
+                      color: Colors.white.withValues(alpha: 0.3),
+                    ),
+                    border: InputBorder.none,
+                    suffixIcon: Row(
+                      mainAxisSize: MainAxisSize.min,
+                      children: [
+                        IconButton(
+                          icon: const Icon(LucideIcons.clipboard, size: 20),
+                          color: AppColors.textSecondary,
+                          onPressed: _pastePubkey,
+                        ),
+                        IconButton(
+                          icon: const Icon(LucideIcons.scanLine, size: 20),
+                          color: AppColors.textSecondary,
+                          tooltip: l10n.scanQrCode,
+                          onPressed: _scanPubkey,
+                        ),
+                      ],
+                    ),
+                    errorText: _pubkeyError,
+                    errorStyle: TextStyle(
+                      fontFamily: 'Inter',
+                      fontSize: 12,
+                      color: AppColors.error,
+                    ),
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ],
+      ],
+    );
+  }
+
+  void _validatePubkey(String value) {
+    if (value.isEmpty) {
+      setState(() => _pubkeyError = null);
+      return;
+    }
+
+    final isValid = NostrUtils.isValidP2PKPubkey(value);
+    setState(() {
+      _pubkeyError = isValid ? null : L10n.of(context)!.p2pkInvalidPubkey;
+    });
+  }
+
+  Future<void> _pastePubkey() async {
+    final clipboardData = await Clipboard.getData(Clipboard.kTextPlain);
+    if (!mounted) return;
+    final text = clipboardData?.text?.trim();
+    if (text != null && text.isNotEmpty) {
+      _pubkeyController.text = text;
+      _validatePubkey(text);
+    }
+  }
+
+  Future<void> _scanPubkey() async {
+    final result = await Navigator.push<String>(
+      context,
+      MaterialPageRoute(
+        builder: (context) => Scaffold(
+          backgroundColor: Colors.black,
+          appBar: AppBar(
+            backgroundColor: Colors.transparent,
+            elevation: 0,
+            leading: IconButton(
+              icon: const Icon(LucideIcons.x, color: Colors.white),
+              onPressed: () => Navigator.pop(context),
+            ),
+            title: Text(
+              L10n.of(context)!.scanQrCode,
+              style: const TextStyle(
+                fontFamily: 'Inter',
+                fontWeight: FontWeight.w600,
+                color: Colors.white,
+              ),
+            ),
+            centerTitle: true,
+          ),
+          body: QrScannerWidget(
+            onDetect: (data) {
+              final trimmed = data.trim();
+              if (NostrUtils.isValidP2PKPubkey(trimmed)) {
+                Navigator.pop(context, trimmed);
+              } else {
+                ScaffoldMessenger.of(context).showSnackBar(
+                  SnackBar(
+                    content: Text(L10n.of(context)!.p2pkInvalidPubkey),
+                    duration: const Duration(seconds: 2),
+                  ),
+                );
+              }
+            },
+            onError: (error) {
+              debugPrint('[P2PK Scan] $error');
+              Navigator.pop(context);
+              ScaffoldMessenger.of(context).showSnackBar(
+                SnackBar(
+                  content: Text(L10n.of(context)!.cameraPermissionDenied),
+                  backgroundColor: AppColors.error,
+                ),
+              );
+            },
+          ),
+        ),
+      ),
+    );
+
+    if (!mounted || result == null) return;
+    _pubkeyController.text = result;
+    _validatePubkey(result);
+  }
+
   Widget _buildErrorMessage() {
     return Container(
       margin: const EdgeInsets.only(bottom: AppDimensions.paddingMedium),
@@ -297,9 +499,13 @@ class _SendScreenState extends State<SendScreen> {
 
   Widget _buildCreateButton() {
     final l10n = L10n.of(context)!;
+    // Si P2PK está habilitado, también debe haber una pubkey válida
+    final isP2PKValid = !_useP2PK ||
+        (_pubkeyController.text.isNotEmpty && _pubkeyError == null);
+    final canCreate = _isValidAmount && !_isProcessing && isP2PKValid;
     return PrimaryButton(
       text: _isProcessing ? l10n.creatingToken : l10n.createToken,
-      onPressed: _isValidAmount && !_isProcessing ? _showConfirmation : null,
+      onPressed: canCreate ? _showConfirmation : null,
     );
   }
 
@@ -359,6 +565,13 @@ class _SendScreenState extends State<SendScreen> {
     });
 
     if (!isOnline) {
+      // P2PK requiere conexión al mint
+      if (_useP2PK) {
+        setState(() {
+          _errorMessage = L10n.of(context)!.p2pkRequiresConnection;
+        });
+        return;
+      }
       // Offline: ir directo a selección de monedas
       _goToOfflineModeWithMessage();
       return;
@@ -368,6 +581,7 @@ class _SendScreenState extends State<SendScreen> {
     showModalBottomSheet(
       context: context,
       backgroundColor: Colors.transparent,
+      isScrollControlled: true,
       builder: (context) => _ConfirmationModal(
         amount: _amount,
         unit: _activeUnit,
@@ -394,6 +608,8 @@ class _SendScreenState extends State<SendScreen> {
   }
 
   Future<void> _createToken() async {
+    final l10n = L10n.of(context)!;
+
     setState(() {
       _isProcessing = true;
       _errorMessage = null;
@@ -405,7 +621,21 @@ class _SendScreenState extends State<SendScreen> {
       // Crear token real con cdk-flutter
       final memo = _memoController.text.isNotEmpty ? _memoController.text : null;
       final amount = _amount;
-      final token = await walletProvider.sendTokens(amount, memo);
+
+      String token;
+
+      // P2PK: bloquear a clave pública si está habilitado
+      if (_useP2PK && _pubkeyController.text.isNotEmpty) {
+        // Usar normalizeToCompressedHex para obtener formato SEC1 (66 chars)
+        final pubkeyHex = NostrUtils.normalizeToCompressedHex(_pubkeyController.text);
+        if (pubkeyHex == null) {
+          throw Exception(l10n.p2pkInvalidPubkey);
+        }
+        token = await walletProvider.sendTokensP2pk(amount, pubkeyHex, memo);
+      } else {
+        debugPrint('[SendScreen] Sending normal token, amount: $amount');
+        token = await walletProvider.sendTokens(amount, memo);
+      }
 
       if (mounted) {
         Navigator.pushReplacement(
@@ -420,7 +650,9 @@ class _SendScreenState extends State<SendScreen> {
           ),
         );
       }
-    } catch (e) {
+    } catch (e, stackTrace) {
+      debugPrint('[SendScreen] ERROR creating token: $e');
+      debugPrint('[SendScreen] Stack trace: $stackTrace');
       final errorStr = e.toString().toLowerCase();
 
       // Detectar errores de red y redirigir a modo offline
@@ -434,14 +666,15 @@ class _SendScreenState extends State<SendScreen> {
         return;
       }
 
-      final l10n = L10n.of(context)!;
-      setState(() {
-        if (errorStr.contains('insufficient') || errorStr.contains('not enough')) {
-          _errorMessage = l10n.insufficientBalance;
-        } else {
-          _errorMessage = l10n.tokenCreationError(e.toString());
-        }
-      });
+      if (mounted) {
+        setState(() {
+          if (errorStr.contains('insufficient') || errorStr.contains('not enough')) {
+            _errorMessage = l10n.insufficientBalance;
+          } else {
+            _errorMessage = l10n.tokenCreationError(e.toString());
+          }
+        });
+      }
     } finally {
       if (mounted) {
         setState(() {

lib/screens/5_send/share_token_screen.dart

@@ -4,11 +4,13 @@ import 'package:flutter/services.dart';
 import 'package:qr_flutter/qr_flutter.dart';
 import 'package:lucide_icons/lucide_icons.dart';
 import 'package:share_plus/share_plus.dart';
-import 'package:cdk_flutter/cdk_flutter.dart' as cdk;
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import '../../src/rust/api/token.dart' as cdk;
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
+import '../../core/utils/peanut_codec.dart';
+import '../../core/services/nfc_service.dart';
 import '../../widgets/common/gradient_background.dart';
 import '../../widgets/common/glass_card.dart';
 import '../../widgets/common/primary_button.dart';
@@ -44,21 +46,39 @@ class _ShareTokenScreenState extends State<ShareTokenScreen> {
   int _currentInterval = _intervalMedium;
   String _speedLabel = 'M';
 
+  // NFC
+  NfcState _nfcState = NfcState.unsupported;
+  bool _nfcWriting = false;
+
   @override
   void initState() {
     super.initState();
     _encodeTokenToUR();
+    _checkNfc();
   }
 
   @override
   void dispose() {
     _animationTimer?.cancel();
+    if (_nfcWriting) NfcService.stopEmulating();
     super.dispose();
   }
 
+  Future<void> _checkNfc() async {
+    final state = await NfcService.checkState();
+    if (mounted) {
+      setState(() => _nfcState = state);
+    }
+  }
+
   void _encodeTokenToUR() {
-    // Parsear el token string a objeto Token de cdk-flutter
-    final token = cdk.Token.parse(encoded: widget.token);
+    // Construir Token directamente sin Token.parse para evitar validación
+    // estricta de keyset IDs. encodeQrToken solo usa token.encoded.
+    final token = cdk.Token(
+      encoded: widget.token,
+      amount: widget.amount,
+      mintUrl: '',
+    );
 
     // Codificar a fragmentos UR usando cdk-flutter
     // maxFragmentLength por defecto es 150 bytes
@@ -155,9 +175,14 @@ class _ShareTokenScreenState extends State<ShareTokenScreen> {
 
                       const SizedBox(height: AppDimensions.paddingMedium),
 
-                      // Botones copiar y compartir
+                      // Botones principales: copiar y compartir
                       _buildActionButtons(context),
 
+                      const SizedBox(height: AppDimensions.paddingSmall),
+
+                      // Botones secundarios: bean (peanut) y NFC
+                      _buildSecondaryActions(context),
+
                       const SizedBox(height: AppDimensions.paddingLarge),
 
                       // Advertencia
@@ -450,6 +475,75 @@ class _ShareTokenScreenState extends State<ShareTokenScreen> {
     );
   }
 
+  Widget _buildSecondaryActions(BuildContext context) {
+    final isNfcEnabled = _nfcState == NfcState.enabled;
+    final isNfcUnsupported = _nfcState == NfcState.unsupported;
+
+    return Row(
+      mainAxisAlignment: MainAxisAlignment.center,
+      children: [
+        // Copiar como emoji (peanut encoding)
+        Tooltip(
+          message: L10n.of(context)!.copyAsEmoji,
+          child: GestureDetector(
+            onTap: () => _copyPeanut(context),
+            child: Container(
+              padding: const EdgeInsets.all(12),
+              decoration: BoxDecoration(
+                color: Colors.white.withValues(alpha: 0.07),
+                borderRadius: BorderRadius.circular(12),
+                border: Border.all(
+                  color: Colors.white.withValues(alpha: 0.1),
+                  width: 1,
+                ),
+              ),
+              child: Icon(LucideIcons.bean, color: AppColors.primaryAction, size: 20),
+            ),
+          ),
+        ),
+        const SizedBox(width: 12),
+        // NFC - siempre visible con 3 estados
+        Tooltip(
+          message: isNfcUnsupported
+              ? L10n.of(context)!.nfcUnsupported
+              : isNfcEnabled
+                  ? L10n.of(context)!.nfcWrite
+                  : L10n.of(context)!.nfcDisabled,
+          child: GestureDetector(
+            onTap: () => _writeNfc(context),
+            child: Opacity(
+              opacity: isNfcUnsupported ? 0.3 : 1.0,
+              child: Container(
+                padding: const EdgeInsets.all(12),
+                decoration: BoxDecoration(
+                  color: _nfcWriting
+                      ? AppColors.primaryAction.withValues(alpha: 0.3)
+                      : Colors.white.withValues(alpha: 0.07),
+                  borderRadius: BorderRadius.circular(12),
+                  border: Border.all(
+                    color: _nfcWriting
+                        ? AppColors.primaryAction
+                        : Colors.white.withValues(alpha: 0.1),
+                    width: 1,
+                  ),
+                ),
+                child: Icon(
+                  LucideIcons.nfc,
+                  color: _nfcWriting
+                      ? AppColors.primaryAction
+                      : isNfcEnabled
+                          ? AppColors.textSecondary
+                          : AppColors.textSecondary.withValues(alpha: 0.5),
+                  size: 20,
+                ),
+              ),
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+
   Widget _buildWarning() {
     return Container(
       padding: const EdgeInsets.all(AppDimensions.paddingMedium),
@@ -492,6 +586,19 @@ class _ShareTokenScreenState extends State<ShareTokenScreen> {
     );
   }
 
+  void _copyPeanut(BuildContext context) {
+    final peanut = PeanutCodec.encode(widget.token);
+    Clipboard.setData(ClipboardData(text: peanut));
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(
+        content: Text(L10n.of(context)!.emojiCopiedToClipboard),
+        backgroundColor: AppColors.success,
+        behavior: SnackBarBehavior.floating,
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+      ),
+    );
+  }
+
   void _shareToken(BuildContext context) async {
     final memo = widget.memo != null && widget.memo!.isNotEmpty
         ? '\n"${widget.memo}"'
@@ -508,6 +615,68 @@ class _ShareTokenScreenState extends State<ShareTokenScreen> {
     );
   }
 
+  void _writeNfc(BuildContext context) async {
+    // Toggle off: stop emulating
+    if (_nfcWriting) {
+      await NfcService.stopEmulating();
+      setState(() => _nfcWriting = false);
+      return;
+    }
+
+    // Re-check state in case user toggled NFC in settings
+    final currentState = await NfcService.checkState();
+    if (mounted) setState(() => _nfcState = currentState);
+
+    if (currentState == NfcState.unsupported) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(L10n.of(context)!.nfcUnsupported),
+          backgroundColor: AppColors.textSecondary,
+          behavior: SnackBarBehavior.floating,
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+        ),
+      );
+      return;
+    }
+
+    if (currentState == NfcState.disabled) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(L10n.of(context)!.nfcDisabled),
+          backgroundColor: AppColors.warning,
+          behavior: SnackBarBehavior.floating,
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+        ),
+      );
+      return;
+    }
+
+    try {
+      await NfcService.startEmulating(widget.token);
+      setState(() => _nfcWriting = true);
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(L10n.of(context)!.nfcHoldNear),
+          backgroundColor: AppColors.primaryAction,
+          behavior: SnackBarBehavior.floating,
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+        ),
+      );
+    } catch (e) {
+      if (!mounted) return;
+      setState(() => _nfcWriting = false);
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(L10n.of(context)!.nfcWriteError(e.toString())),
+          backgroundColor: AppColors.error,
+          behavior: SnackBarBehavior.floating,
+          shape: RoundedRectangleBorder(
+              borderRadius: BorderRadius.circular(8)),
+        ),
+      );
+    }
+  }
+
   void _goToHome(BuildContext context) {
     Navigator.of(context).popUntil((route) => route.isFirst);
   }

lib/screens/6_mint/invoice_screen.dart

@@ -4,14 +4,13 @@ import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 import 'package:qr_flutter/qr_flutter.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:cdk_flutter/cdk_flutter.dart' hide WalletProvider;
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import '../../src/rust/api/wallet.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
 import '../../widgets/common/gradient_background.dart';
 import '../../widgets/common/glass_card.dart';
-import '../../widgets/effects/cashu_confetti.dart';
 import '../../providers/wallet_provider.dart';
 
 /// Estados del proceso de mint
@@ -39,7 +38,6 @@ class _InvoiceScreenState extends State<InvoiceScreen> {
   String? _invoice;
   String? _errorMessage;
   StreamSubscription<MintQuote>? _mintSubscription;
-  final CashuConfettiController _confettiController = CashuConfettiController();
 
   @override
   void initState() {
@@ -50,15 +48,14 @@ class _InvoiceScreenState extends State<InvoiceScreen> {
   @override
   void dispose() {
     _mintSubscription?.cancel();
-    _confettiController.dispose();
     super.dispose();
   }
 
-  void _startMintProcess() {
+  Future<void> _startMintProcess() async {
     final walletProvider = context.read<WalletProvider>();
 
     try {
-      final mintStream = walletProvider.mintTokens(
+      final mintStream = await walletProvider.mintTokens(
         widget.amount,
         widget.description,
       );
@@ -83,10 +80,9 @@ class _InvoiceScreenState extends State<InvoiceScreen> {
                 _onMintCompleted();
                 break;
 
-              default:
-                // Cualquier otro estado se trata como error
+              case MintQuoteState.error:
                 _status = MintStatus.error;
-                _errorMessage = L10n.of(context)!.unknownState;
+                _errorMessage = quote.error ?? L10n.of(context)!.unknownError;
             }
           });
         },
@@ -107,8 +103,7 @@ class _InvoiceScreenState extends State<InvoiceScreen> {
   }
 
   void _onMintCompleted() {
-    // Disparar confetti inmediatamente
-    _confettiController.fire();
+    // Confetti se dispara globalmente desde WalletProvider._saveMintMetadata
 
     // Esperar a que termine el confetti antes de navegar
     Future.delayed(const Duration(seconds: 3), () {
@@ -133,25 +128,19 @@ class _InvoiceScreenState extends State<InvoiceScreen> {
 
   @override
   Widget build(BuildContext context) {
-    return CashuConfetti(
-      controller: _confettiController,
-      child: GradientBackground(
-        child: PopScope(
-          canPop: _status == MintStatus.issued || _status == MintStatus.error,
-          child: Scaffold(
+    return GradientBackground(
+        child: Scaffold(
             backgroundColor: Colors.transparent,
             appBar: AppBar(
               backgroundColor: Colors.transparent,
               elevation: 0,
-              leading: (_status == MintStatus.issued || _status == MintStatus.error)
-                  ? IconButton(
-                      icon: const Icon(
-                        LucideIcons.arrowLeft,
-                        color: Colors.white,
-                      ),
-                      onPressed: () => Navigator.pop(context),
-                    )
-                  : null,
+              leading: IconButton(
+                icon: const Icon(
+                  LucideIcons.arrowLeft,
+                  color: Colors.white,
+                ),
+                onPressed: () => Navigator.pop(context),
+              ),
               title: Text(
                 L10n.of(context)!.payInvoiceTitle,
                 style: const TextStyle(
@@ -181,9 +170,7 @@ class _InvoiceScreenState extends State<InvoiceScreen> {
                 child: _buildContent(),
               ),
             ),
-          ),
         ),
-      ),
     );
   }
 

lib/screens/6_mint/mint_screen.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
@@ -249,6 +249,7 @@ class _MintScreenState extends State<MintScreen> {
     showModalBottomSheet(
       context: context,
       backgroundColor: Colors.transparent,
+      isScrollControlled: true,
       builder: (context) => _ConfirmationModal(
         amount: _amount,
         unit: _activeUnit,

lib/screens/7_melt/amount_screen.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';

lib/screens/7_melt/melt_screen.dart

@@ -2,8 +2,8 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:cdk_flutter/cdk_flutter.dart' hide WalletProvider;
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import '../../src/rust/api/wallet.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
@@ -594,15 +594,28 @@ class _MeltScreenState extends State<MeltScreen> {
       }
     });
 
+    // Extract lightning invoice from BIP-321 URI if present
+    var inputValue = value;
+    if (value.trim().toLowerCase().startsWith('bitcoin:')) {
+      final parsed = IncomingDataParser.parse(value.trim());
+      if (parsed.invoiceBolt11 != null) {
+        inputValue = parsed.invoiceBolt11!;
+        _invoiceController.text = inputValue;
+        _invoiceController.selection = TextSelection.fromPosition(
+          TextPosition(offset: inputValue.length),
+        );
+      }
+    }
+
     // Detectar tipo de input (sin mostrar error, solo detectar)
-    final inputType = LnurlService.detectType(value);
+    final inputType = LnurlService.detectType(inputValue);
     setState(() => _inputType = inputType);
 
     // Solo procesar automáticamente invoices BOLT11
     // LNURL y Lightning Address requieren botón explícito
     if (inputType == LnInputType.bolt11Invoice) {
       // BOLT11 invoices son 200+ chars; evitar llamar API con input parcial
-      final cleaned = LnurlService.cleanInput(value);
+      final cleaned = LnurlService.cleanInput(inputValue);
       if (cleaned.length > 50) {
         _getQuote(cleaned);
       }

lib/screens/8_settings/language_screen.dart

@@ -0,0 +1,218 @@
+import 'package:flutter/material.dart';
+import 'package:lucide_icons/lucide_icons.dart';
+import 'package:provider/provider.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
+import '../../core/constants/colors.dart';
+import '../../core/constants/dimensions.dart';
+import '../../providers/settings_provider.dart';
+import '../../widgets/common/gradient_background.dart';
+import '../../widgets/common/glass_card.dart';
+
+/// Pantalla de selección de idioma
+class LanguageScreen extends StatelessWidget {
+  const LanguageScreen({super.key});
+
+  // Lista de idiomas ordenados por prioridad
+  static const List<_LanguageData> _languages = [
+    _LanguageData(code: 'es', flag: '🇪🇸'),
+    _LanguageData(code: 'en', flag: '🇬🇧'),
+    _LanguageData(code: 'pt', flag: '🇵🇹'),
+    _LanguageData(code: 'fr', flag: '🇫🇷'),
+    _LanguageData(code: 'it', flag: '🇮🇹'),
+    _LanguageData(code: 'de', flag: '🇩🇪'),
+    _LanguageData(code: 'ru', flag: '🇷🇺'),
+    _LanguageData(code: 'zh', flag: '🇨🇳'),
+    _LanguageData(code: 'ja', flag: '🇯🇵'),
+    _LanguageData(code: 'ko', flag: '🇰🇷'),
+    _LanguageData(code: 'sw', flag: '🇰🇪'),
+  ];
+
+  @override
+  Widget build(BuildContext context) {
+    final l10n = L10n.of(context)!;
+    return GradientBackground(
+      child: Scaffold(
+        backgroundColor: Colors.transparent,
+        appBar: AppBar(
+          backgroundColor: Colors.transparent,
+          elevation: 0,
+          leading: IconButton(
+            icon: const Icon(LucideIcons.arrowLeft, color: Colors.white),
+            onPressed: () => Navigator.pop(context),
+          ),
+          title: Text(
+            l10n.language,
+            style: const TextStyle(
+              fontFamily: 'Inter',
+              fontWeight: FontWeight.w600,
+              color: Colors.white,
+            ),
+          ),
+        ),
+        body: Consumer<SettingsProvider>(
+          builder: (context, settingsProvider, child) {
+            return SafeArea(
+              child: ListView.builder(
+                padding: const EdgeInsets.all(AppDimensions.paddingMedium),
+                itemCount: _languages.length,
+                itemBuilder: (context, index) {
+                  final lang = _languages[index];
+                  final isSelected = settingsProvider.locale == lang.code;
+                  final name = _getLanguageName(context, lang.code);
+
+                  return Padding(
+                    padding: const EdgeInsets.only(bottom: 8),
+                    child: _buildLanguageTile(
+                      context: context,
+                      settingsProvider: settingsProvider,
+                      code: lang.code,
+                      name: name,
+                      flag: lang.flag,
+                      isSelected: isSelected,
+                    ),
+                  );
+                },
+              ),
+            );
+          },
+        ),
+      ),
+    );
+  }
+
+  Widget _buildLanguageTile({
+    required BuildContext context,
+    required SettingsProvider settingsProvider,
+    required String code,
+    required String name,
+    required String flag,
+    required bool isSelected,
+  }) {
+    return GlassCard(
+      onTap: () => _selectLanguage(context, settingsProvider, code, name),
+      padding: const EdgeInsets.symmetric(
+        horizontal: AppDimensions.paddingMedium,
+        vertical: AppDimensions.paddingMedium,
+      ),
+      child: Row(
+        children: [
+          // Bandera
+          Container(
+            width: 44,
+            height: 44,
+            decoration: BoxDecoration(
+              color: isSelected
+                  ? AppColors.primaryAction.withValues(alpha: 0.2)
+                  : Colors.white.withValues(alpha: 0.1),
+              borderRadius: BorderRadius.circular(12),
+            ),
+            child: Center(
+              child: Text(
+                flag,
+                style: const TextStyle(fontSize: 24),
+              ),
+            ),
+          ),
+          const SizedBox(width: AppDimensions.paddingMedium),
+          // Nombre del idioma
+          Expanded(
+            child: Text(
+              name,
+              style: TextStyle(
+                fontFamily: 'Inter',
+                fontSize: 16,
+                fontWeight: isSelected ? FontWeight.w600 : FontWeight.w400,
+                color: Colors.white,
+              ),
+            ),
+          ),
+          // Indicador de selección
+          if (isSelected)
+            Container(
+              width: 24,
+              height: 24,
+              decoration: BoxDecoration(
+                color: AppColors.primaryAction,
+                shape: BoxShape.circle,
+              ),
+              child: const Icon(
+                LucideIcons.check,
+                color: Colors.white,
+                size: 14,
+              ),
+            )
+          else
+            Container(
+              width: 24,
+              height: 24,
+              decoration: BoxDecoration(
+                shape: BoxShape.circle,
+                border: Border.all(
+                  color: Colors.white.withValues(alpha: 0.3),
+                  width: 2,
+                ),
+              ),
+            ),
+        ],
+      ),
+    );
+  }
+
+  String _getLanguageName(BuildContext context, String code) {
+    final l10n = L10n.of(context)!;
+    switch (code) {
+      case 'es':
+        return l10n.spanish;
+      case 'en':
+        return l10n.english;
+      case 'pt':
+        return l10n.portuguese;
+      case 'fr':
+        return l10n.french;
+      case 'de':
+        return l10n.german;
+      case 'it':
+        return l10n.italian;
+      case 'ru':
+        return l10n.russian;
+      case 'zh':
+        return l10n.chinese;
+      case 'ja':
+        return l10n.japanese;
+      case 'ko':
+        return l10n.korean;
+      case 'sw':
+        return l10n.swahili;
+      default:
+        return l10n.spanish;
+    }
+  }
+
+  Future<void> _selectLanguage(
+    BuildContext context,
+    SettingsProvider settingsProvider,
+    String code,
+    String name,
+  ) async {
+    await settingsProvider.setLocale(code);
+    if (context.mounted) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(L10n.of(context)!.languageChanged(name)),
+          backgroundColor: AppColors.success,
+        ),
+      );
+    }
+  }
+}
+
+/// Datos de cada idioma
+class _LanguageData {
+  final String code;
+  final String flag;
+
+  const _LanguageData({
+    required this.code,
+    required this.flag,
+  });
+}

lib/screens/8_settings/mint_detail_screen.dart

@@ -1,8 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:cdk_flutter/cdk_flutter.dart' show MintInfo, ContactInfo;
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import '../../src/rust/api/mint_info.dart' show MintInfo, ContactInfo;
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/utils/formatters.dart';
 import '../../widgets/common/gradient_background.dart';

lib/screens/8_settings/mints_screen.dart

@@ -1,8 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:lucide_icons/lucide_icons.dart';
 import 'package:provider/provider.dart';
-import 'package:cdk_flutter/cdk_flutter.dart' show MintInfo;
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import '../../src/rust/api/mint_info.dart' show MintInfo;
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
@@ -623,7 +623,7 @@ class _AddMintDialogState extends State<_AddMintDialog> {
     });
 
     try {
-      // Intentar agregar el mint (cdk_flutter validará la conexión)
+      // Intentar agregar el mint (el bridge Rust validará la conexión)
       await widget.walletProvider.addMint(url);
 
       if (mounted) {

lib/screens/8_settings/p2pk_keys_screen.dart

@@ -0,0 +1,772 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:lucide_icons/lucide_icons.dart';
+import 'package:provider/provider.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
+import 'package:qr_flutter/qr_flutter.dart';
+import '../../core/constants/colors.dart';
+import '../../core/constants/dimensions.dart';
+import '../../core/utils/nostr_utils.dart';
+import '../../providers/p2pk_provider.dart';
+import '../../models/p2pk_key.dart';
+import '../../widgets/common/gradient_background.dart';
+import '../../widgets/common/glass_card.dart';
+
+/// Pantalla para gestionar claves P2PK
+class P2PKKeysScreen extends StatefulWidget {
+  const P2PKKeysScreen({super.key});
+
+  @override
+  State<P2PKKeysScreen> createState() => _P2PKKeysScreenState();
+}
+
+class _P2PKKeysScreenState extends State<P2PKKeysScreen> {
+  @override
+  Widget build(BuildContext context) {
+    final l10n = L10n.of(context)!;
+
+    return GradientBackground(
+      child: Scaffold(
+        backgroundColor: Colors.transparent,
+        appBar: AppBar(
+          backgroundColor: Colors.transparent,
+          elevation: 0,
+          leading: IconButton(
+            icon: const Icon(LucideIcons.arrowLeft, color: Colors.white),
+            onPressed: () => Navigator.pop(context),
+          ),
+          title: Text(
+            l10n.p2pkTitle,
+            style: const TextStyle(
+              fontFamily: 'Inter',
+              fontWeight: FontWeight.w600,
+              color: Colors.white,
+            ),
+          ),
+        ),
+        body: SafeArea(
+          child: Consumer<P2PKProvider>(
+            builder: (context, p2pkProvider, child) {
+              if (!p2pkProvider.isInitialized) {
+                return const Center(
+                  child: CircularProgressIndicator(
+                    color: AppColors.primaryAction,
+                  ),
+                );
+              }
+
+              return Column(
+                children: [
+                  // Contenido scrolleable
+                  Expanded(
+                    child: SingleChildScrollView(
+                      padding: const EdgeInsets.all(AppDimensions.paddingMedium),
+                      child: Column(
+                        crossAxisAlignment: CrossAxisAlignment.stretch,
+                        children: [
+                          // Banner experimental
+                          _buildExperimentalBanner(l10n),
+                          const SizedBox(height: AppDimensions.paddingMedium),
+
+                          // Clave principal
+                          if (p2pkProvider.primaryKey != null) ...[
+                            _buildSectionHeader(l10n.p2pkPrimaryKey),
+                            const SizedBox(height: AppDimensions.paddingSmall),
+                            _buildKeyCard(p2pkProvider.primaryKey!, p2pkProvider, l10n),
+                            const SizedBox(height: AppDimensions.paddingLarge),
+                          ],
+
+                          // Claves importadas
+                          _buildSectionHeader(l10n.p2pkImportedKeys),
+                          const SizedBox(height: AppDimensions.paddingSmall),
+
+                          if (p2pkProvider.importedKeys.isEmpty)
+                            _buildEmptyImportedState(l10n)
+                          else
+                            ...p2pkProvider.importedKeys.map(
+                              (key) => Padding(
+                                padding: const EdgeInsets.only(
+                                  bottom: AppDimensions.paddingSmall,
+                                ),
+                                child: _buildKeyCard(key, p2pkProvider, l10n),
+                              ),
+                            ),
+                        ],
+                      ),
+                    ),
+                  ),
+
+                  // Botón importar (fijo abajo)
+                  if (p2pkProvider.canImportMore)
+                    Padding(
+                      padding: const EdgeInsets.all(AppDimensions.paddingMedium),
+                      child: _buildImportButton(p2pkProvider, l10n),
+                    ),
+                ],
+              );
+            },
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildExperimentalBanner(L10n l10n) {
+    return Container(
+      padding: const EdgeInsets.all(12),
+      decoration: BoxDecoration(
+        color: AppColors.warning.withValues(alpha: 0.15),
+        borderRadius: BorderRadius.circular(12),
+        border: Border.all(
+          color: AppColors.warning.withValues(alpha: 0.3),
+        ),
+      ),
+      child: Row(
+        children: [
+          Icon(
+            LucideIcons.flaskConical,
+            color: AppColors.warning,
+            size: 20,
+          ),
+          const SizedBox(width: 12),
+          Expanded(
+            child: Text(
+              l10n.p2pkExperimental,
+              style: TextStyle(
+                fontFamily: 'Inter',
+                fontSize: 13,
+                color: AppColors.warning,
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildSectionHeader(String text) {
+    return Text(
+      text,
+      style: TextStyle(
+        fontFamily: 'Inter',
+        fontSize: 12,
+        fontWeight: FontWeight.bold,
+        letterSpacing: 1.5,
+        color: AppColors.textSecondary.withValues(alpha: 0.6),
+      ),
+    );
+  }
+
+  Widget _buildKeyCard(P2PKKey key, P2PKProvider provider, L10n l10n) {
+    String truncatedNpub;
+    try {
+      final npub = NostrUtils.hexToNpub(key.publicKey);
+      truncatedNpub = '${npub.substring(0, 12)}...${npub.substring(npub.length - 8)}';
+    } catch (_) {
+      truncatedNpub = key.publicKey.length > 16
+          ? '${key.publicKey.substring(0, 16)}...'
+          : key.publicKey;
+    }
+
+    return GlassCard(
+      padding: const EdgeInsets.all(AppDimensions.paddingMedium),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          // Header con label y badge
+          Row(
+            children: [
+              Expanded(
+                child: Text(
+                  key.label,
+                  style: const TextStyle(
+                    fontFamily: 'Inter',
+                    fontSize: 16,
+                    fontWeight: FontWeight.w600,
+                    color: Colors.white,
+                  ),
+                ),
+              ),
+              Container(
+                padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
+                decoration: BoxDecoration(
+                  color: key.isDerived
+                      ? AppColors.primaryAction.withValues(alpha: 0.2)
+                      : AppColors.secondaryAction.withValues(alpha: 0.2),
+                  borderRadius: BorderRadius.circular(6),
+                ),
+                child: Text(
+                  key.isDerived ? l10n.p2pkDerived : l10n.p2pkImported,
+                  style: TextStyle(
+                    fontFamily: 'Inter',
+                    fontSize: 11,
+                    fontWeight: FontWeight.w500,
+                    color: key.isDerived
+                        ? AppColors.primaryAction
+                        : AppColors.secondaryAction,
+                  ),
+                ),
+              ),
+            ],
+          ),
+
+          const SizedBox(height: 12),
+
+          // npub (tap to copy)
+          GestureDetector(
+            onTap: () {
+              final fullNpub = _safeNpub(key.publicKey);
+              Clipboard.setData(ClipboardData(text: fullNpub));
+              ScaffoldMessenger.of(context).showSnackBar(
+                SnackBar(
+                  content: Text(l10n.copied('npub')),
+                  duration: const Duration(seconds: 2),
+                  backgroundColor: AppColors.success,
+                ),
+              );
+            },
+            child: Container(
+              padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
+              decoration: BoxDecoration(
+                color: Colors.white.withValues(alpha: 0.05),
+                borderRadius: BorderRadius.circular(8),
+                border: Border.all(
+                  color: Colors.white.withValues(alpha: 0.1),
+                ),
+              ),
+              child: Row(
+                children: [
+                  Icon(
+                    LucideIcons.key,
+                    color: AppColors.textSecondary,
+                    size: 16,
+                  ),
+                  const SizedBox(width: 10),
+                  Expanded(
+                    child: Text(
+                      truncatedNpub,
+                      style: TextStyle(
+                        fontFamily: 'monospace',
+                        fontSize: 13,
+                        color: AppColors.textSecondary,
+                      ),
+                    ),
+                  ),
+                  Icon(
+                    LucideIcons.copy,
+                    color: AppColors.textSecondary.withValues(alpha: 0.5),
+                    size: 16,
+                  ),
+                ],
+              ),
+            ),
+          ),
+
+          const SizedBox(height: 12),
+
+          // Acciones
+          Row(
+            children: [
+              // Mostrar QR
+              Expanded(
+                child: GestureDetector(
+                  onTap: () => _showQRDialog(key, l10n),
+                  child: Container(
+                    padding: const EdgeInsets.symmetric(vertical: 10),
+                    decoration: BoxDecoration(
+                      color: Colors.white.withValues(alpha: 0.08),
+                      borderRadius: BorderRadius.circular(8),
+                    ),
+                    child: Row(
+                      mainAxisAlignment: MainAxisAlignment.center,
+                      children: [
+                        Icon(
+                          LucideIcons.qrCode,
+                          color: AppColors.textSecondary,
+                          size: 16,
+                        ),
+                        const SizedBox(width: 8),
+                        Text(
+                          l10n.p2pkShowQR,
+                          style: TextStyle(
+                            fontFamily: 'Inter',
+                            fontSize: 13,
+                            color: AppColors.textSecondary,
+                          ),
+                        ),
+                      ],
+                    ),
+                  ),
+                ),
+              ),
+
+              // Eliminar (solo para importadas)
+              if (!key.isDerived) ...[
+                const SizedBox(width: 8),
+                GestureDetector(
+                  onTap: () => _showDeleteDialog(key, provider, l10n),
+                  child: Container(
+                    padding: const EdgeInsets.symmetric(
+                      horizontal: 16,
+                      vertical: 10,
+                    ),
+                    decoration: BoxDecoration(
+                      color: AppColors.error.withValues(alpha: 0.15),
+                      borderRadius: BorderRadius.circular(8),
+                    ),
+                    child: Icon(
+                      LucideIcons.trash2,
+                      color: AppColors.error,
+                      size: 16,
+                    ),
+                  ),
+                ),
+              ],
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildEmptyImportedState(L10n l10n) {
+    return Container(
+      padding: const EdgeInsets.all(24),
+      decoration: BoxDecoration(
+        color: Colors.white.withValues(alpha: 0.03),
+        borderRadius: BorderRadius.circular(16),
+        border: Border.all(
+          color: Colors.white.withValues(alpha: 0.1),
+        ),
+      ),
+      child: Column(
+        children: [
+          Icon(
+            LucideIcons.keyRound,
+            color: AppColors.textSecondary.withValues(alpha: 0.4),
+            size: 40,
+          ),
+          const SizedBox(height: 12),
+          Text(
+            l10n.p2pkNoImportedKeys,
+            style: TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 14,
+              color: AppColors.textSecondary.withValues(alpha: 0.6),
+            ),
+            textAlign: TextAlign.center,
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildImportButton(P2PKProvider provider, L10n l10n) {
+    return GestureDetector(
+      onTap: () => _showImportDialog(provider, l10n),
+      child: Container(
+        padding: const EdgeInsets.symmetric(vertical: 16),
+        decoration: BoxDecoration(
+          gradient: const LinearGradient(
+            colors: [AppColors.primaryAction, Color(0xFFFF9100)],
+          ),
+          borderRadius: BorderRadius.circular(16),
+        ),
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            const Icon(LucideIcons.plus, color: Colors.white, size: 20),
+            const SizedBox(width: 8),
+            Text(
+              l10n.p2pkImportNsec,
+              style: const TextStyle(
+                fontFamily: 'Inter',
+                fontSize: 16,
+                fontWeight: FontWeight.w600,
+                color: Colors.white,
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  // ============ DIÁLOGOS ============
+
+  void _showQRDialog(P2PKKey key, L10n l10n) {
+    final npub = _safeNpub(key.publicKey);
+
+    showDialog(
+      context: context,
+      builder: (context) => AlertDialog(
+        backgroundColor: AppColors.deepVoidPurple,
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(24)),
+        content: SizedBox(
+          width: 280,
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              Text(
+                key.label,
+                style: const TextStyle(
+                  fontFamily: 'Inter',
+                  fontSize: 18,
+                  fontWeight: FontWeight.bold,
+                  color: Colors.white,
+                ),
+              ),
+              const SizedBox(height: 16),
+              Container(
+                padding: const EdgeInsets.all(16),
+                decoration: BoxDecoration(
+                  color: Colors.white,
+                  borderRadius: BorderRadius.circular(12),
+                ),
+                child: QrImageView(
+                  data: npub,
+                  version: QrVersions.auto,
+                  size: 200,
+                  backgroundColor: Colors.white,
+                ),
+              ),
+              const SizedBox(height: 16),
+              GestureDetector(
+                onTap: () {
+                  Clipboard.setData(ClipboardData(text: npub));
+                  ScaffoldMessenger.of(context).showSnackBar(
+                    SnackBar(
+                      content: Text(l10n.copied('npub')),
+                      duration: const Duration(seconds: 2),
+                      backgroundColor: AppColors.success,
+                    ),
+                  );
+                },
+                child: Container(
+                  padding: const EdgeInsets.symmetric(
+                    horizontal: 16,
+                    vertical: 10,
+                  ),
+                  decoration: BoxDecoration(
+                    color: Colors.white.withValues(alpha: 0.1),
+                    borderRadius: BorderRadius.circular(8),
+                  ),
+                  child: Row(
+                    mainAxisSize: MainAxisSize.min,
+                    children: [
+                      Icon(
+                        LucideIcons.copy,
+                        color: AppColors.textSecondary,
+                        size: 16,
+                      ),
+                      const SizedBox(width: 8),
+                      Text(
+                        l10n.p2pkCopy,
+                        style: TextStyle(
+                          fontFamily: 'Inter',
+                          fontSize: 14,
+                          color: AppColors.textSecondary,
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+              ),
+            ],
+          ),
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context),
+            child: Text(
+              l10n.close,
+              style: const TextStyle(
+                fontFamily: 'Inter',
+                color: AppColors.textSecondary,
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  void _showImportDialog(P2PKProvider provider, L10n l10n) {
+    final nsecController = TextEditingController();
+    final labelController = TextEditingController();
+    bool obscureNsec = true;
+    String? errorMessage;
+
+    showDialog(
+      context: context,
+      builder: (context) => StatefulBuilder(
+        builder: (context, setDialogState) {
+          final nsecBorder = OutlineInputBorder(
+            borderRadius: BorderRadius.circular(12),
+            borderSide: errorMessage != null
+                ? const BorderSide(color: AppColors.error)
+                : BorderSide.none,
+          );
+          return AlertDialog(
+          backgroundColor: AppColors.deepVoidPurple,
+          shape: RoundedRectangleBorder(
+            borderRadius: BorderRadius.circular(24),
+          ),
+          title: Text(
+            l10n.p2pkImportNsec,
+            style: const TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 20,
+              fontWeight: FontWeight.bold,
+              color: Colors.white,
+            ),
+          ),
+          content: SizedBox(
+            width: 300,
+            child: Column(
+              mainAxisSize: MainAxisSize.min,
+              crossAxisAlignment: CrossAxisAlignment.stretch,
+              children: [
+                // Label
+                TextField(
+                  controller: labelController,
+                  style: const TextStyle(
+                    fontFamily: 'Inter',
+                    fontSize: 14,
+                    color: Colors.white,
+                  ),
+                  decoration: InputDecoration(
+                    hintText: l10n.p2pkEnterLabel,
+                    hintStyle: TextStyle(
+                      fontFamily: 'Inter',
+                      fontSize: 14,
+                      color: Colors.white.withValues(alpha: 0.3),
+                    ),
+                    filled: true,
+                    fillColor: Colors.white.withValues(alpha: 0.05),
+                    border: OutlineInputBorder(
+                      borderRadius: BorderRadius.circular(12),
+                      borderSide: BorderSide.none,
+                    ),
+                    prefixIcon: Icon(
+                      LucideIcons.tag,
+                      color: AppColors.textSecondary,
+                      size: 18,
+                    ),
+                  ),
+                ),
+
+                const SizedBox(height: 12),
+
+                // nsec input
+                TextField(
+                  controller: nsecController,
+                  obscureText: obscureNsec,
+                  style: const TextStyle(
+                    fontFamily: 'monospace',
+                    fontSize: 14,
+                    color: Colors.white,
+                  ),
+                  decoration: InputDecoration(
+                    hintText: 'nsec1...',
+                    hintStyle: TextStyle(
+                      fontFamily: 'monospace',
+                      fontSize: 14,
+                      color: Colors.white.withValues(alpha: 0.3),
+                    ),
+                    filled: true,
+                    fillColor: Colors.white.withValues(alpha: 0.05),
+                    border: nsecBorder,
+                    enabledBorder: nsecBorder,
+                    focusedBorder: nsecBorder,
+                    prefixIcon: Icon(
+                      LucideIcons.keyRound,
+                      color: AppColors.textSecondary,
+                      size: 18,
+                    ),
+                    suffixIcon: Row(
+                      mainAxisSize: MainAxisSize.min,
+                      children: [
+                        IconButton(
+                          icon: Icon(
+                            obscureNsec ? LucideIcons.eye : LucideIcons.eyeOff,
+                            color: AppColors.textSecondary,
+                            size: 18,
+                          ),
+                          onPressed: () {
+                            setDialogState(() => obscureNsec = !obscureNsec);
+                          },
+                        ),
+                        IconButton(
+                          icon: Icon(
+                            LucideIcons.clipboard,
+                            color: AppColors.textSecondary,
+                            size: 18,
+                          ),
+                          onPressed: () async {
+                            final data = await Clipboard.getData('text/plain');
+                            if (data?.text != null) {
+                              nsecController.text = data!.text!;
+                            }
+                          },
+                        ),
+                      ],
+                    ),
+                  ),
+                ),
+
+                // Error message
+                if (errorMessage != null) ...[
+                  const SizedBox(height: 8),
+                  Text(
+                    errorMessage!,
+                    style: const TextStyle(
+                      fontFamily: 'Inter',
+                      fontSize: 12,
+                      color: AppColors.error,
+                    ),
+                  ),
+                ],
+              ],
+            ),
+          ),
+          actions: [
+            TextButton(
+              onPressed: () => Navigator.pop(context),
+              child: Text(
+                l10n.cancel,
+                style: const TextStyle(
+                  fontFamily: 'Inter',
+                  color: AppColors.textSecondary,
+                ),
+              ),
+            ),
+            TextButton(
+              onPressed: () async {
+                try {
+                  await provider.importFromNsec(
+                    nsecController.text.trim(),
+                    labelController.text.trim(),
+                  );
+                  if (context.mounted) {
+                    Navigator.pop(context);
+                    ScaffoldMessenger.of(context).showSnackBar(
+                      SnackBar(
+                        content: Text(l10n.success),
+                        backgroundColor: AppColors.success,
+                      ),
+                    );
+                  }
+                } on P2PKException catch (e) {
+                  setDialogState(() {
+                    errorMessage = _getErrorMessage(e.code, l10n);
+                  });
+                }
+              },
+              child: Text(
+                l10n.p2pkImport,
+                style: const TextStyle(
+                  fontFamily: 'Inter',
+                  fontWeight: FontWeight.w600,
+                  color: AppColors.primaryAction,
+                ),
+              ),
+            ),
+          ],
+        );
+        },
+      ),
+    );
+  }
+
+  void _showDeleteDialog(P2PKKey key, P2PKProvider provider, L10n l10n) {
+    showDialog(
+      context: context,
+      builder: (context) => AlertDialog(
+        backgroundColor: AppColors.deepVoidPurple,
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(24)),
+        title: Text(
+          l10n.p2pkDeleteTitle,
+          style: const TextStyle(
+            fontFamily: 'Inter',
+            fontSize: 18,
+            fontWeight: FontWeight.bold,
+            color: Colors.white,
+          ),
+        ),
+        content: Text(
+          l10n.p2pkDeleteConfirm,
+          style: TextStyle(
+            fontFamily: 'Inter',
+            fontSize: 14,
+            color: AppColors.textSecondary,
+          ),
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context),
+            child: Text(
+              l10n.cancel,
+              style: const TextStyle(
+                fontFamily: 'Inter',
+                color: AppColors.textSecondary,
+              ),
+            ),
+          ),
+          TextButton(
+            onPressed: () async {
+              try {
+                await provider.removeKey(key.id);
+                if (context.mounted) {
+                  Navigator.pop(context);
+                }
+              } catch (e) {
+                if (context.mounted) {
+                  Navigator.pop(context);
+                  ScaffoldMessenger.of(context).showSnackBar(
+                    SnackBar(
+                      content: Text(l10n.error),
+                      backgroundColor: AppColors.error,
+                    ),
+                  );
+                }
+              }
+            },
+            child: Text(
+              l10n.delete,
+              style: const TextStyle(
+                fontFamily: 'Inter',
+                fontWeight: FontWeight.w600,
+                color: AppColors.error,
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  /// Convierte hex a npub de forma segura, retornando el hex como fallback.
+  String _safeNpub(String hex) {
+    try {
+      return NostrUtils.hexToNpub(hex);
+    } catch (_) {
+      return hex;
+    }
+  }
+
+  String _getErrorMessage(P2PKErrorCode code, L10n l10n) {
+    switch (code) {
+      case P2PKErrorCode.maxKeysReached:
+        return l10n.p2pkErrorMaxKeysReached;
+      case P2PKErrorCode.invalidNsec:
+        return l10n.p2pkErrorInvalidNsec;
+      case P2PKErrorCode.keyAlreadyExists:
+        return l10n.p2pkErrorKeyAlreadyExists;
+      case P2PKErrorCode.keyNotFound:
+        return l10n.p2pkErrorKeyNotFound;
+      case P2PKErrorCode.cannotDeletePrimaryKey:
+        return l10n.p2pkErrorCannotDeletePrimary;
+    }
+  }
+}

lib/screens/8_settings/settings_screen.dart

@@ -1,8 +1,9 @@
 import 'package:flutter/material.dart';
 import 'package:lucide_icons/lucide_icons.dart';
+import 'package:package_info_plus/package_info_plus.dart';
 import 'package:provider/provider.dart';
 import 'package:url_launcher/url_launcher.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
@@ -12,6 +13,8 @@ import '../../widgets/common/gradient_background.dart';
 import '../../widgets/common/glass_card.dart';
 import '../2_onboarding/backup_seed_screen.dart';
 import 'mints_screen.dart';
+import 'language_screen.dart';
+import 'p2pk_keys_screen.dart';
 
 /// Pantalla de configuración
 class SettingsScreen extends StatefulWidget {
@@ -22,6 +25,25 @@ class SettingsScreen extends StatefulWidget {
 }
 
 class _SettingsScreenState extends State<SettingsScreen> {
+  String _appVersion = '';
+
+  @override
+  void initState() {
+    super.initState();
+    _loadVersion();
+  }
+
+  Future<void> _loadVersion() async {
+    try {
+      final info = await PackageInfo.fromPlatform();
+      if (!mounted) return;
+      setState(() => _appVersion = info.version);
+    } catch (_) {
+      if (!mounted) return;
+      setState(() => _appVersion = '—');
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     final l10n = L10n.of(context)!;
@@ -93,6 +115,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
                       subtitle: l10n.scanMintsWithSeed,
                       onTap: () => _showRecoverTokensDialog(context, settingsProvider),
                     ),
+                    _buildP2PKTile(l10n),
 
                     const SizedBox(height: AppDimensions.paddingLarge),
 
@@ -103,7 +126,14 @@ class _SettingsScreenState extends State<SettingsScreen> {
                       icon: LucideIcons.globe,
                       title: l10n.language,
                       subtitle: _getLanguageName(settingsProvider.locale),
-                      onTap: () => _showLanguageSelector(context, settingsProvider),
+                      onTap: () {
+                        Navigator.push(
+                          context,
+                          MaterialPageRoute(
+                            builder: (context) => const LanguageScreen(),
+                          ),
+                        );
+                      },
                     ),
 
                     const SizedBox(height: AppDimensions.paddingLarge),
@@ -114,7 +144,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
                     _buildInfoTile(
                       icon: LucideIcons.tag,
                       title: l10n.version,
-                      subtitle: '0.0.1',
+                      subtitle: _appVersion,
                     ),
                     _buildSettingTile(
                       icon: LucideIcons.info,
@@ -217,6 +247,100 @@ class _SettingsScreenState extends State<SettingsScreen> {
     );
   }
 
+  Widget _buildP2PKTile(L10n l10n) {
+    return GlassCard(
+      onTap: () {
+        Navigator.push(
+          context,
+          MaterialPageRoute(
+            builder: (context) => const P2PKKeysScreen(),
+          ),
+        );
+      },
+      padding: const EdgeInsets.symmetric(
+        horizontal: AppDimensions.paddingMedium,
+        vertical: AppDimensions.paddingMedium,
+      ),
+      child: Row(
+        children: [
+          Container(
+            width: 40,
+            height: 40,
+            decoration: BoxDecoration(
+              color: Colors.white.withValues(alpha: 0.1),
+              borderRadius: BorderRadius.circular(10),
+            ),
+            child: const Icon(LucideIcons.keyRound, color: AppColors.textSecondary, size: 20),
+          ),
+          const SizedBox(width: AppDimensions.paddingMedium),
+          Expanded(
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                // Título con badge experimental
+                Row(
+                  children: [
+                    Text(
+                      l10n.p2pkTitle,
+                      style: const TextStyle(
+                        fontFamily: 'Inter',
+                        fontSize: 16,
+                        fontWeight: FontWeight.w500,
+                        color: Colors.white,
+                      ),
+                    ),
+                    const SizedBox(width: 8),
+                    Container(
+                      padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
+                      decoration: BoxDecoration(
+                        color: AppColors.error.withValues(alpha: 0.2),
+                        borderRadius: BorderRadius.circular(4),
+                      ),
+                      child: Row(
+                        mainAxisSize: MainAxisSize.min,
+                        children: [
+                          Icon(
+                            LucideIcons.flaskConical,
+                            color: AppColors.error,
+                            size: 12,
+                          ),
+                          const SizedBox(width: 4),
+                          Text(
+                            l10n.p2pkExperimentalShort,
+                            style: const TextStyle(
+                              fontFamily: 'Inter',
+                              fontSize: 10,
+                              fontWeight: FontWeight.w600,
+                              color: AppColors.error,
+                            ),
+                          ),
+                        ],
+                      ),
+                    ),
+                  ],
+                ),
+                // Descripción normal
+                Text(
+                  l10n.p2pkSettingsDescription,
+                  style: TextStyle(
+                    fontFamily: 'Inter',
+                    fontSize: 14,
+                    color: AppColors.textSecondary.withValues(alpha: 0.7),
+                  ),
+                ),
+              ],
+            ),
+          ),
+          Icon(
+            LucideIcons.chevronRight,
+            color: AppColors.textSecondary.withValues(alpha: 0.5),
+            size: 20,
+          ),
+        ],
+      ),
+    );
+  }
+
   Widget _buildInfoTile({
     required IconData icon,
     required String title,
@@ -319,6 +443,18 @@ class _SettingsScreenState extends State<SettingsScreen> {
         return l10n.french;
       case 'ru':
         return l10n.russian;
+      case 'de':
+        return l10n.german;
+      case 'it':
+        return l10n.italian;
+      case 'ko':
+        return l10n.korean;
+      case 'zh':
+        return l10n.chinese;
+      case 'ja':
+        return l10n.japanese;
+      case 'sw':
+        return l10n.swahili;
       default:
         return l10n.spanish;
     }
@@ -467,153 +603,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
     }
   }
 
-  /// 3. Selector de idioma
-  void _showLanguageSelector(
-      BuildContext context, SettingsProvider settingsProvider) {
-    final l10n = L10n.of(context)!;
-    showModalBottomSheet(
-      context: context,
-      backgroundColor: Colors.transparent,
-      builder: (context) => Container(
-        padding: const EdgeInsets.all(AppDimensions.paddingMedium),
-        decoration: BoxDecoration(
-          color: AppColors.deepVoidPurple,
-          borderRadius: const BorderRadius.vertical(top: Radius.circular(24)),
-          border: Border.all(
-            color: Colors.white.withValues(alpha: 0.1),
-            width: 1,
-          ),
-        ),
-        child: Column(
-          mainAxisSize: MainAxisSize.min,
-          children: [
-            // Handle
-            Container(
-              margin: const EdgeInsets.only(bottom: 16),
-              width: 40,
-              height: 4,
-              decoration: BoxDecoration(
-                color: Colors.white.withValues(alpha: 0.3),
-                borderRadius: BorderRadius.circular(2),
-              ),
-            ),
-            Text(
-              l10n.selectLanguage,
-              style: const TextStyle(
-                fontFamily: 'Inter',
-                fontSize: 20,
-                fontWeight: FontWeight.bold,
-                color: Colors.white,
-              ),
-            ),
-            const SizedBox(height: AppDimensions.paddingMedium),
-            _buildLanguageOption(
-              context,
-              settingsProvider,
-              'es',
-              l10n.spanish,
-              '🇪🇸',
-            ),
-            _buildLanguageOption(
-              context,
-              settingsProvider,
-              'en',
-              l10n.english,
-              '🇬🇧',
-            ),
-            _buildLanguageOption(
-              context,
-              settingsProvider,
-              'pt',
-              l10n.portuguese,
-              '🇵🇹',
-            ),
-            _buildLanguageOption(
-              context,
-              settingsProvider,
-              'fr',
-              l10n.french,
-              '🇫🇷',
-            ),
-            _buildLanguageOption(
-              context,
-              settingsProvider,
-              'ru',
-              l10n.russian,
-              '🇷🇺',
-            ),
-            const SizedBox(height: AppDimensions.paddingSmall),
-          ],
-        ),
-      ),
-    );
-  }
-
-  Widget _buildLanguageOption(
-    BuildContext context,
-    SettingsProvider settingsProvider,
-    String locale,
-    String name,
-    String flag,
-  ) {
-    final isSelected = settingsProvider.locale == locale;
-
-    return GestureDetector(
-      onTap: () async {
-        await settingsProvider.setLocale(locale);
-        if (mounted) {
-          Navigator.pop(context);
-          ScaffoldMessenger.of(context).showSnackBar(
-            SnackBar(
-              content: Text(L10n.of(context)!.languageChanged(name)),
-              backgroundColor: AppColors.success,
-            ),
-          );
-        }
-      },
-      child: Container(
-        margin: const EdgeInsets.only(bottom: 8),
-        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
-        decoration: BoxDecoration(
-          color: isSelected
-              ? AppColors.primaryAction.withValues(alpha: 0.2)
-              : Colors.white.withValues(alpha: 0.05),
-          borderRadius: BorderRadius.circular(12),
-          border: Border.all(
-            color: isSelected
-                ? AppColors.primaryAction.withValues(alpha: 0.5)
-                : Colors.transparent,
-            width: 1,
-          ),
-        ),
-        child: Row(
-          children: [
-            Text(flag, style: const TextStyle(fontSize: 24)),
-            const SizedBox(width: 12),
-            Expanded(
-              child: Text(
-                name,
-                style: TextStyle(
-                  fontFamily: 'Inter',
-                  fontSize: 16,
-                  fontWeight: isSelected ? FontWeight.w600 : FontWeight.w400,
-                  color: Colors.white,
-                ),
-              ),
-            ),
-            if (isSelected)
-              Icon(
-                LucideIcons.check,
-                color: AppColors.primaryAction,
-                size: 20,
-              ),
-          ],
-        ),
-      ),
-    );
-  }
-
-  /// 4. Acerca de
+  /// 3. Acerca de
   void _showAboutDialog(BuildContext context) {
     showDialog(
       context: context,
@@ -650,7 +640,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
             ),
             const SizedBox(height: 4),
             Text(
-              'v0.0.1',
+              'v$_appVersion',
               style: TextStyle(
                 fontFamily: 'Inter',
                 fontSize: 14,
@@ -668,43 +658,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
               textAlign: TextAlign.center,
             ),
             const SizedBox(height: 8),
-            Text(
-              L10n.of(context)!.aboutDescription,
-              style: TextStyle(
-                fontFamily: 'Inter',
-                fontSize: 14,
-                color: AppColors.textSecondary.withValues(alpha: 0.7),
-              ),
-              textAlign: TextAlign.center,
-            ),
-            const SizedBox(height: 24),
-            Container(
-              padding: const EdgeInsets.all(12),
-              decoration: BoxDecoration(
-                color: Colors.white.withValues(alpha: 0.05),
-                borderRadius: BorderRadius.circular(12),
-              ),
-              child: Row(
-                mainAxisAlignment: MainAxisAlignment.center,
-                children: [
-                  Icon(
-                    LucideIcons.bitcoin,
-                    color: AppColors.secondaryAction,
-                    size: 16,
-                  ),
-                  const SizedBox(width: 8),
-                  Text(
-                    'Cuba Bitcoin',
-                    style: TextStyle(
-                      fontFamily: 'Inter',
-                      fontSize: 14,
-                      fontWeight: FontWeight.w500,
-                      color: AppColors.secondaryAction,
-                    ),
-                  ),
-                ],
-              ),
-            ),
+            _buildAboutDescription(context),
           ],
         ),
         actions: [
@@ -723,7 +677,73 @@ class _SettingsScreenState extends State<SettingsScreen> {
     );
   }
 
-  /// 5. Abrir GitHub
+  Widget _buildAboutDescription(BuildContext context) {
+    final description = L10n.of(context)!.aboutDescription;
+    const keyword = 'LaChispa';
+    final index = description.indexOf(keyword);
+    if (index == -1) {
+      return Text(
+        description,
+        style: TextStyle(
+          fontFamily: 'Inter',
+          fontSize: 14,
+          color: AppColors.textSecondary.withValues(alpha: 0.7),
+        ),
+        textAlign: TextAlign.center,
+      );
+    }
+    final before = description.substring(0, index);
+    final after = description.substring(index + keyword.length);
+    return RichText(
+      textAlign: TextAlign.center,
+      text: TextSpan(
+        style: TextStyle(
+          fontFamily: 'Inter',
+          fontSize: 14,
+          color: AppColors.textSecondary.withValues(alpha: 0.7),
+        ),
+        children: [
+          TextSpan(text: before),
+          WidgetSpan(
+            alignment: PlaceholderAlignment.baseline,
+            baseline: TextBaseline.alphabetic,
+            child: GestureDetector(
+              onTap: () => _openLaChispa(context),
+              child: Text(
+                keyword,
+                style: TextStyle(
+                  fontFamily: 'Inter',
+                  fontSize: 14,
+                  color: AppColors.secondaryAction,
+                  decoration: TextDecoration.underline,
+                  decorationColor: AppColors.secondaryAction,
+                ),
+              ),
+            ),
+          ),
+          TextSpan(text: after),
+        ],
+      ),
+    );
+  }
+
+  Future<void> _openLaChispa(BuildContext context) async {
+    final url = Uri.parse('https://app.lachispa.me');
+    try {
+      await launchUrl(url, mode: LaunchMode.externalApplication);
+    } catch (_) {
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text(L10n.of(context)!.couldNotOpenLink),
+            backgroundColor: AppColors.error,
+          ),
+        );
+      }
+    }
+  }
+
+  /// 4. Abrir GitHub
   Future<void> _openGitHub() async {
     final url = Uri.parse('https://github.com/Forte11Cuba/elcaju');
     try {
@@ -740,7 +760,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
     }
   }
 
-  /// 6. Recuperar tokens
+  /// 5. Recuperar tokens
   void _showRecoverTokensDialog(
       BuildContext context, SettingsProvider settingsProvider) {
     showModalBottomSheet(
@@ -753,7 +773,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
     );
   }
 
-  /// 7. Borrar wallet
+  /// 6. Borrar wallet
   void _showDeleteWalletDialog(
       BuildContext context, SettingsProvider settingsProvider) {
     showModalBottomSheet(

lib/screens/9_history/history_screen.dart

@@ -5,15 +5,17 @@ import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
 import 'package:qr_flutter/qr_flutter.dart';
 import 'package:intl/intl.dart';
-import 'package:cdk_flutter/cdk_flutter.dart' as cdk;
-import 'package:cdk_flutter/cdk_flutter.dart' show Transaction, TransactionDirection, TransactionStatus;
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import '../../src/rust/api/token.dart' as cdk;
+import '../../src/rust/api/wallet.dart' show Transaction, TransactionDirection, TransactionStatus;
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
 import '../../data/transaction_meta_storage.dart';
 import '../../data/pending_token.dart';
 import '../../providers/wallet_provider.dart';
+import '../../providers/p2pk_provider.dart';
+import '../../core/utils/p2pk_utils.dart';
 import '../../widgets/common/gradient_background.dart';
 
 /// Filtros disponibles para el historial
@@ -222,9 +224,16 @@ class _HistoryScreenState extends State<HistoryScreen> {
   Future<void> _claimPendingToken(PendingToken token) async {
     final l10n = L10n.of(context)!;
     final walletProvider = context.read<WalletProvider>();
+    final p2pkProvider = context.read<P2PKProvider>();
 
     try {
-      final amount = await walletProvider.claimPendingToken(token.id);
+      // Detectar P2PK y obtener clave privada si es necesario
+      String? p2pkKey;
+      if (P2PKUtils.isP2PKLocked(token.encoded)) {
+        p2pkKey = p2pkProvider.getPrivateKeyForToken(token.encoded);
+      }
+
+      final amount = await walletProvider.claimPendingToken(token.id, p2pkPrivateKey: p2pkKey);
       if (mounted) {
         ScaffoldMessenger.of(context).showSnackBar(
           SnackBar(
@@ -691,8 +700,9 @@ class _TransactionDetailScreenState extends State<_TransactionDetailScreen> {
   // Datos de la transacción
   late final bool _isIncoming;
   late final bool _isLightning;
-  late final String? _tokenOrInvoice;
+  String? _tokenOrInvoice;
   late final bool _shouldShowQR;
+  bool _isLoadingPendingInvoice = false;
 
   @override
   void initState() {
@@ -704,6 +714,11 @@ class _TransactionDetailScreenState extends State<_TransactionDetailScreen> {
     final meta = widget.walletProvider.getTransactionMeta(widget.transaction.id);
     _tokenOrInvoice = meta?.token ?? meta?.invoice;
 
+    // Si es Lightning incoming sin invoice, buscar en pending mint invoices
+    if (_tokenOrInvoice == null && _isLightning && _isIncoming) {
+      _loadPendingMintInvoice();
+    }
+
     // Mostrar QR para todo EXCEPTO Lightning saliente
     _shouldShowQR = !_isLightning || _isIncoming;
 
@@ -713,6 +728,26 @@ class _TransactionDetailScreenState extends State<_TransactionDetailScreen> {
     }
   }
 
+  /// Busca el invoice en pending mint invoices si no hay metadata.
+  Future<void> _loadPendingMintInvoice() async {
+    setState(() => _isLoadingPendingInvoice = true);
+    String? invoice;
+    try {
+      invoice = await widget.walletProvider.findPendingMintInvoice(
+        widget.transaction.mintUrl,
+        widget.transaction.unit,
+      );
+    } catch (e, st) {
+      debugPrint('findPendingMintInvoice failed: $e\n$st');
+    }
+    if (mounted) {
+      setState(() {
+        _isLoadingPendingInvoice = false;
+        if (invoice != null) _tokenOrInvoice = invoice;
+      });
+    }
+  }
+
   @override
   void dispose() {
     _animationTimer?.cancel();
@@ -851,8 +886,8 @@ class _TransactionDetailScreenState extends State<_TransactionDetailScreen> {
                   const SizedBox(height: 32),
                 ],
 
-                // Mensaje si no hay token/invoice
-                if (_tokenOrInvoice == null) ...[
+                // Mensaje si no hay token/invoice (ocultar mientras carga)
+                if (_tokenOrInvoice == null && !_isLoadingPendingInvoice) ...[
                   Container(
                     padding: const EdgeInsets.all(20),
                     decoration: BoxDecoration(

lib/src/rust/api/error.dart

@@ -0,0 +1,31 @@
+// This file is automatically generated, so please do not edit it.
+// @generated by `flutter_rust_bridge`@ 2.11.1.
+
+// ignore_for_file: invalid_use_of_internal_member, unused_import, unnecessary_import
+
+import '../frb_generated.dart';
+import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
+import 'package:freezed_annotation/freezed_annotation.dart' hide protected;
+part 'error.freezed.dart';
+
+// These function are ignored because they are on traits that is not defined in current crate (put an empty `#[frb]` on it to unignore): `fmt`, `fmt`, `from`, `from`, `from`, `from`, `from`, `from`, `from`, `from`, `from`, `from`, `from`
+
+@freezed
+sealed class Error with _$Error implements FrbException {
+  const Error._();
+
+  /// Error del protocolo Cashu (cdk)
+  const factory Error.cdk(String field0) = Error_Cdk;
+
+  /// Error de base de datos (SQLite)
+  const factory Error.database(String field0) = Error_Database;
+
+  /// Input inválido del usuario
+  const factory Error.invalidInput() = Error_InvalidInput;
+
+  /// Error de red (HTTP, conexión)
+  const factory Error.network(String field0) = Error_Network;
+
+  /// Error de UR (QR multiframe)
+  const factory Error.ur(String field0) = Error_Ur;
+}

lib/src/rust/api/error.freezed.dart

@@ -0,0 +1,863 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'error.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+/// @nodoc
+mixin _$Error {
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function(String field0) cdk,
+    required TResult Function(String field0) database,
+    required TResult Function() invalidInput,
+    required TResult Function(String field0) network,
+    required TResult Function(String field0) ur,
+  }) => throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult? Function(String field0)? cdk,
+    TResult? Function(String field0)? database,
+    TResult? Function()? invalidInput,
+    TResult? Function(String field0)? network,
+    TResult? Function(String field0)? ur,
+  }) => throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function(String field0)? cdk,
+    TResult Function(String field0)? database,
+    TResult Function()? invalidInput,
+    TResult Function(String field0)? network,
+    TResult Function(String field0)? ur,
+    required TResult orElse(),
+  }) => throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(Error_Cdk value) cdk,
+    required TResult Function(Error_Database value) database,
+    required TResult Function(Error_InvalidInput value) invalidInput,
+    required TResult Function(Error_Network value) network,
+    required TResult Function(Error_Ur value) ur,
+  }) => throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult? Function(Error_Cdk value)? cdk,
+    TResult? Function(Error_Database value)? database,
+    TResult? Function(Error_InvalidInput value)? invalidInput,
+    TResult? Function(Error_Network value)? network,
+    TResult? Function(Error_Ur value)? ur,
+  }) => throw _privateConstructorUsedError;
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(Error_Cdk value)? cdk,
+    TResult Function(Error_Database value)? database,
+    TResult Function(Error_InvalidInput value)? invalidInput,
+    TResult Function(Error_Network value)? network,
+    TResult Function(Error_Ur value)? ur,
+    required TResult orElse(),
+  }) => throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $ErrorCopyWith<$Res> {
+  factory $ErrorCopyWith(Error value, $Res Function(Error) then) =
+      _$ErrorCopyWithImpl<$Res, Error>;
+}
+
+/// @nodoc
+class _$ErrorCopyWithImpl<$Res, $Val extends Error>
+    implements $ErrorCopyWith<$Res> {
+  _$ErrorCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of Error
+  /// with the given fields replaced by the non-null parameter values.
+}
+
+/// @nodoc
+abstract class _$$Error_CdkImplCopyWith<$Res> {
+  factory _$$Error_CdkImplCopyWith(
+    _$Error_CdkImpl value,
+    $Res Function(_$Error_CdkImpl) then,
+  ) = __$$Error_CdkImplCopyWithImpl<$Res>;
+  @useResult
+  $Res call({String field0});
+}
+
+/// @nodoc
+class __$$Error_CdkImplCopyWithImpl<$Res>
+    extends _$ErrorCopyWithImpl<$Res, _$Error_CdkImpl>
+    implements _$$Error_CdkImplCopyWith<$Res> {
+  __$$Error_CdkImplCopyWithImpl(
+    _$Error_CdkImpl _value,
+    $Res Function(_$Error_CdkImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of Error
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({Object? field0 = null}) {
+    return _then(
+      _$Error_CdkImpl(
+        null == field0
+            ? _value.field0
+            : field0 // ignore: cast_nullable_to_non_nullable
+                  as String,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$Error_CdkImpl extends Error_Cdk {
+  const _$Error_CdkImpl(this.field0) : super._();
+
+  @override
+  final String field0;
+
+  @override
+  String toString() {
+    return 'Error.cdk(field0: $field0)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$Error_CdkImpl &&
+            (identical(other.field0, field0) || other.field0 == field0));
+  }
+
+  @override
+  int get hashCode => Object.hash(runtimeType, field0);
+
+  /// Create a copy of Error
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$Error_CdkImplCopyWith<_$Error_CdkImpl> get copyWith =>
+      __$$Error_CdkImplCopyWithImpl<_$Error_CdkImpl>(this, _$identity);
+
+  @override
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function(String field0) cdk,
+    required TResult Function(String field0) database,
+    required TResult Function() invalidInput,
+    required TResult Function(String field0) network,
+    required TResult Function(String field0) ur,
+  }) {
+    return cdk(field0);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult? Function(String field0)? cdk,
+    TResult? Function(String field0)? database,
+    TResult? Function()? invalidInput,
+    TResult? Function(String field0)? network,
+    TResult? Function(String field0)? ur,
+  }) {
+    return cdk?.call(field0);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function(String field0)? cdk,
+    TResult Function(String field0)? database,
+    TResult Function()? invalidInput,
+    TResult Function(String field0)? network,
+    TResult Function(String field0)? ur,
+    required TResult orElse(),
+  }) {
+    if (cdk != null) {
+      return cdk(field0);
+    }
+    return orElse();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(Error_Cdk value) cdk,
+    required TResult Function(Error_Database value) database,
+    required TResult Function(Error_InvalidInput value) invalidInput,
+    required TResult Function(Error_Network value) network,
+    required TResult Function(Error_Ur value) ur,
+  }) {
+    return cdk(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult? Function(Error_Cdk value)? cdk,
+    TResult? Function(Error_Database value)? database,
+    TResult? Function(Error_InvalidInput value)? invalidInput,
+    TResult? Function(Error_Network value)? network,
+    TResult? Function(Error_Ur value)? ur,
+  }) {
+    return cdk?.call(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(Error_Cdk value)? cdk,
+    TResult Function(Error_Database value)? database,
+    TResult Function(Error_InvalidInput value)? invalidInput,
+    TResult Function(Error_Network value)? network,
+    TResult Function(Error_Ur value)? ur,
+    required TResult orElse(),
+  }) {
+    if (cdk != null) {
+      return cdk(this);
+    }
+    return orElse();
+  }
+}
+
+abstract class Error_Cdk extends Error {
+  const factory Error_Cdk(final String field0) = _$Error_CdkImpl;
+  const Error_Cdk._() : super._();
+
+  String get field0;
+
+  /// Create a copy of Error
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$Error_CdkImplCopyWith<_$Error_CdkImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class _$$Error_DatabaseImplCopyWith<$Res> {
+  factory _$$Error_DatabaseImplCopyWith(
+    _$Error_DatabaseImpl value,
+    $Res Function(_$Error_DatabaseImpl) then,
+  ) = __$$Error_DatabaseImplCopyWithImpl<$Res>;
+  @useResult
+  $Res call({String field0});
+}
+
+/// @nodoc
+class __$$Error_DatabaseImplCopyWithImpl<$Res>
+    extends _$ErrorCopyWithImpl<$Res, _$Error_DatabaseImpl>
+    implements _$$Error_DatabaseImplCopyWith<$Res> {
+  __$$Error_DatabaseImplCopyWithImpl(
+    _$Error_DatabaseImpl _value,
+    $Res Function(_$Error_DatabaseImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of Error
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({Object? field0 = null}) {
+    return _then(
+      _$Error_DatabaseImpl(
+        null == field0
+            ? _value.field0
+            : field0 // ignore: cast_nullable_to_non_nullable
+                  as String,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$Error_DatabaseImpl extends Error_Database {
+  const _$Error_DatabaseImpl(this.field0) : super._();
+
+  @override
+  final String field0;
+
+  @override
+  String toString() {
+    return 'Error.database(field0: $field0)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$Error_DatabaseImpl &&
+            (identical(other.field0, field0) || other.field0 == field0));
+  }
+
+  @override
+  int get hashCode => Object.hash(runtimeType, field0);
+
+  /// Create a copy of Error
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$Error_DatabaseImplCopyWith<_$Error_DatabaseImpl> get copyWith =>
+      __$$Error_DatabaseImplCopyWithImpl<_$Error_DatabaseImpl>(
+        this,
+        _$identity,
+      );
+
+  @override
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function(String field0) cdk,
+    required TResult Function(String field0) database,
+    required TResult Function() invalidInput,
+    required TResult Function(String field0) network,
+    required TResult Function(String field0) ur,
+  }) {
+    return database(field0);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult? Function(String field0)? cdk,
+    TResult? Function(String field0)? database,
+    TResult? Function()? invalidInput,
+    TResult? Function(String field0)? network,
+    TResult? Function(String field0)? ur,
+  }) {
+    return database?.call(field0);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function(String field0)? cdk,
+    TResult Function(String field0)? database,
+    TResult Function()? invalidInput,
+    TResult Function(String field0)? network,
+    TResult Function(String field0)? ur,
+    required TResult orElse(),
+  }) {
+    if (database != null) {
+      return database(field0);
+    }
+    return orElse();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(Error_Cdk value) cdk,
+    required TResult Function(Error_Database value) database,
+    required TResult Function(Error_InvalidInput value) invalidInput,
+    required TResult Function(Error_Network value) network,
+    required TResult Function(Error_Ur value) ur,
+  }) {
+    return database(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult? Function(Error_Cdk value)? cdk,
+    TResult? Function(Error_Database value)? database,
+    TResult? Function(Error_InvalidInput value)? invalidInput,
+    TResult? Function(Error_Network value)? network,
+    TResult? Function(Error_Ur value)? ur,
+  }) {
+    return database?.call(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(Error_Cdk value)? cdk,
+    TResult Function(Error_Database value)? database,
+    TResult Function(Error_InvalidInput value)? invalidInput,
+    TResult Function(Error_Network value)? network,
+    TResult Function(Error_Ur value)? ur,
+    required TResult orElse(),
+  }) {
+    if (database != null) {
+      return database(this);
+    }
+    return orElse();
+  }
+}
+
+abstract class Error_Database extends Error {
+  const factory Error_Database(final String field0) = _$Error_DatabaseImpl;
+  const Error_Database._() : super._();
+
+  String get field0;
+
+  /// Create a copy of Error
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$Error_DatabaseImplCopyWith<_$Error_DatabaseImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class _$$Error_InvalidInputImplCopyWith<$Res> {
+  factory _$$Error_InvalidInputImplCopyWith(
+    _$Error_InvalidInputImpl value,
+    $Res Function(_$Error_InvalidInputImpl) then,
+  ) = __$$Error_InvalidInputImplCopyWithImpl<$Res>;
+}
+
+/// @nodoc
+class __$$Error_InvalidInputImplCopyWithImpl<$Res>
+    extends _$ErrorCopyWithImpl<$Res, _$Error_InvalidInputImpl>
+    implements _$$Error_InvalidInputImplCopyWith<$Res> {
+  __$$Error_InvalidInputImplCopyWithImpl(
+    _$Error_InvalidInputImpl _value,
+    $Res Function(_$Error_InvalidInputImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of Error
+  /// with the given fields replaced by the non-null parameter values.
+}
+
+/// @nodoc
+
+class _$Error_InvalidInputImpl extends Error_InvalidInput {
+  const _$Error_InvalidInputImpl() : super._();
+
+  @override
+  String toString() {
+    return 'Error.invalidInput()';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType && other is _$Error_InvalidInputImpl);
+  }
+
+  @override
+  int get hashCode => runtimeType.hashCode;
+
+  @override
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function(String field0) cdk,
+    required TResult Function(String field0) database,
+    required TResult Function() invalidInput,
+    required TResult Function(String field0) network,
+    required TResult Function(String field0) ur,
+  }) {
+    return invalidInput();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult? Function(String field0)? cdk,
+    TResult? Function(String field0)? database,
+    TResult? Function()? invalidInput,
+    TResult? Function(String field0)? network,
+    TResult? Function(String field0)? ur,
+  }) {
+    return invalidInput?.call();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function(String field0)? cdk,
+    TResult Function(String field0)? database,
+    TResult Function()? invalidInput,
+    TResult Function(String field0)? network,
+    TResult Function(String field0)? ur,
+    required TResult orElse(),
+  }) {
+    if (invalidInput != null) {
+      return invalidInput();
+    }
+    return orElse();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(Error_Cdk value) cdk,
+    required TResult Function(Error_Database value) database,
+    required TResult Function(Error_InvalidInput value) invalidInput,
+    required TResult Function(Error_Network value) network,
+    required TResult Function(Error_Ur value) ur,
+  }) {
+    return invalidInput(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult? Function(Error_Cdk value)? cdk,
+    TResult? Function(Error_Database value)? database,
+    TResult? Function(Error_InvalidInput value)? invalidInput,
+    TResult? Function(Error_Network value)? network,
+    TResult? Function(Error_Ur value)? ur,
+  }) {
+    return invalidInput?.call(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(Error_Cdk value)? cdk,
+    TResult Function(Error_Database value)? database,
+    TResult Function(Error_InvalidInput value)? invalidInput,
+    TResult Function(Error_Network value)? network,
+    TResult Function(Error_Ur value)? ur,
+    required TResult orElse(),
+  }) {
+    if (invalidInput != null) {
+      return invalidInput(this);
+    }
+    return orElse();
+  }
+}
+
+abstract class Error_InvalidInput extends Error {
+  const factory Error_InvalidInput() = _$Error_InvalidInputImpl;
+  const Error_InvalidInput._() : super._();
+}
+
+/// @nodoc
+abstract class _$$Error_NetworkImplCopyWith<$Res> {
+  factory _$$Error_NetworkImplCopyWith(
+    _$Error_NetworkImpl value,
+    $Res Function(_$Error_NetworkImpl) then,
+  ) = __$$Error_NetworkImplCopyWithImpl<$Res>;
+  @useResult
+  $Res call({String field0});
+}
+
+/// @nodoc
+class __$$Error_NetworkImplCopyWithImpl<$Res>
+    extends _$ErrorCopyWithImpl<$Res, _$Error_NetworkImpl>
+    implements _$$Error_NetworkImplCopyWith<$Res> {
+  __$$Error_NetworkImplCopyWithImpl(
+    _$Error_NetworkImpl _value,
+    $Res Function(_$Error_NetworkImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of Error
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({Object? field0 = null}) {
+    return _then(
+      _$Error_NetworkImpl(
+        null == field0
+            ? _value.field0
+            : field0 // ignore: cast_nullable_to_non_nullable
+                  as String,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$Error_NetworkImpl extends Error_Network {
+  const _$Error_NetworkImpl(this.field0) : super._();
+
+  @override
+  final String field0;
+
+  @override
+  String toString() {
+    return 'Error.network(field0: $field0)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$Error_NetworkImpl &&
+            (identical(other.field0, field0) || other.field0 == field0));
+  }
+
+  @override
+  int get hashCode => Object.hash(runtimeType, field0);
+
+  /// Create a copy of Error
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$Error_NetworkImplCopyWith<_$Error_NetworkImpl> get copyWith =>
+      __$$Error_NetworkImplCopyWithImpl<_$Error_NetworkImpl>(this, _$identity);
+
+  @override
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function(String field0) cdk,
+    required TResult Function(String field0) database,
+    required TResult Function() invalidInput,
+    required TResult Function(String field0) network,
+    required TResult Function(String field0) ur,
+  }) {
+    return network(field0);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult? Function(String field0)? cdk,
+    TResult? Function(String field0)? database,
+    TResult? Function()? invalidInput,
+    TResult? Function(String field0)? network,
+    TResult? Function(String field0)? ur,
+  }) {
+    return network?.call(field0);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function(String field0)? cdk,
+    TResult Function(String field0)? database,
+    TResult Function()? invalidInput,
+    TResult Function(String field0)? network,
+    TResult Function(String field0)? ur,
+    required TResult orElse(),
+  }) {
+    if (network != null) {
+      return network(field0);
+    }
+    return orElse();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(Error_Cdk value) cdk,
+    required TResult Function(Error_Database value) database,
+    required TResult Function(Error_InvalidInput value) invalidInput,
+    required TResult Function(Error_Network value) network,
+    required TResult Function(Error_Ur value) ur,
+  }) {
+    return network(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult? Function(Error_Cdk value)? cdk,
+    TResult? Function(Error_Database value)? database,
+    TResult? Function(Error_InvalidInput value)? invalidInput,
+    TResult? Function(Error_Network value)? network,
+    TResult? Function(Error_Ur value)? ur,
+  }) {
+    return network?.call(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(Error_Cdk value)? cdk,
+    TResult Function(Error_Database value)? database,
+    TResult Function(Error_InvalidInput value)? invalidInput,
+    TResult Function(Error_Network value)? network,
+    TResult Function(Error_Ur value)? ur,
+    required TResult orElse(),
+  }) {
+    if (network != null) {
+      return network(this);
+    }
+    return orElse();
+  }
+}
+
+abstract class Error_Network extends Error {
+  const factory Error_Network(final String field0) = _$Error_NetworkImpl;
+  const Error_Network._() : super._();
+
+  String get field0;
+
+  /// Create a copy of Error
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$Error_NetworkImplCopyWith<_$Error_NetworkImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class _$$Error_UrImplCopyWith<$Res> {
+  factory _$$Error_UrImplCopyWith(
+    _$Error_UrImpl value,
+    $Res Function(_$Error_UrImpl) then,
+  ) = __$$Error_UrImplCopyWithImpl<$Res>;
+  @useResult
+  $Res call({String field0});
+}
+
+/// @nodoc
+class __$$Error_UrImplCopyWithImpl<$Res>
+    extends _$ErrorCopyWithImpl<$Res, _$Error_UrImpl>
+    implements _$$Error_UrImplCopyWith<$Res> {
+  __$$Error_UrImplCopyWithImpl(
+    _$Error_UrImpl _value,
+    $Res Function(_$Error_UrImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of Error
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({Object? field0 = null}) {
+    return _then(
+      _$Error_UrImpl(
+        null == field0
+            ? _value.field0
+            : field0 // ignore: cast_nullable_to_non_nullable
+                  as String,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+
+class _$Error_UrImpl extends Error_Ur {
+  const _$Error_UrImpl(this.field0) : super._();
+
+  @override
+  final String field0;
+
+  @override
+  String toString() {
+    return 'Error.ur(field0: $field0)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$Error_UrImpl &&
+            (identical(other.field0, field0) || other.field0 == field0));
+  }
+
+  @override
+  int get hashCode => Object.hash(runtimeType, field0);
+
+  /// Create a copy of Error
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$Error_UrImplCopyWith<_$Error_UrImpl> get copyWith =>
+      __$$Error_UrImplCopyWithImpl<_$Error_UrImpl>(this, _$identity);
+
+  @override
+  @optionalTypeArgs
+  TResult when<TResult extends Object?>({
+    required TResult Function(String field0) cdk,
+    required TResult Function(String field0) database,
+    required TResult Function() invalidInput,
+    required TResult Function(String field0) network,
+    required TResult Function(String field0) ur,
+  }) {
+    return ur(field0);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? whenOrNull<TResult extends Object?>({
+    TResult? Function(String field0)? cdk,
+    TResult? Function(String field0)? database,
+    TResult? Function()? invalidInput,
+    TResult? Function(String field0)? network,
+    TResult? Function(String field0)? ur,
+  }) {
+    return ur?.call(field0);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeWhen<TResult extends Object?>({
+    TResult Function(String field0)? cdk,
+    TResult Function(String field0)? database,
+    TResult Function()? invalidInput,
+    TResult Function(String field0)? network,
+    TResult Function(String field0)? ur,
+    required TResult orElse(),
+  }) {
+    if (ur != null) {
+      return ur(field0);
+    }
+    return orElse();
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult map<TResult extends Object?>({
+    required TResult Function(Error_Cdk value) cdk,
+    required TResult Function(Error_Database value) database,
+    required TResult Function(Error_InvalidInput value) invalidInput,
+    required TResult Function(Error_Network value) network,
+    required TResult Function(Error_Ur value) ur,
+  }) {
+    return ur(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult? mapOrNull<TResult extends Object?>({
+    TResult? Function(Error_Cdk value)? cdk,
+    TResult? Function(Error_Database value)? database,
+    TResult? Function(Error_InvalidInput value)? invalidInput,
+    TResult? Function(Error_Network value)? network,
+    TResult? Function(Error_Ur value)? ur,
+  }) {
+    return ur?.call(this);
+  }
+
+  @override
+  @optionalTypeArgs
+  TResult maybeMap<TResult extends Object?>({
+    TResult Function(Error_Cdk value)? cdk,
+    TResult Function(Error_Database value)? database,
+    TResult Function(Error_InvalidInput value)? invalidInput,
+    TResult Function(Error_Network value)? network,
+    TResult Function(Error_Ur value)? ur,
+    required TResult orElse(),
+  }) {
+    if (ur != null) {
+      return ur(this);
+    }
+    return orElse();
+  }
+}
+
+abstract class Error_Ur extends Error {
+  const factory Error_Ur(final String field0) = _$Error_UrImpl;
+  const Error_Ur._() : super._();
+
+  String get field0;
+
+  /// Create a copy of Error
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$Error_UrImplCopyWith<_$Error_UrImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}

lib/src/rust/api/keys.dart

@@ -0,0 +1,20 @@
+// This file is automatically generated, so please do not edit it.
+// @generated by `flutter_rust_bridge`@ 2.11.1.
+
+// ignore_for_file: invalid_use_of_internal_member, unused_import, unnecessary_import
+
+import '../frb_generated.dart';
+import 'error.dart';
+import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
+
+/// Generate a new 12-word BIP39 mnemonic
+String generateMnemonic() =>
+    RustLib.instance.api.crateApiKeysGenerateMnemonic();
+
+/// Convert a mnemonic to a 64-byte seed
+Uint8List mnemonicToSeed({required String mnemonic}) =>
+    RustLib.instance.api.crateApiKeysMnemonicToSeed(mnemonic: mnemonic);
+
+/// Derive the public key (hex) from a secret key (hex)
+String getPubKey({required String secret}) =>
+    RustLib.instance.api.crateApiKeysGetPubKey(secret: secret);

lib/src/rust/api/mint_info.dart

@@ -0,0 +1,309 @@
+// This file is automatically generated, so please do not edit it.
+// @generated by `flutter_rust_bridge`@ 2.11.1.
+
+// ignore_for_file: invalid_use_of_internal_member, unused_import, unnecessary_import
+
+import '../frb_generated.dart';
+import 'error.dart';
+import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
+
+// These function are ignored because they are on traits that is not defined in current crate (put an empty `#[frb]` on it to unignore): `from`, `from`, `from`, `from`, `from`, `from`, `from`, `from`, `from`
+
+/// Fetch full mint info from a mint URL
+Future<MintInfo> getMintInfo({required String mintUrl}) =>
+    RustLib.instance.api.crateApiMintInfoGetMintInfo(mintUrl: mintUrl);
+
+/// Ping a mint to check if it's reachable (replaces Dart HTTP call)
+Future<bool> pingMint({required String mintUrl}) =>
+    RustLib.instance.api.crateApiMintInfoPingMint(mintUrl: mintUrl);
+
+/// Fetch keysets from a mint (replaces Dart HTTP call)
+Future<List<KeysetInfo>> fetchKeysets({required String mintUrl}) =>
+    RustLib.instance.api.crateApiMintInfoFetchKeysets(mintUrl: mintUrl);
+
+class ContactInfo {
+  final String method;
+  final String info;
+
+  const ContactInfo({required this.method, required this.info});
+
+  @override
+  int get hashCode => method.hashCode ^ info.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is ContactInfo &&
+          runtimeType == other.runtimeType &&
+          method == other.method &&
+          info == other.info;
+}
+
+/// Keyset info returned by fetch_keysets
+class KeysetInfo {
+  final String id;
+  final String unit;
+  final bool active;
+
+  const KeysetInfo({
+    required this.id,
+    required this.unit,
+    required this.active,
+  });
+
+  @override
+  int get hashCode => id.hashCode ^ unit.hashCode ^ active.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is KeysetInfo &&
+          runtimeType == other.runtimeType &&
+          id == other.id &&
+          unit == other.unit &&
+          active == other.active;
+}
+
+class MeltMethodSettings {
+  final String method;
+  final String unit;
+  final BigInt? minAmount;
+  final BigInt? maxAmount;
+
+  const MeltMethodSettings({
+    required this.method,
+    required this.unit,
+    this.minAmount,
+    this.maxAmount,
+  });
+
+  @override
+  int get hashCode =>
+      method.hashCode ^ unit.hashCode ^ minAmount.hashCode ^ maxAmount.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is MeltMethodSettings &&
+          runtimeType == other.runtimeType &&
+          method == other.method &&
+          unit == other.unit &&
+          minAmount == other.minAmount &&
+          maxAmount == other.maxAmount;
+}
+
+class MintInfo {
+  final String? name;
+  final String? pubkey;
+  final MintVersion? version;
+  final String? description;
+  final String? descriptionLong;
+  final List<ContactInfo>? contact;
+  final Nuts nuts;
+  final String? iconUrl;
+  final List<String>? urls;
+  final String? motd;
+  final BigInt? time;
+  final String? tosUrl;
+
+  const MintInfo({
+    this.name,
+    this.pubkey,
+    this.version,
+    this.description,
+    this.descriptionLong,
+    this.contact,
+    required this.nuts,
+    this.iconUrl,
+    this.urls,
+    this.motd,
+    this.time,
+    this.tosUrl,
+  });
+
+  @override
+  int get hashCode =>
+      name.hashCode ^
+      pubkey.hashCode ^
+      version.hashCode ^
+      description.hashCode ^
+      descriptionLong.hashCode ^
+      contact.hashCode ^
+      nuts.hashCode ^
+      iconUrl.hashCode ^
+      urls.hashCode ^
+      motd.hashCode ^
+      time.hashCode ^
+      tosUrl.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is MintInfo &&
+          runtimeType == other.runtimeType &&
+          name == other.name &&
+          pubkey == other.pubkey &&
+          version == other.version &&
+          description == other.description &&
+          descriptionLong == other.descriptionLong &&
+          contact == other.contact &&
+          nuts == other.nuts &&
+          iconUrl == other.iconUrl &&
+          urls == other.urls &&
+          motd == other.motd &&
+          time == other.time &&
+          tosUrl == other.tosUrl;
+}
+
+class MintMethodSettings {
+  final String method;
+  final String unit;
+  final BigInt? minAmount;
+  final BigInt? maxAmount;
+
+  const MintMethodSettings({
+    required this.method,
+    required this.unit,
+    this.minAmount,
+    this.maxAmount,
+  });
+
+  @override
+  int get hashCode =>
+      method.hashCode ^ unit.hashCode ^ minAmount.hashCode ^ maxAmount.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is MintMethodSettings &&
+          runtimeType == other.runtimeType &&
+          method == other.method &&
+          unit == other.unit &&
+          minAmount == other.minAmount &&
+          maxAmount == other.maxAmount;
+}
+
+class MintVersion {
+  final String name;
+  final String version;
+
+  const MintVersion({required this.name, required this.version});
+
+  @override
+  int get hashCode => name.hashCode ^ version.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is MintVersion &&
+          runtimeType == other.runtimeType &&
+          name == other.name &&
+          version == other.version;
+}
+
+class Nut04Settings {
+  final List<MintMethodSettings> methods;
+  final bool disabled;
+
+  const Nut04Settings({required this.methods, required this.disabled});
+
+  @override
+  int get hashCode => methods.hashCode ^ disabled.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is Nut04Settings &&
+          runtimeType == other.runtimeType &&
+          methods == other.methods &&
+          disabled == other.disabled;
+}
+
+class Nut05Settings {
+  final List<MeltMethodSettings> methods;
+  final bool disabled;
+
+  const Nut05Settings({required this.methods, required this.disabled});
+
+  @override
+  int get hashCode => methods.hashCode ^ disabled.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is Nut05Settings &&
+          runtimeType == other.runtimeType &&
+          methods == other.methods &&
+          disabled == other.disabled;
+}
+
+class Nuts {
+  final Nut04Settings nut04;
+  final Nut05Settings nut05;
+  final SupportedSettings nut07;
+  final SupportedSettings nut08;
+  final SupportedSettings nut09;
+  final SupportedSettings nut10;
+  final SupportedSettings nut11;
+  final SupportedSettings nut12;
+  final SupportedSettings nut14;
+  final SupportedSettings nut20;
+
+  const Nuts({
+    required this.nut04,
+    required this.nut05,
+    required this.nut07,
+    required this.nut08,
+    required this.nut09,
+    required this.nut10,
+    required this.nut11,
+    required this.nut12,
+    required this.nut14,
+    required this.nut20,
+  });
+
+  @override
+  int get hashCode =>
+      nut04.hashCode ^
+      nut05.hashCode ^
+      nut07.hashCode ^
+      nut08.hashCode ^
+      nut09.hashCode ^
+      nut10.hashCode ^
+      nut11.hashCode ^
+      nut12.hashCode ^
+      nut14.hashCode ^
+      nut20.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is Nuts &&
+          runtimeType == other.runtimeType &&
+          nut04 == other.nut04 &&
+          nut05 == other.nut05 &&
+          nut07 == other.nut07 &&
+          nut08 == other.nut08 &&
+          nut09 == other.nut09 &&
+          nut10 == other.nut10 &&
+          nut11 == other.nut11 &&
+          nut12 == other.nut12 &&
+          nut14 == other.nut14 &&
+          nut20 == other.nut20;
+}
+
+class SupportedSettings {
+  final bool supported;
+
+  const SupportedSettings({required this.supported});
+
+  @override
+  int get hashCode => supported.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is SupportedSettings &&
+          runtimeType == other.runtimeType &&
+          supported == other.supported;
+}

lib/src/rust/api/payment_request.dart

@@ -0,0 +1,251 @@
+// This file is automatically generated, so please do not edit it.
+// @generated by `flutter_rust_bridge`@ 2.11.1.
+
+// ignore_for_file: invalid_use_of_internal_member, unused_import, unnecessary_import
+
+import '../frb_generated.dart';
+import 'error.dart';
+import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
+
+// These functions are ignored because they are not marked as `pub`: `extract_creq_from_uri`, `parse_payment_request_inner`, `percent_decode`, `wait_for_nostr_payment_inner`
+// These function are ignored because they are on traits that is not defined in current crate (put an empty `#[frb]` on it to unignore): `clone`
+
+// Rust type: RustOpaqueMoi<flutter_rust_bridge::for_generated::RustAutoOpaqueInner<CreatedPaymentRequest>>
+abstract class CreatedPaymentRequest implements RustOpaqueInterface {
+  String get creqA;
+
+  String get creqB;
+
+  NostrListenerHandle get listenerHandle;
+
+  set creqA(String creqA);
+
+  set creqB(String creqB);
+
+  set listenerHandle(NostrListenerHandle listenerHandle);
+}
+
+// Rust type: RustOpaqueMoi<flutter_rust_bridge::for_generated::RustAutoOpaqueInner<NostrListenerHandle>>
+abstract class NostrListenerHandle implements RustOpaqueInterface {
+  /// Reconstruct a handle from persisted data (e.g. after app restart).
+  static NostrListenerHandle fromPersisted({
+    required PersistedRequestData data,
+  }) => RustLib.instance.api
+      .crateApiPaymentRequestNostrListenerHandleFromPersisted(data: data);
+
+  /// Export handle data for persistence (e.g. SharedPreferences).
+  /// The secret key is exposed as hex — the caller is responsible
+  /// for storing it securely.
+  PersistedRequestData toPersisted();
+}
+
+/// Parameters for creating a payment request.
+class CreateRequestParams {
+  /// Amount to request (in smallest unit, e.g. sats)
+  final BigInt? amount;
+
+  /// Currency unit ("sat", "usd", etc.)
+  final String unit;
+
+  /// Human-readable description
+  final String? description;
+
+  /// Nostr relay URLs for the transport
+  final List<String> nostrRelays;
+
+  const CreateRequestParams({
+    this.amount,
+    required this.unit,
+    this.description,
+    required this.nostrRelays,
+  });
+
+  @override
+  int get hashCode =>
+      amount.hashCode ^
+      unit.hashCode ^
+      description.hashCode ^
+      nostrRelays.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is CreateRequestParams &&
+          runtimeType == other.runtimeType &&
+          amount == other.amount &&
+          unit == other.unit &&
+          description == other.description &&
+          nostrRelays == other.nostrRelays;
+}
+
+/// Event emitted by the Nostr payment listener.
+class NostrPaymentEvent {
+  final NostrPaymentState state;
+  final BigInt? amount;
+  final String? error;
+
+  const NostrPaymentEvent({required this.state, this.amount, this.error});
+
+  @override
+  int get hashCode => state.hashCode ^ amount.hashCode ^ error.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is NostrPaymentEvent &&
+          runtimeType == other.runtimeType &&
+          state == other.state &&
+          amount == other.amount &&
+          error == other.error;
+}
+
+/// State of a Nostr payment listener.
+enum NostrPaymentState {
+  /// Connected to relays, waiting for payment
+  waiting,
+
+  /// Payment received and tokens claimed
+  received,
+
+  /// Error occurred
+  error,
+}
+
+/// Parsed payment request info exposed to Flutter.
+/// CDK's FromStr auto-detects creqA (CBOR) vs creqB (Bech32m).
+class PaymentRequestInfo {
+  /// Raw encoded string (creqA... or CREQB1...)
+  final String raw;
+
+  /// Payment id
+  final String? paymentId;
+
+  /// Requested amount (in base unit)
+  final BigInt? amount;
+
+  /// Currency unit ("sat", "usd", etc.)
+  final String? unit;
+
+  /// Whether this is a single-use request
+  final bool? singleUse;
+
+  /// Accepted mints (empty = any mint)
+  final List<String> mints;
+
+  /// Human-readable description
+  final String? description;
+
+  /// Available transports
+  final List<TransportInfo> transports;
+
+  /// Whether NUT-10 spending conditions are required
+  final bool hasNut10;
+
+  const PaymentRequestInfo({
+    required this.raw,
+    this.paymentId,
+    this.amount,
+    this.unit,
+    this.singleUse,
+    required this.mints,
+    this.description,
+    required this.transports,
+    required this.hasNut10,
+  });
+
+  /// Parse a payment request string (creqA, CREQB1, or bitcoin:?creq=).
+  /// Supports NUT-18 (CBOR+base64) and NUT-26 (Bech32m) automatically.
+  static PaymentRequestInfo parse({required String encoded}) => RustLib
+      .instance
+      .api
+      .crateApiPaymentRequestPaymentRequestInfoParse(encoded: encoded);
+
+  @override
+  int get hashCode =>
+      raw.hashCode ^
+      paymentId.hashCode ^
+      amount.hashCode ^
+      unit.hashCode ^
+      singleUse.hashCode ^
+      mints.hashCode ^
+      description.hashCode ^
+      transports.hashCode ^
+      hasNut10.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is PaymentRequestInfo &&
+          runtimeType == other.runtimeType &&
+          raw == other.raw &&
+          paymentId == other.paymentId &&
+          amount == other.amount &&
+          unit == other.unit &&
+          singleUse == other.singleUse &&
+          mints == other.mints &&
+          description == other.description &&
+          transports == other.transports &&
+          hasNut10 == other.hasNut10;
+}
+
+/// Serializable data for persisting a NostrListenerHandle across app restarts.
+class PersistedRequestData {
+  final String secretHex;
+  final String pubkeyHex;
+  final List<String> relays;
+  final BigInt? amount;
+  final String unit;
+  final String mintUrl;
+
+  const PersistedRequestData({
+    required this.secretHex,
+    required this.pubkeyHex,
+    required this.relays,
+    this.amount,
+    required this.unit,
+    required this.mintUrl,
+  });
+
+  @override
+  int get hashCode =>
+      secretHex.hashCode ^
+      pubkeyHex.hashCode ^
+      relays.hashCode ^
+      amount.hashCode ^
+      unit.hashCode ^
+      mintUrl.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is PersistedRequestData &&
+          runtimeType == other.runtimeType &&
+          secretHex == other.secretHex &&
+          pubkeyHex == other.pubkeyHex &&
+          relays == other.relays &&
+          amount == other.amount &&
+          unit == other.unit &&
+          mintUrl == other.mintUrl;
+}
+
+/// Transport info exposed to Flutter
+class TransportInfo {
+  /// "nostr" or "post"
+  final String transportType;
+
+  /// Target (nprofile or URL)
+  final String target;
+
+  const TransportInfo({required this.transportType, required this.target});
+
+  @override
+  int get hashCode => transportType.hashCode ^ target.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is TransportInfo &&
+          runtimeType == other.runtimeType &&
+          transportType == other.transportType &&
+          target == other.target;
+}

lib/src/rust/api/token.dart

@@ -0,0 +1,77 @@
+// This file is automatically generated, so please do not edit it.
+// @generated by `flutter_rust_bridge`@ 2.11.1.
+
+// ignore_for_file: invalid_use_of_internal_member, unused_import, unnecessary_import
+
+import '../frb_generated.dart';
+import 'error.dart';
+import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
+
+// These functions are ignored because they are not marked as `pub`: `proofs`
+// These function are ignored because they are on traits that is not defined in current crate (put an empty `#[frb]` on it to unignore): `fmt`, `from_str`, `try_from`, `try_into`, `try_into`
+
+/// Create a token from raw proof data without network access.
+/// Uses CDK's CdkToken::new to produce a valid V4 (cashuB) token.
+/// `proofs_json` is a JSON array of proofs: [{"id":"...","amount":1,"secret":"...","C":"..."}, ...]
+Token createOfflineToken({
+  required String mintUrl,
+  required String proofsJson,
+  String? memo,
+  String? unit,
+}) => RustLib.instance.api.crateApiTokenCreateOfflineToken(
+  mintUrl: mintUrl,
+  proofsJson: proofsJson,
+  memo: memo,
+  unit: unit,
+);
+
+List<String> encodeQrToken({required Token token, BigInt? maxFragmentLength}) =>
+    RustLib.instance.api.crateApiTokenEncodeQrToken(
+      token: token,
+      maxFragmentLength: maxFragmentLength,
+    );
+
+// Rust type: RustOpaqueMoi<flutter_rust_bridge::for_generated::RustAutoOpaqueInner<TokenDecoder>>
+abstract class TokenDecoder implements RustOpaqueInterface {
+  bool isComplete();
+
+  factory TokenDecoder() => RustLib.instance.api.crateApiTokenTokenDecoderNew();
+
+  void receive({required String input});
+
+  Token? value();
+}
+
+class Token {
+  final String encoded;
+  final Uint8List? raw;
+  final BigInt amount;
+  final String mintUrl;
+
+  const Token({
+    required this.encoded,
+    this.raw,
+    required this.amount,
+    required this.mintUrl,
+  });
+
+  static Token fromRawBytes({required List<int> raw}) =>
+      RustLib.instance.api.crateApiTokenTokenFromRawBytes(raw: raw);
+
+  static Token parse({required String encoded}) =>
+      RustLib.instance.api.crateApiTokenTokenParse(encoded: encoded);
+
+  @override
+  int get hashCode =>
+      encoded.hashCode ^ raw.hashCode ^ amount.hashCode ^ mintUrl.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is Token &&
+          runtimeType == other.runtimeType &&
+          encoded == other.encoded &&
+          raw == other.raw &&
+          amount == other.amount &&
+          mintUrl == other.mintUrl;
+}

lib/src/rust/api/wallet.dart

@@ -0,0 +1,353 @@
+// This file is automatically generated, so please do not edit it.
+// @generated by `flutter_rust_bridge`@ 2.11.1.
+
+// ignore_for_file: invalid_use_of_internal_member, unused_import, unnecessary_import
+
+import '../frb_generated.dart';
+import 'error.dart';
+import 'mint_info.dart';
+import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
+import 'payment_request.dart';
+import 'token.dart';
+
+// These functions are ignored because they are not marked as `pub`: `mint_url`, `unit`, `update_balance_streams`
+// These function are ignored because they are on traits that is not defined in current crate (put an empty `#[frb]` on it to unignore): `assert_receiver_is_total_eq`, `assert_receiver_is_total_eq`, `assert_receiver_is_total_eq`, `clone`, `clone`, `clone`, `clone`, `cmp`, `eq`, `eq`, `eq`, `fmt`, `fmt`, `from`, `from`, `from`, `from`, `from`, `from`, `into`, `partial_cmp`, `try_into`, `try_into`
+
+// Rust type: RustOpaqueMoi<flutter_rust_bridge::for_generated::RustAutoOpaqueInner<PreparedSend>>
+abstract class PreparedSend implements RustOpaqueInterface {
+  BigInt get amount;
+
+  BigInt get fee;
+
+  BigInt get sendFee;
+
+  BigInt get swapFee;
+
+  set amount(BigInt amount);
+
+  set fee(BigInt fee);
+
+  set sendFee(BigInt sendFee);
+
+  set swapFee(BigInt swapFee);
+}
+
+// Rust type: RustOpaqueMoi<flutter_rust_bridge::for_generated::RustAutoOpaqueInner<Wallet>>
+abstract class Wallet implements RustOpaqueInterface {
+  String get mintUrl;
+
+  String get unit;
+
+  set mintUrl(String mintUrl);
+
+  set unit(String unit);
+
+  Future<BigInt> balance();
+
+  Future<void> cancelSend({required PreparedSend send});
+
+  Future<void> checkAllMintQuotes();
+
+  Future<void> checkPendingTransactions();
+
+  /// Create a NUT-18 payment request with Nostr transport.
+  ///
+  /// Builds a PaymentRequest with the wallet's mint URL and unit,
+  /// generates ephemeral Nostr keys, and returns both creqA and creqB
+  /// encodings plus the keys needed for the Nostr listener.
+  Future<CreatedPaymentRequest> createPaymentRequest({
+    required CreateRequestParams params,
+  });
+
+  Future<void> finalizePendingMelts();
+
+  Future<MintInfo?> getMint();
+
+  Future<bool> isTokenSpent({required Token token});
+
+  Future<List<Transaction>> listTransactions({TransactionDirection? direction});
+
+  Future<BigInt> melt({required MeltQuote quote});
+
+  Future<MeltQuote> meltQuote({required String request});
+
+  Stream<MintQuote> mint({required BigInt amount, String? description});
+
+  factory Wallet({
+    required String mintUrl,
+    required String unit,
+    required String mnemonic,
+    BigInt? targetProofCount,
+    required WalletDatabase db,
+  }) => RustLib.instance.api.crateApiWalletWalletNew(
+    mintUrl: mintUrl,
+    unit: unit,
+    mnemonic: mnemonic,
+    targetProofCount: targetProofCount,
+    db: db,
+  );
+
+  /// Pay a NUT-18 payment request.
+  /// Uses CDK's pay_request() which handles:
+  /// - NUT-10 spending conditions
+  /// - Transport selection (Nostr preferred, HTTP POST fallback)
+  /// - Token preparation and delivery
+  Future<void> payPaymentRequest({
+    required String encoded,
+    BigInt? customAmount,
+  });
+
+  Future<PreparedSend> prepareSend({required BigInt amount, SendOptions? opts});
+
+  Future<BigInt> receive({required Token token, ReceiveOptions? opts});
+
+  /// Check pending-spent proofs with the mint and revert unspent ones.
+  /// Returns the number of proofs recovered.
+  Future<BigInt> reclaimPendingProofs();
+
+  Future<void> recoverIncompleteSagas();
+
+  Future<void> restore();
+
+  Future<SendResult> send({
+    required PreparedSend send,
+    String? memo,
+    bool? includeMemo,
+  });
+
+  Stream<BigInt> streamBalance();
+
+  /// Wait for an incoming Nostr payment (NIP-17 gift-wrap).
+  ///
+  /// Takes the opaque NostrListenerHandle returned by create_payment_request().
+  /// The secret key never leaves Rust memory.
+  Stream<NostrPaymentEvent> waitForNostrPayment({
+    required NostrListenerHandle handle,
+  });
+}
+
+// Rust type: RustOpaqueMoi<flutter_rust_bridge::for_generated::RustAutoOpaqueInner<WalletDatabase>>
+abstract class WalletDatabase implements RustOpaqueInterface {
+  String get path;
+
+  set path(String path);
+
+  static Future<WalletDatabase> newInstance({required String path}) =>
+      RustLib.instance.api.crateApiWalletWalletDatabaseNewInstance(path: path);
+
+  Future<void> removeMint({required String mintUrl});
+}
+
+class MeltQuote {
+  final String id;
+  final String request;
+  final BigInt amount;
+  final BigInt feeReserve;
+  final BigInt expiry;
+
+  const MeltQuote({
+    required this.id,
+    required this.request,
+    required this.amount,
+    required this.feeReserve,
+    required this.expiry,
+  });
+
+  @override
+  int get hashCode =>
+      id.hashCode ^
+      request.hashCode ^
+      amount.hashCode ^
+      feeReserve.hashCode ^
+      expiry.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is MeltQuote &&
+          runtimeType == other.runtimeType &&
+          id == other.id &&
+          request == other.request &&
+          amount == other.amount &&
+          feeReserve == other.feeReserve &&
+          expiry == other.expiry;
+}
+
+class MintQuote {
+  final String id;
+  final String request;
+  final BigInt? amount;
+  final BigInt? expiry;
+  final MintQuoteState state;
+  final Token? token;
+  final String? error;
+
+  /// Deterministic transaction ID (set when state == Issued)
+  final String? transactionId;
+
+  const MintQuote({
+    required this.id,
+    required this.request,
+    this.amount,
+    this.expiry,
+    required this.state,
+    this.token,
+    this.error,
+    this.transactionId,
+  });
+
+  @override
+  int get hashCode =>
+      id.hashCode ^
+      request.hashCode ^
+      amount.hashCode ^
+      expiry.hashCode ^
+      state.hashCode ^
+      token.hashCode ^
+      error.hashCode ^
+      transactionId.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is MintQuote &&
+          runtimeType == other.runtimeType &&
+          id == other.id &&
+          request == other.request &&
+          amount == other.amount &&
+          expiry == other.expiry &&
+          state == other.state &&
+          token == other.token &&
+          error == other.error &&
+          transactionId == other.transactionId;
+}
+
+enum MintQuoteState { unpaid, paid, issued, error }
+
+class ReceiveOptions {
+  final List<String>? signingKeys;
+  final List<String>? preimages;
+
+  const ReceiveOptions({this.signingKeys, this.preimages});
+
+  static Future<ReceiveOptions> default_() =>
+      RustLib.instance.api.crateApiWalletReceiveOptionsDefault();
+
+  @override
+  int get hashCode => signingKeys.hashCode ^ preimages.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is ReceiveOptions &&
+          runtimeType == other.runtimeType &&
+          signingKeys == other.signingKeys &&
+          preimages == other.preimages;
+}
+
+class SendOptions {
+  final String? pubkey;
+  final bool? includeFee;
+
+  const SendOptions({this.pubkey, this.includeFee});
+
+  static Future<SendOptions> default_() =>
+      RustLib.instance.api.crateApiWalletSendOptionsDefault();
+
+  @override
+  int get hashCode => pubkey.hashCode ^ includeFee.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is SendOptions &&
+          runtimeType == other.runtimeType &&
+          pubkey == other.pubkey &&
+          includeFee == other.includeFee;
+}
+
+/// Result of a confirmed send, carrying both the ecash token and the
+/// deterministic transaction ID so Dart can save metadata without a racy
+/// listTransactions lookup.
+class SendResult {
+  final Token token;
+
+  /// Deterministic transaction ID (None if computation failed)
+  final String? transactionId;
+
+  const SendResult({required this.token, this.transactionId});
+
+  @override
+  int get hashCode => token.hashCode ^ transactionId.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is SendResult &&
+          runtimeType == other.runtimeType &&
+          token == other.token &&
+          transactionId == other.transactionId;
+}
+
+class Transaction {
+  final String id;
+  final String mintUrl;
+  final TransactionDirection direction;
+  final BigInt amount;
+  final BigInt fee;
+  final String unit;
+  final List<String> ys;
+  final BigInt timestamp;
+  final String? memo;
+  final Map<String, String> metadata;
+  final TransactionStatus status;
+
+  const Transaction({
+    required this.id,
+    required this.mintUrl,
+    required this.direction,
+    required this.amount,
+    required this.fee,
+    required this.unit,
+    required this.ys,
+    required this.timestamp,
+    this.memo,
+    required this.metadata,
+    required this.status,
+  });
+
+  @override
+  int get hashCode =>
+      id.hashCode ^
+      mintUrl.hashCode ^
+      direction.hashCode ^
+      amount.hashCode ^
+      fee.hashCode ^
+      unit.hashCode ^
+      ys.hashCode ^
+      timestamp.hashCode ^
+      memo.hashCode ^
+      metadata.hashCode ^
+      status.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is Transaction &&
+          runtimeType == other.runtimeType &&
+          id == other.id &&
+          mintUrl == other.mintUrl &&
+          direction == other.direction &&
+          amount == other.amount &&
+          fee == other.fee &&
+          unit == other.unit &&
+          ys == other.ys &&
+          timestamp == other.timestamp &&
+          memo == other.memo &&
+          metadata == other.metadata &&
+          status == other.status;
+}
+
+enum TransactionDirection { incoming, outgoing }
+
+enum TransactionStatus { pending, settled }

lib/widgets/scanner/qr_scanner_widget.dart

@@ -1,8 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:mobile_scanner/mobile_scanner.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
-import 'package:cdk_flutter/cdk_flutter.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
+import '../../src/rust/api/token.dart';
 import '../../core/constants/colors.dart';
 import '../../core/utils/incoming_data_parser.dart';
 
@@ -36,7 +36,7 @@ class QrScannerWidget extends StatefulWidget {
 class _QrScannerWidgetState extends State<QrScannerWidget> {
   late MobileScannerController _controller;
 
-  // Estado para QR animados (UR multipartes) usando TokenDecoder de cdk-flutter
+  // Estado para QR animados (UR multipartes) — TokenDecoder (Rust bridge)
   TokenDecoder? _urDecoder;
   bool _isCapturingUr = false;
   final Set<String> _urFragmentsSeen = {};  // Trackear fragmentos únicos

linux/flutter/generated_plugins.cmake

@@ -8,7 +8,7 @@ list(APPEND FLUTTER_PLUGIN_LIST
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST
-  cdk_flutter
+  rust_builder
 )
 
 set(PLUGIN_BUNDLED_LIBRARIES)

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -7,6 +7,7 @@ import Foundation
 
 import flutter_secure_storage_macos
 import mobile_scanner
+import package_info_plus
 import path_provider_foundation
 import share_plus
 import shared_preferences_foundation
@@ -16,6 +17,7 @@ import url_launcher_macos
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   FlutterSecureStoragePlugin.register(with: registry.registrar(forPlugin: "FlutterSecureStoragePlugin"))
   MobileScannerPlugin.register(with: registry.registrar(forPlugin: "MobileScannerPlugin"))
+  FPPPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FPPPackageInfoPlusPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   SharePlusMacosPlugin.register(with: registry.registrar(forPlugin: "SharePlusMacosPlugin"))
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))

pubspec.lock

@@ -1,6 +1,22 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  _fe_analyzer_shared:
+    dependency: transitive
+    description:
+      name: _fe_analyzer_shared
+      sha256: da0d9209ca76bde579f2da330aeb9df62b6319c834fa7baae052021b0462401f
+      url: "https://pub.dev"
+    source: hosted
+    version: "85.0.0"
+  analyzer:
+    dependency: transitive
+    description:
+      name: analyzer
+      sha256: "974859dc0ff5f37bc4313244b3218c791810d03ab3470a579580279ba971a48d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.7.1"
   ansicolor:
     dependency: transitive
     description:
@@ -41,6 +57,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.2.2"
+  bip32:
+    dependency: "direct main"
+    description:
+      name: bip32
+      sha256: "54787cd7a111e9d37394aabbf53d1fc5e2e0e0af2cd01c459147a97c0e3f8a97"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -49,6 +73,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
+  bs58check:
+    dependency: transitive
+    description:
+      name: bs58check
+      sha256: c4a164d42b25c2f6bc88a8beccb9fc7d01440f3c60ba23663a20a70faf484ea9
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.2"
+  build:
+    dependency: transitive
+    description:
+      name: build
+      sha256: "51dc711996cbf609b90cbe5b335bbce83143875a9d58e4b5c6d3c4f684d3dda7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.4"
   build_cli_annotations:
     dependency: transitive
     description:
@@ -57,6 +97,62 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.0"
+  build_config:
+    dependency: transitive
+    description:
+      name: build_config
+      sha256: "4ae2de3e1e67ea270081eaee972e1bd8f027d459f249e0f1186730784c2e7e33"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.2"
+  build_daemon:
+    dependency: transitive
+    description:
+      name: build_daemon
+      sha256: bf05f6e12cfea92d3c09308d7bcdab1906cd8a179b023269eed00c071004b957
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.1"
+  build_resolvers:
+    dependency: transitive
+    description:
+      name: build_resolvers
+      sha256: ee4257b3f20c0c90e72ed2b57ad637f694ccba48839a821e87db762548c22a62
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.4"
+  build_runner:
+    dependency: "direct dev"
+    description:
+      name: build_runner
+      sha256: "382a4d649addbfb7ba71a3631df0ec6a45d5ab9b098638144faf27f02778eb53"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.4"
+  build_runner_core:
+    dependency: transitive
+    description:
+      name: build_runner_core
+      sha256: "85fbbb1036d576d966332a3f5ce83f2ce66a40bea1a94ad2d5fc29a19a0d3792"
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.1.2"
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      sha256: "376e3dd27b51ea877c28d525560790aee2e6fbb5f20e2f85d5081027d94e2100"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.1"
+  built_value:
+    dependency: transitive
+    description:
+      name: built_value
+      sha256: "0730c18c770d05636a8f945c32a4d7d81cb6e0f0148c8db4ad12e7748f7e49af"
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.12.5"
   cbor:
     dependency: "direct main"
     description:
@@ -65,23 +161,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.3.5"
-  cdk_flutter:
-    dependency: "direct main"
-    description:
-      path: "."
-      ref: HEAD
-      resolved-ref: "3e0c77c22c807459d5d355e270ef4b5ad6a490c1"
-      url: "https://github.com/cashubtc/cdk_flutter.git"
-    source: git
-    version: "0.1.0"
   characters:
     dependency: transitive
     description:
       name: characters
-      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
+      sha256: faf38497bda5ead2a8c7615f4f7939df04333478bf32e4173fcb06d428b5716b
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.0"
+    version: "1.4.1"
   checked_yaml:
     dependency: transitive
     description:
@@ -102,18 +189,26 @@ packages:
     dependency: transitive
     description:
       name: clock
-      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      sha256: fddb70d9b5277016c77a80201021d40a2247104d9f4aa7bab7157b7e3f05b84b
       url: "https://pub.dev"
     source: hosted
-    version: "1.1.1"
+    version: "1.1.2"
+  code_builder:
+    dependency: transitive
+    description:
+      name: code_builder
+      sha256: "6a6cab2ba4680d6423f34a9b972a4c9a94ebe1b62ecec4e1a1f2cba91fd1319d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.11.1"
   collection:
     dependency: transitive
     description:
       name: collection
-      sha256: a1ace0a119f20aabc852d165077c036cd864315bd99b7eaa10a60100341941bf
+      sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
       url: "https://pub.dev"
     source: hosted
-    version: "1.19.0"
+    version: "1.19.1"
   convert:
     dependency: transitive
     description:
@@ -154,14 +249,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.8"
+  dart_style:
+    dependency: transitive
+    description:
+      name: dart_style
+      sha256: "8a0e5fba27e8ee025d2ffb4ee820b4e6e2cf5e4246a6b1a477eb66866947e0bb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.1"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      sha256: "5368f224a74523e8d2e7399ea1638b37aecfca824a3cc4dfdf77bf1fa905ac44"
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.1"
+    version: "1.3.3"
   ffi:
     dependency: transitive
     description:
@@ -221,7 +324,7 @@ packages:
     source: hosted
     version: "2.4.4"
   flutter_rust_bridge:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: flutter_rust_bridge
       sha256: "37ef40bc6f863652e865f0b2563ea07f0d3c58d8efad803cc01933a4b2ee067e"
@@ -286,14 +389,38 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  freezed:
+    dependency: "direct dev"
+    description:
+      name: freezed
+      sha256: "59a584c24b3acdc5250bb856d0d3e9c0b798ed14a4af1ddb7dc1c7b41df91c9c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.8"
   freezed_annotation:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: freezed_annotation
       sha256: c2e2d632dd9b8a2b7751117abcfc2b4888ecfe181bd9fca7170d9ef02e595fe2
       url: "https://pub.dev"
     source: hosted
     version: "2.4.4"
+  frontend_server_client:
+    dependency: transitive
+    description:
+      name: frontend_server_client
+      sha256: f64a0333a82f30b0cca061bc3d143813a486dc086b574bfb233b7c1372427694
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.0"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      sha256: c3f1ee72c96f8f78935e18aa8cecced9ab132419e8625dc187e1c2408efc20de
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.3"
   google_fonts:
     dependency: "direct main"
     description:
@@ -302,6 +429,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.3.0"
+  graphs:
+    dependency: transitive
+    description:
+      name: graphs
+      sha256: "741bbf84165310a68ff28fe9e727332eef1407342fca52759cb21ad8177bb8d0"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
   hex:
     dependency: transitive
     description:
@@ -326,6 +461,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.6.0"
+  http_multi_server:
+    dependency: transitive
+    description:
+      name: http_multi_server
+      sha256: aa6199f908078bb1c5efb8d8638d4ae191aac11b311132c3ef48ce352fb52ef8
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.2"
   http_parser:
     dependency: transitive
     description:
@@ -354,10 +497,18 @@ packages:
     dependency: "direct main"
     description:
       name: intl
-      sha256: d6f56758b7d3014a48af9701c085700aac781a92a87a62b1333b46d8879661cf
+      sha256: "3df61194eb431efc39c4ceba583b95633a403f46c9fd341e550ce0bfa50e9aa5"
       url: "https://pub.dev"
     source: hosted
-    version: "0.19.0"
+    version: "0.20.2"
+  io:
+    dependency: transitive
+    description:
+      name: io
+      sha256: dfd5a80599cf0165756e3181807ed3e77daf6dd4137caaad72d0b7931597650b
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.5"
   js:
     dependency: transitive
     description:
@@ -378,26 +529,26 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "7bb2830ebd849694d1ec25bf1f44582d6ac531a57a365a803a6034ff751d2d06"
+      sha256: "33e2e26bdd85a0112ec15400c8cbffea70d0f9c3407491f672a2fad47915e2de"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.7"
+    version: "11.0.2"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: "9491a714cca3667b60b5c420da8217e6de0d1ba7a5ec322fab01758f6998f379"
+      sha256: "1dbc140bb5a23c75ea9c4811222756104fbcd1a27173f0c34ca01e16bea473c1"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.8"
+    version: "3.0.10"
   leak_tracker_testing:
     dependency: transitive
     description:
       name: leak_tracker_testing
-      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
+      sha256: "8d5a2d49f4a66b49744b23b018848400d23e54caf9463f4eb20df3eb8acb2eb1"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.1"
+    version: "3.0.2"
   lints:
     dependency: transitive
     description:
@@ -406,6 +557,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.1.1"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      sha256: c8245ada5f1717ed44271ed1c26b8ce85ca3228fd2ffdb75468ab01979309d61
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.0"
   lucide_icons:
     dependency: "direct main"
     description:
@@ -418,26 +577,26 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      sha256: d2323aa2060500f906aa31a895b4030b6da3ebdcc5619d14ce1aada65cd161cb
+      sha256: dc0b7dc7651697ea4ff3e69ef44b0407ea32c487a39fff6a4004fa585e901861
       url: "https://pub.dev"
     source: hosted
-    version: "0.12.16+1"
+    version: "0.12.19"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
+      sha256: "9c337007e82b1889149c82ed242ed1cb24a66044e30979c44912381e9be4c48b"
       url: "https://pub.dev"
     source: hosted
-    version: "0.11.1"
+    version: "0.13.0"
   meta:
     dependency: transitive
     description:
       name: meta
-      sha256: bdb68674043280c3428e9ec998512fb681678676b3c54e773629ffe74419f8c7
+      sha256: "23f08335362185a5ea2ad3a4e597f1375e78bce8a040df5c600c8d3552ef2394"
       url: "https://pub.dev"
     source: hosted
-    version: "1.15.0"
+    version: "1.17.0"
   mime:
     dependency: transitive
     description:
@@ -454,6 +613,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.2.3"
+  ndef_record:
+    dependency: "direct main"
+    description:
+      name: ndef_record
+      sha256: "210ffb12284961cab9e44b99462143316d9a20cd992581170706069ef77d74a6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.2"
   nested:
     dependency: transitive
     description:
@@ -462,14 +629,46 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.0"
+  nfc_manager:
+    dependency: "direct main"
+    description:
+      name: nfc_manager
+      sha256: "24c78b0e5702da53e7f8794d073624c0bee7cd99924f257cbd11f5d1c5866879"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.1"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      sha256: f096c55ebb7deb7e384101542bfba8c52696c1b56fca2eb62827989ef2353bbc
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  package_info_plus:
+    dependency: "direct main"
+    description:
+      name: package_info_plus
+      sha256: f69da0d3189a4b4ceaeb1a3defb0f329b3b352517f52bed4290f83d4f06bc08d
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.0.0"
+  package_info_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: package_info_plus_platform_interface
+      sha256: "202a487f08836a592a6bd4f901ac69b3a8f146af552bbd14407b6b41e1c3f086"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.1"
   path:
     dependency: transitive
     description:
       name: path
-      sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af"
+      sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
       url: "https://pub.dev"
     source: hosted
-    version: "1.9.0"
+    version: "1.9.1"
   path_provider:
     dependency: "direct main"
     description:
@@ -542,6 +741,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.8"
+  pointycastle:
+    dependency: transitive
+    description:
+      name: pointycastle
+      sha256: "4be0097fcf3fd3e8449e53730c631200ebc7b88016acecab2b0da2f0149222fe"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.9.1"
+  pool:
+    dependency: transitive
+    description:
+      name: pool
+      sha256: "978783255c543aa3586a1b3c21f6e9d720eb315376a915872c61ef8b5c20177d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.2"
   posix:
     dependency: transitive
     description:
@@ -558,6 +773,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.1.5+1"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      sha256: "5bfcf68ca79ef689f8990d1160781b4bad40a3bd5e5218ad4076ddb7f4081585"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  pubspec_parse:
+    dependency: transitive
+    description:
+      name: pubspec_parse
+      sha256: "0560ba233314abbed0a48a2956f7f022cce7c3e1e73df540277da7544cad4082"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.0"
   qr:
     dependency: transitive
     description:
@@ -574,6 +805,13 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.1.0"
+  rust_builder:
+    dependency: "direct main"
+    description:
+      path: rust_builder
+      relative: true
+    source: path
+    version: "0.1.0"
   share_plus:
     dependency: "direct main"
     description:
@@ -646,11 +884,35 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.4.1"
+  shelf:
+    dependency: transitive
+    description:
+      name: shelf
+      sha256: e7dd780a7ffb623c57850b33f43309312fc863fb6aa3d276a754bb299839ef12
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.2"
+  shelf_web_socket:
+    dependency: transitive
+    description:
+      name: shelf_web_socket
+      sha256: "3632775c8e90d6c9712f883e633716432a27758216dfb61bd86a8321c0580925"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.0"
   sky_engine:
     dependency: transitive
     description: flutter
     source: sdk
     version: "0.0.0"
+  source_gen:
+    dependency: transitive
+    description:
+      name: source_gen
+      sha256: "35c8150ece9e8c8d263337a265153c3329667640850b9304861faea59fc98f6b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
   source_span:
     dependency: transitive
     description:
@@ -719,18 +981,26 @@ packages:
     dependency: transitive
     description:
       name: stack_trace
-      sha256: "9f47fd3630d76be3ab26f0ee06d213679aa425996925ff3feffdec504931c377"
+      sha256: "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1"
       url: "https://pub.dev"
     source: hosted
-    version: "1.12.0"
+    version: "1.12.1"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      sha256: ba2aa5d8cc609d96bbb2899c28934f9e1af5cddbd60a827822ea467161eb54e7
+      sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.4"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      sha256: ad47125e588cfd37a9a7f86c7d6356dde8dfe89d071d293f80ca9e9273a33871
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
   string_scanner:
     dependency: transitive
     description:
@@ -759,10 +1029,18 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: "664d3a9a64782fcdeb83ce9c6b39e78fd2971d4e37827b9b06c3aa1edc5e760c"
+      sha256: "8161c84903fd860b26bfdefb7963b3f0b68fee7adea0f59ef805ecca346f0c7a"
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.3"
+    version: "0.7.10"
+  timing:
+    dependency: transitive
+    description:
+      name: timing
+      sha256: "62ee18aca144e4a9f29d212f5a4c6a053be252b895ab14b5821996cff4ed90fe"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.2"
   typed_data:
     dependency: transitive
     description:
@@ -855,10 +1133,10 @@ packages:
     dependency: transitive
     description:
       name: vector_math
-      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      sha256: d530bd74fea330e6e364cda7a85019c434070188383e1cd8d9777ee586914c5b
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.4"
+    version: "2.2.0"
   vm_service:
     dependency: transitive
     description:
@@ -867,6 +1145,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "14.3.0"
+  watcher:
+    dependency: transitive
+    description:
+      name: watcher
+      sha256: "1398c9f081a753f9226febe8900fce8f7d0a67163334e1c94a2438339d79d635"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.1"
   web:
     dependency: transitive
     description:
@@ -875,6 +1161,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
+  web_socket:
+    dependency: transitive
+    description:
+      name: web_socket
+      sha256: "34d64019aa8e36bf9842ac014bb5d2f5586ca73df5e4d9bf5c936975cae6982c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.1"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      sha256: d645757fb0f4773d602444000a8131ff5d48c9e47adfe9772652dd1a4f2d45c8
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.3"
   win32:
     dependency: transitive
     description:
@@ -908,5 +1210,5 @@ packages:
     source: hosted
     version: "3.1.3"
 sdks:
-  dart: ">=3.6.0 <4.0.0"
+  dart: ">=3.11.0 <4.0.0"
   flutter: ">=3.27.0"

pubspec.yaml

@@ -1,10 +1,10 @@
 name: elcaju
 description: "ElCaju - Tu wallet de ecash privado"
 publish_to: 'none'
-version: 0.0.1+1
+version: 0.1.0+2
 
 environment:
-  sdk: ^3.6.0
+  sdk: ^3.11.0
 
 dependencies:
   flutter:
@@ -15,10 +15,9 @@ dependencies:
 
   cupertino_icons: ^1.0.8
 
-  # CDK Flutter (Cashu backend)
-  cdk_flutter:
-    git:
-      url: https://github.com/cashubtc/cdk_flutter.git
+  # Internal Rust bridge (Cashu backend via cdk)
+  rust_builder:
+    path: rust_builder
 
   # State Management
   provider: ^6.1.2
@@ -56,12 +55,24 @@ dependencies:
   # UUID generator for pending tokens
   uuid: ^4.3.3
 
+  # NFC for token sharing
+  nfc_manager: ^4.1.1
+  ndef_record: ^1.4.2
+
+  # BIP32 for NIP-06 key derivation (P2PK)
+  bip32: ^2.0.0
+  package_info_plus: ^9.0.0
+  flutter_rust_bridge: 2.11.1
+  freezed_annotation: ^2.4.4
+
 dev_dependencies:
   flutter_test:
     sdk: flutter
   flutter_lints: ^5.0.0
   flutter_launcher_icons: ^0.14.3
   flutter_native_splash: ^2.4.4
+  freezed: ^2.5.8
+  build_runner: ^2.5.4
 
 # App Icon configuration
 flutter_launcher_icons:

rust/Cargo.toml

@@ -0,0 +1,65 @@
+[package]
+name = "elcaju_core"
+version = "0.1.0"
+edition = "2024"
+
+[lib]
+crate-type = ["cdylib", "staticlib"]
+
+[dependencies]
+# Cashu — acceso directo, sin intermediarios
+cdk = { version = "0.15.1", default-features = false, features = ["wallet", "nostr"] }
+cdk-common = { version = "0.15.1", default-features = false, features = ["nostr"] }
+cdk-sqlite = { version = "0.15.1", default-features = false, features = ["wallet"] }
+
+# Bridge Flutter <-> Rust
+flutter_rust_bridge = { version = "=2.11.1", default-features = false, features = [
+    "anyhow",
+    "dart-opaque",
+    "portable-atomic",
+    "rust-async",
+    "thread-pool",
+    "wasm-start",
+] }
+
+# QR multiframe (bc-ur)
+bc-ur = { version = "0.12.0", default-features = false }
+
+# Mnemonic
+bip39 = { version = "2.1", default-features = false, features = ["std"] }
+
+# Entropy
+getrandom = { version = "0.3", default-features = false, features = ["std"] }
+
+# Nostr keys (same version as CDK 0.15.1 — CDK does not re-export Keys)
+nostr-sdk = { version = "0.44.1", default-features = false, features = ["nip04", "nip44", "nip59"] }
+
+# Async runtime
+tokio = { version = "1", default-features = false }
+
+# HTTP (para ping_mint, fetch_keysets)
+reqwest = { version = "0.12", default-features = false, features = [
+    "deflate",
+    "gzip",
+    "json",
+    "rustls-tls",
+    "rustls-tls-native-roots",
+] }
+
+# Serialización
+serde_json = { version = "1.0", default-features = false, features = ["std"] }
+
+# UUID (for PreparedSend operation_id)
+uuid = { version = "1", default-features = false }
+
+# Logging
+log = { version = "0.4", default-features = false }
+
+[target.'cfg(target_os = "android")'.dependencies]
+android_logger = "0.15"
+
+[target.'cfg(any(target_os = "ios", target_os = "macos"))'.dependencies]
+oslog = "0.2.0"
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(frb_expand)'] }

rust/src/api/error.rs

@@ -0,0 +1,100 @@
+use std::fmt;
+
+/// Errores unificados de elcaju_core
+#[derive(Debug)]
+pub enum Error {
+    /// Error del protocolo Cashu (cdk)
+    Cdk(String),
+    /// Error de base de datos (SQLite)
+    Database(String),
+    /// Input inválido del usuario
+    InvalidInput,
+    /// Error de red (HTTP, conexión)
+    Network(String),
+    /// Error de UR (QR multiframe)
+    Ur(String),
+}
+
+impl fmt::Display for Error {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Error::Cdk(msg) => write!(f, "Cashu error: {msg}"),
+            Error::Database(msg) => write!(f, "Database error: {msg}"),
+            Error::InvalidInput => write!(f, "Invalid input"),
+            Error::Network(msg) => write!(f, "Network error: {msg}"),
+            Error::Ur(msg) => write!(f, "UR error: {msg}"),
+        }
+    }
+}
+
+impl std::error::Error for Error {}
+
+// --- cdk errors ---
+
+impl From<cdk::error::Error> for Error {
+    fn from(e: cdk::error::Error) -> Self {
+        Error::Cdk(e.to_string())
+    }
+}
+
+impl From<cdk::amount::Error> for Error {
+    fn from(e: cdk::amount::Error) -> Self {
+        Error::Cdk(e.to_string())
+    }
+}
+
+impl From<cdk::cdk_database::Error> for Error {
+    fn from(e: cdk::cdk_database::Error) -> Self {
+        Error::Database(e.to_string())
+    }
+}
+
+impl From<cdk::mint_url::Error> for Error {
+    fn from(e: cdk::mint_url::Error) -> Self {
+        Error::Network(e.to_string())
+    }
+}
+
+impl From<cdk::nuts::nut00::Error> for Error {
+    fn from(e: cdk::nuts::nut00::Error) -> Self {
+        Error::Cdk(e.to_string())
+    }
+}
+
+impl From<cdk::nuts::nut01::Error> for Error {
+    fn from(e: cdk::nuts::nut01::Error) -> Self {
+        Error::Cdk(e.to_string())
+    }
+}
+
+impl From<cdk::nuts::nut11::Error> for Error {
+    fn from(e: cdk::nuts::nut11::Error) -> Self {
+        Error::Cdk(e.to_string())
+    }
+}
+
+// --- external errors ---
+
+impl From<bc_ur::Error> for Error {
+    fn from(e: bc_ur::Error) -> Self {
+        Error::Ur(e.to_string())
+    }
+}
+
+impl From<reqwest::Error> for Error {
+    fn from(e: reqwest::Error) -> Self {
+        Error::Network(e.to_string())
+    }
+}
+
+impl From<serde_json::Error> for Error {
+    fn from(e: serde_json::Error) -> Self {
+        Error::Cdk(e.to_string())
+    }
+}
+
+impl From<std::string::FromUtf8Error> for Error {
+    fn from(e: std::string::FromUtf8Error) -> Self {
+        Error::Cdk(e.to_string())
+    }
+}

rust/src/api/keys.rs

@@ -0,0 +1,31 @@
+use std::str::FromStr;
+
+use bip39::Mnemonic;
+use cdk_common::SecretKey;
+use flutter_rust_bridge::frb;
+
+use super::error::Error;
+
+/// Generate a new 12-word BIP39 mnemonic
+#[frb(sync)]
+pub fn generate_mnemonic() -> Result<String, Error> {
+    let mut entropy = [0u8; 16]; // 128 bits → 12 words
+    getrandom::fill(&mut entropy).map_err(|_| Error::InvalidInput)?;
+    let mnemonic = Mnemonic::from_entropy(&entropy).map_err(|_| Error::InvalidInput)?;
+    Ok(mnemonic.to_string())
+}
+
+/// Convert a mnemonic to a 64-byte seed
+#[frb(sync)]
+pub fn mnemonic_to_seed(mnemonic: String) -> Result<Vec<u8>, Error> {
+    let mnemonic = Mnemonic::parse(&mnemonic).map_err(|_| Error::InvalidInput)?;
+    Ok(mnemonic.to_seed("").to_vec())
+}
+
+/// Derive the public key (hex) from a secret key (hex)
+#[frb(sync)]
+pub fn get_pub_key(secret: String) -> Result<String, Error> {
+    let secret = SecretKey::from_str(&secret)?;
+    let pub_key = secret.public_key();
+    Ok(pub_key.to_string())
+}

rust/src/api/mint_info.rs

@@ -0,0 +1,243 @@
+use std::str::FromStr;
+
+use cdk::{
+    nuts::{nut04, nut05, nut06},
+    wallet::{HttpClient, MintConnector},
+};
+use cdk_common::{
+    mint_url::MintUrl, ContactInfo as CdkContactInfo, MintInfo as CdkMintInfo,
+    MintVersion as CdkMintVersion, Nuts as CdkNuts,
+};
+
+use super::error::Error;
+
+// === MintInfo structs ===
+
+pub struct MintInfo {
+    pub name: Option<String>,
+    pub pubkey: Option<String>,
+    pub version: Option<MintVersion>,
+    pub description: Option<String>,
+    pub description_long: Option<String>,
+    pub contact: Option<Vec<ContactInfo>>,
+    pub nuts: Nuts,
+    pub icon_url: Option<String>,
+    pub urls: Option<Vec<String>>,
+    pub motd: Option<String>,
+    pub time: Option<u64>,
+    pub tos_url: Option<String>,
+}
+
+impl From<CdkMintInfo> for MintInfo {
+    fn from(value: CdkMintInfo) -> Self {
+        Self {
+            name: value.name,
+            pubkey: value.pubkey.map(|p| p.to_string()),
+            version: value.version.map(|v| v.into()),
+            description: value.description,
+            description_long: value.description_long,
+            contact: value
+                .contact
+                .map(|c| c.into_iter().map(|c| c.into()).collect()),
+            nuts: value.nuts.into(),
+            icon_url: value.icon_url,
+            urls: value.urls,
+            motd: value.motd,
+            time: value.time,
+            tos_url: value.tos_url,
+        }
+    }
+}
+
+pub struct MintVersion {
+    pub name: String,
+    pub version: String,
+}
+
+impl From<CdkMintVersion> for MintVersion {
+    fn from(value: CdkMintVersion) -> Self {
+        Self {
+            name: value.name,
+            version: value.version,
+        }
+    }
+}
+
+pub struct ContactInfo {
+    pub method: String,
+    pub info: String,
+}
+
+impl From<CdkContactInfo> for ContactInfo {
+    fn from(c: CdkContactInfo) -> Self {
+        Self {
+            method: c.method,
+            info: c.info,
+        }
+    }
+}
+
+// === NUT settings ===
+
+pub struct Nuts {
+    pub nut04: Nut04Settings,
+    pub nut05: Nut05Settings,
+    pub nut07: SupportedSettings,
+    pub nut08: SupportedSettings,
+    pub nut09: SupportedSettings,
+    pub nut10: SupportedSettings,
+    pub nut11: SupportedSettings,
+    pub nut12: SupportedSettings,
+    pub nut14: SupportedSettings,
+    pub nut20: SupportedSettings,
+}
+
+impl From<CdkNuts> for Nuts {
+    fn from(value: CdkNuts) -> Self {
+        Self {
+            nut04: value.nut04.into(),
+            nut05: value.nut05.into(),
+            nut07: value.nut07.into(),
+            nut08: value.nut08.into(),
+            nut09: value.nut09.into(),
+            nut10: value.nut10.into(),
+            nut11: value.nut11.into(),
+            nut12: value.nut12.into(),
+            nut14: value.nut14.into(),
+            nut20: value.nut20.into(),
+        }
+    }
+}
+
+pub struct SupportedSettings {
+    pub supported: bool,
+}
+
+impl From<nut06::SupportedSettings> for SupportedSettings {
+    fn from(value: nut06::SupportedSettings) -> Self {
+        Self {
+            supported: value.supported,
+        }
+    }
+}
+
+pub struct Nut04Settings {
+    pub methods: Vec<MintMethodSettings>,
+    pub disabled: bool,
+}
+
+impl From<nut04::Settings> for Nut04Settings {
+    fn from(value: nut04::Settings) -> Self {
+        Self {
+            methods: value.methods.into_iter().map(|m| m.into()).collect(),
+            disabled: value.disabled,
+        }
+    }
+}
+
+pub struct MintMethodSettings {
+    pub method: String,
+    pub unit: String,
+    pub min_amount: Option<u64>,
+    pub max_amount: Option<u64>,
+}
+
+impl From<nut04::MintMethodSettings> for MintMethodSettings {
+    fn from(value: nut04::MintMethodSettings) -> Self {
+        Self {
+            method: value.method.to_string(),
+            unit: value.unit.to_string(),
+            min_amount: value.min_amount.map(|v| v.into()),
+            max_amount: value.max_amount.map(|v| v.into()),
+        }
+    }
+}
+
+pub struct Nut05Settings {
+    pub methods: Vec<MeltMethodSettings>,
+    pub disabled: bool,
+}
+
+impl From<nut05::Settings> for Nut05Settings {
+    fn from(value: nut05::Settings) -> Self {
+        Self {
+            methods: value.methods.into_iter().map(|m| m.into()).collect(),
+            disabled: value.disabled,
+        }
+    }
+}
+
+pub struct MeltMethodSettings {
+    pub method: String,
+    pub unit: String,
+    pub min_amount: Option<u64>,
+    pub max_amount: Option<u64>,
+}
+
+impl From<nut05::MeltMethodSettings> for MeltMethodSettings {
+    fn from(value: nut05::MeltMethodSettings) -> Self {
+        Self {
+            method: value.method.to_string(),
+            unit: value.unit.to_string(),
+            min_amount: value.min_amount.map(|v| v.into()),
+            max_amount: value.max_amount.map(|v| v.into()),
+        }
+    }
+}
+
+// === API functions ===
+
+/// Fetch full mint info from a mint URL
+pub async fn get_mint_info(mint_url: &str) -> Result<MintInfo, Error> {
+    let mint_url = MintUrl::from_str(mint_url)?;
+    let client = HttpClient::new(mint_url, None);
+    Ok(client.get_mint_info().await?.into())
+}
+
+/// Ping a mint to check if it's reachable (replaces Dart HTTP call)
+pub async fn ping_mint(mint_url: &str) -> Result<bool, Error> {
+    let url = format!("{}/v1/info", mint_url.trim_end_matches('/'));
+    let resp = reqwest::Client::new()
+        .get(&url)
+        .timeout(std::time::Duration::from_secs(3))
+        .send()
+        .await;
+    match resp {
+        Ok(r) => Ok(r.status().is_success()),
+        Err(_) => Ok(false),
+    }
+}
+
+/// Keyset info returned by fetch_keysets
+pub struct KeysetInfo {
+    pub id: String,
+    pub unit: String,
+    pub active: bool,
+}
+
+/// Fetch keysets from a mint (replaces Dart HTTP call)
+pub async fn fetch_keysets(mint_url: &str) -> Result<Vec<KeysetInfo>, Error> {
+    let url = format!("{}/v1/keysets", mint_url.trim_end_matches('/'));
+    let resp = reqwest::Client::new()
+        .get(&url)
+        .timeout(std::time::Duration::from_secs(5))
+        .send()
+        .await?
+        .text()
+        .await?;
+
+    let data: serde_json::Value = serde_json::from_str(&resp)?;
+    let keysets = data["keysets"]
+        .as_array()
+        .ok_or(Error::InvalidInput)?
+        .iter()
+        .filter_map(|ks| {
+            Some(KeysetInfo {
+                id: ks["id"].as_str()?.to_string(),
+                unit: ks["unit"].as_str()?.to_string(),
+                active: ks["active"].as_bool().unwrap_or(false),
+            })
+        })
+        .collect();
+    Ok(keysets)
+}

rust/src/api/mod.rs

@@ -0,0 +1,6 @@
+pub mod error;
+pub mod keys;
+pub mod mint_info;
+pub mod payment_request;
+pub mod token;
+pub mod wallet;

rust/src/api/payment_request.rs

@@ -0,0 +1,590 @@
+use std::str::FromStr;
+
+use cdk::{
+    amount::Amount,
+    mint_url::MintUrl,
+    nuts::{
+        CurrencyUnit, PaymentRequest as CdkPaymentRequest, Transport, TransportType,
+    },
+    wallet::ReceiveOptions as CdkReceiveOptions,
+};
+use flutter_rust_bridge::frb;
+use nostr_sdk::{
+    nips::nip19::{Nip19Profile, ToBech32},
+    Keys as NostrKeys, PublicKey, RelayUrl,
+};
+
+use crate::frb_generated::StreamSink;
+
+use super::{error::Error, wallet::Wallet};
+
+// ========================================================================
+// Payment Request parsing (NUT-18 creqA + NUT-26 creqB)
+// ========================================================================
+
+/// Parsed payment request info exposed to Flutter.
+/// CDK's FromStr auto-detects creqA (CBOR) vs creqB (Bech32m).
+pub struct PaymentRequestInfo {
+    /// Raw encoded string (creqA... or CREQB1...)
+    pub raw: String,
+    /// Payment id
+    pub payment_id: Option<String>,
+    /// Requested amount (in base unit)
+    pub amount: Option<u64>,
+    /// Currency unit ("sat", "usd", etc.)
+    pub unit: Option<String>,
+    /// Whether this is a single-use request
+    pub single_use: Option<bool>,
+    /// Accepted mints (empty = any mint)
+    pub mints: Vec<String>,
+    /// Human-readable description
+    pub description: Option<String>,
+    /// Available transports
+    pub transports: Vec<TransportInfo>,
+    /// Whether NUT-10 spending conditions are required
+    pub has_nut10: bool,
+}
+
+/// Transport info exposed to Flutter
+pub struct TransportInfo {
+    /// "nostr" or "post"
+    pub transport_type: String,
+    /// Target (nprofile or URL)
+    pub target: String,
+}
+
+impl PaymentRequestInfo {
+    /// Parse a payment request string (creqA, CREQB1, or bitcoin:?creq=).
+    /// Supports NUT-18 (CBOR+base64) and NUT-26 (Bech32m) automatically.
+    #[frb(sync)]
+    pub fn parse(encoded: String) -> Result<PaymentRequestInfo, Error> {
+        parse_payment_request_inner(encoded)
+    }
+}
+
+/// Inner parsing logic, outside of frb macro scope to avoid iterator issues.
+fn parse_payment_request_inner(encoded: String) -> Result<PaymentRequestInfo, Error> {
+    let creq_str = extract_creq_from_uri(&encoded).unwrap_or(encoded);
+
+    let pr = CdkPaymentRequest::from_str(&creq_str)
+        .map_err(|e| Error::Cdk(format!("Invalid payment request: {e}")))?;
+
+    let mints: Vec<String> = match &pr.mints {
+        Some(list) => {
+            let mut v = Vec::new();
+            for m in list {
+                v.push(format!("{}", m));
+            }
+            v
+        }
+        None => Vec::new(),
+    };
+    let mut transports = Vec::new();
+    for t in &pr.transports {
+        transports.push(TransportInfo {
+            transport_type: match t._type {
+                TransportType::Nostr => "nostr".into(),
+                TransportType::HttpPost => "post".into(),
+            },
+            target: t.target.clone(),
+        });
+    }
+    let has_nut10 = pr.nut10.is_some();
+
+    Ok(PaymentRequestInfo {
+        raw: creq_str,
+        payment_id: pr.payment_id,
+        amount: pr.amount.map(|a| a.into()),
+        unit: pr.unit.map(|u| format!("{}", u)),
+        single_use: pr.single_use,
+        mints,
+        description: pr.description,
+        transports,
+        has_nut10,
+    })
+}
+
+/// Extract creq parameter from a BIP-321 bitcoin: URI.
+/// e.g. "bitcoin:?creq=CREQB1...&lightning=lnbc..." → "CREQB1..."
+/// Handles percent-encoding and case-insensitive key matching.
+fn extract_creq_from_uri(input: &str) -> Option<String> {
+    if !input
+        .get(..8)
+        .is_some_and(|scheme| scheme.eq_ignore_ascii_case("bitcoin:"))
+    {
+        return None;
+    }
+    let query = input.split_once('?')?.1;
+    for param in query.split('&') {
+        let (key, value) = param.split_once('=')?;
+        if key.eq_ignore_ascii_case("creq") {
+            return Some(percent_decode(value));
+        }
+    }
+    None
+}
+
+/// Simple percent-decoding for URI query values.
+fn percent_decode(value: &str) -> String {
+    let bytes = value.as_bytes();
+    let mut out = Vec::with_capacity(bytes.len());
+    let mut i = 0;
+    while i < bytes.len() {
+        if bytes[i] == b'%' && i + 2 < bytes.len() {
+            if let Ok(byte) = u8::from_str_radix(
+                std::str::from_utf8(&bytes[i + 1..i + 3]).unwrap_or(""),
+                16,
+            ) {
+                out.push(byte);
+                i += 3;
+                continue;
+            }
+        }
+        out.push(bytes[i]);
+        i += 1;
+    }
+    String::from_utf8(out).unwrap_or_else(|_| value.to_string())
+}
+
+// ========================================================================
+// Payment execution (payer side)
+// ========================================================================
+
+impl Wallet {
+    /// Pay a NUT-18 payment request.
+    /// Uses CDK's pay_request() which handles:
+    /// - NUT-10 spending conditions
+    /// - Transport selection (Nostr preferred, HTTP POST fallback)
+    /// - Token preparation and delivery
+    pub async fn pay_payment_request(
+        &self,
+        encoded: String,
+        custom_amount: Option<u64>,
+    ) -> Result<(), Error> {
+        let creq_str = extract_creq_from_uri(&encoded).unwrap_or(encoded);
+
+        let pr = CdkPaymentRequest::from_str(&creq_str)
+            .map_err(|e| Error::Cdk(format!("Invalid payment request: {e}")))?;
+
+        self.inner
+            .pay_request(pr, custom_amount.map(Amount::from))
+            .await?;
+
+        self.update_balance_streams().await;
+        Ok(())
+    }
+}
+
+// ========================================================================
+// Payment Request creation (payee/receiver side) — NUT-18/26
+// ========================================================================
+
+/// Parameters for creating a payment request.
+pub struct CreateRequestParams {
+    /// Amount to request (in smallest unit, e.g. sats)
+    pub amount: Option<u64>,
+    /// Currency unit ("sat", "usd", etc.)
+    pub unit: String,
+    /// Human-readable description
+    pub description: Option<String>,
+    /// Nostr relay URLs for the transport
+    pub nostr_relays: Vec<String>,
+}
+
+/// Result of creating a payment request.
+pub struct CreatedPaymentRequest {
+    /// NUT-18 encoding: creqA... (CBOR+base64url)
+    pub creq_a: String,
+    /// NUT-26 encoding: CREQB1... (Bech32m, uppercase for QR)
+    pub creq_b: String,
+    /// Opaque handle holding the ephemeral Nostr keys — pass to wait_for_nostr_payment().
+    /// The secret key never leaves Rust.
+    pub listener_handle: NostrListenerHandle,
+}
+
+/// Opaque handle that keeps Nostr ephemeral keys in Rust memory.
+/// Dart receives this as an opaque reference and passes it back
+/// to wait_for_nostr_payment() without ever seeing the secret key.
+/// Also carries the expected payment parameters for validation.
+#[derive(Clone)]
+pub struct NostrListenerHandle {
+    keys: NostrKeys,
+    pubkey: PublicKey,
+    relays: Vec<String>,
+    /// Expected amount (None = any amount accepted)
+    expected_amount: Option<Amount>,
+    /// Expected currency unit
+    expected_unit: CurrencyUnit,
+    /// This wallet's mint URL
+    mint_url: MintUrl,
+}
+
+/// Serializable data for persisting a NostrListenerHandle across app restarts.
+pub struct PersistedRequestData {
+    pub secret_hex: String,
+    pub pubkey_hex: String,
+    pub relays: Vec<String>,
+    pub amount: Option<u64>,
+    pub unit: String,
+    pub mint_url: String,
+}
+
+impl NostrListenerHandle {
+    /// Export handle data for persistence (e.g. SharedPreferences).
+    /// The secret key is exposed as hex — the caller is responsible
+    /// for storing it securely.
+    #[frb(sync)]
+    pub fn to_persisted(&self) -> PersistedRequestData {
+        PersistedRequestData {
+            secret_hex: self.keys.secret_key().to_secret_hex(),
+            pubkey_hex: self.pubkey.to_hex(),
+            relays: self.relays.clone(),
+            amount: self.expected_amount.map(|a| a.into()),
+            unit: self.expected_unit.to_string(),
+            mint_url: self.mint_url.to_string(),
+        }
+    }
+
+    /// Reconstruct a handle from persisted data (e.g. after app restart).
+    #[frb(sync)]
+    pub fn from_persisted(data: PersistedRequestData) -> Result<NostrListenerHandle, Error> {
+        let secret_key = nostr_sdk::SecretKey::from_hex(&data.secret_hex)
+            .map_err(|e| Error::Cdk(format!("Invalid persisted secret key: {e}")))?;
+        let keys = NostrKeys::new(secret_key);
+        // Derive pubkey from secret — don't trust the persisted copy
+        let pubkey = keys.public_key;
+        let unit = CurrencyUnit::from_str(&data.unit)
+            .unwrap_or(CurrencyUnit::Custom(data.unit));
+        let mint_url = MintUrl::from_str(&data.mint_url)
+            .map_err(|e| Error::Cdk(format!("Invalid persisted mint URL: {e}")))?;
+
+        Ok(NostrListenerHandle {
+            keys,
+            pubkey,
+            relays: data.relays,
+            expected_amount: data.amount.map(Amount::from),
+            expected_unit: unit,
+            mint_url,
+        })
+    }
+}
+
+/// State of a Nostr payment listener.
+pub enum NostrPaymentState {
+    /// Connected to relays, waiting for payment
+    Waiting,
+    /// Payment received and tokens claimed
+    Received,
+    /// Error occurred
+    Error,
+}
+
+/// Event emitted by the Nostr payment listener.
+pub struct NostrPaymentEvent {
+    pub state: NostrPaymentState,
+    pub amount: Option<u64>,
+    pub error: Option<String>,
+}
+
+impl Wallet {
+    /// Create a NUT-18 payment request with Nostr transport.
+    ///
+    /// Builds a PaymentRequest with the wallet's mint URL and unit,
+    /// generates ephemeral Nostr keys, and returns both creqA and creqB
+    /// encodings plus the keys needed for the Nostr listener.
+    pub async fn create_payment_request(
+        &self,
+        params: CreateRequestParams,
+    ) -> Result<CreatedPaymentRequest, Error> {
+        // Generate ephemeral Nostr keys for this request
+        let keys = NostrKeys::generate();
+
+        // Parse relay URLs for nprofile
+        if params.nostr_relays.is_empty() {
+            return Err(Error::InvalidInput);
+        }
+
+        let relay_urls: Vec<RelayUrl> = params
+            .nostr_relays
+            .iter()
+            .map(|r| RelayUrl::parse(r))
+            .collect::<Result<Vec<_>, _>>()
+            .map_err(|e| Error::Cdk(format!("Invalid relay URL: {e}")))?;
+
+        let nprofile = Nip19Profile::new(keys.public_key, relay_urls);
+        let nprofile_bech32 = nprofile
+            .to_bech32()
+            .map_err(|e| Error::Cdk(format!("nprofile encoding failed: {e}")))?;
+
+        // Build the Nostr transport
+        let nostr_transport = Transport {
+            _type: TransportType::Nostr,
+            target: nprofile_bech32,
+            tags: Some(vec![vec!["n".to_string(), "17".to_string()]]),
+        };
+
+        // Build the PaymentRequest with this wallet's mint and unit
+        let mint_url = self.mint_url()?;
+        if params.unit != self.unit {
+            return Err(Error::InvalidInput);
+        }
+        let unit = CurrencyUnit::from_str(&self.unit)
+            .unwrap_or(CurrencyUnit::Custom(self.unit.clone()));
+
+        let pr = CdkPaymentRequest {
+            payment_id: None,
+            amount: params.amount.map(Amount::from),
+            unit: Some(unit.clone()),
+            single_use: Some(true),
+            mints: Some(vec![mint_url.clone()]),
+            description: params.description,
+            transports: vec![nostr_transport],
+            nut10: None,
+        };
+
+        // Encode both formats
+        let creq_a = pr.to_string(); // NUT-18: creqA...
+        let creq_b = pr
+            .to_bech32_string()
+            .map_err(|e| Error::Cdk(format!("Bech32m encoding failed: {e}")))?;
+
+        let pubkey = keys.public_key;
+        Ok(CreatedPaymentRequest {
+            creq_a,
+            creq_b,
+            listener_handle: NostrListenerHandle {
+                keys,
+                pubkey,
+                relays: params.nostr_relays,
+                expected_amount: params.amount.map(Amount::from),
+                expected_unit: unit,
+                mint_url,
+            },
+        })
+    }
+
+    /// Wait for an incoming Nostr payment (NIP-17 gift-wrap).
+    ///
+    /// Takes the opaque NostrListenerHandle returned by create_payment_request().
+    /// The secret key never leaves Rust memory.
+    pub async fn wait_for_nostr_payment(
+        &self,
+        handle: NostrListenerHandle,
+        sink: StreamSink<NostrPaymentEvent>,
+    ) -> Result<(), Error> {
+        let NostrListenerHandle {
+            keys,
+            pubkey,
+            relays,
+            expected_amount,
+            expected_unit,
+            mint_url,
+        } = handle;
+
+        // Fail fast if the handle was created for a different wallet
+        let current_mint = self.mint_url()?;
+        let current_unit = CurrencyUnit::from_str(&self.unit)
+            .unwrap_or(CurrencyUnit::Custom(self.unit.clone()));
+        if mint_url != current_mint || expected_unit != current_unit {
+            return Err(Error::InvalidInput);
+        }
+
+        if sink
+            .add(NostrPaymentEvent {
+                state: NostrPaymentState::Waiting,
+                amount: None,
+                error: None,
+            })
+            .is_err()
+        {
+            return Ok(());
+        }
+
+        let _self = self.clone();
+        flutter_rust_bridge::spawn(async move {
+            match wait_for_nostr_payment_inner(
+                &_self, keys, pubkey, relays, expected_amount, expected_unit, mint_url, &sink,
+            )
+            .await
+            {
+                Ok(amount) => {
+                    let _ = sink.add(NostrPaymentEvent {
+                        state: NostrPaymentState::Received,
+                        amount: Some(amount.into()),
+                        error: None,
+                    });
+                    _self.update_balance_streams().await;
+                }
+                Err(e) => {
+                    let _ = sink.add(NostrPaymentEvent {
+                        state: NostrPaymentState::Error,
+                        amount: None,
+                        error: Some(e.to_string()),
+                    });
+                }
+            }
+        });
+
+        Ok(())
+    }
+}
+
+/// Internal: connect to relays, listen for gift-wrapped payment, receive tokens.
+/// Validates incoming payments against expected amount/unit/mint before accepting.
+/// Periodically checks if the Dart stream is still alive and disconnects if not.
+#[allow(clippy::too_many_arguments)]
+async fn wait_for_nostr_payment_inner(
+    wallet: &Wallet,
+    keys: NostrKeys,
+    pubkey: PublicKey,
+    relays: Vec<String>,
+    expected_amount: Option<Amount>,
+    expected_unit: CurrencyUnit,
+    expected_mint: MintUrl,
+    sink: &StreamSink<NostrPaymentEvent>,
+) -> Result<Amount, Error> {
+    use cdk::nuts::{nut00::ProofsMethods, PaymentRequestPayload, Token as CdkToken};
+    use nostr_sdk::{Client, Filter, Kind};
+    use std::time::Duration;
+
+    // Create Nostr client with ephemeral keys
+    let client = Client::new(keys.clone());
+    for relay in &relays {
+        client
+            .add_read_relay(relay)
+            .await
+            .map_err(|e| Error::Cdk(format!("Failed to add relay {relay}: {e}")))?;
+    }
+
+    // Connect with timeout so we fail fast if relays are unreachable
+    tokio::time::timeout(Duration::from_secs(10), client.connect())
+        .await
+        .map_err(|_| Error::Network("Relay connection timed out".to_string()))?;
+
+    // Create the broadcast receiver BEFORE subscribing so we capture historical
+    // events the relay sends back in response to our subscription filter.
+    // (broadcast::Receiver only sees messages sent after its creation)
+    let mut notifications = client.notifications();
+
+    // Subscribe to NIP-17 gift-wrap events (kind 1059) addressed to our ephemeral pubkey
+    let filter = Filter::new().pubkey(pubkey).kind(Kind::GiftWrap);
+    client
+        .subscribe(filter, None)
+        .await
+        .map_err(|e| Error::Cdk(format!("Subscription failed: {e}")))?;
+    loop {
+        match tokio::time::timeout(Duration::from_secs(1), notifications.recv()).await {
+            Ok(Ok(notification)) => {
+                // Check sink is alive before processing
+                if sink
+                    .add(NostrPaymentEvent {
+                        state: NostrPaymentState::Waiting,
+                        amount: None,
+                        error: None,
+                    })
+                    .is_err()
+                {
+                    client.disconnect().await;
+                    return Err(Error::Network("Listener cancelled by client".to_string()));
+                }
+
+                if let nostr_sdk::RelayPoolNotification::Event { event, .. } = notification {
+                    // Try to unwrap NIP-17 gift-wrap
+                    let unwrapped = match client.unwrap_gift_wrap(&event).await {
+                        Ok(rumor) => rumor,
+                        Err(_) => continue,
+                    };
+
+                    // Parse PaymentRequestPayload from the rumor content
+                    let payload: PaymentRequestPayload =
+                        match serde_json::from_str(&unwrapped.rumor.content) {
+                            Ok(p) => p,
+                            Err(_) => continue,
+                        };
+
+                    // Validate unit matches
+                    if payload.unit != expected_unit {
+                        log::warn!(
+                            "Ignoring payment: unit mismatch (expected {}, got {})",
+                            expected_unit,
+                            payload.unit
+                        );
+                        continue;
+                    }
+
+                    // Validate mint matches
+                    if payload.mint != expected_mint {
+                        log::warn!(
+                            "Ignoring payment: mint mismatch (expected {}, got {})",
+                            expected_mint,
+                            payload.mint
+                        );
+                        continue;
+                    }
+
+                    // Validate amount if a specific amount was requested
+                    if let Some(expected) = expected_amount {
+                        let received_amount = payload.proofs.total_amount().unwrap_or_default();
+                        if received_amount < expected {
+                            log::warn!(
+                                "Ignoring payment: underpayment (expected {}, got {})",
+                                expected,
+                                received_amount
+                            );
+                            continue;
+                        }
+                    }
+
+                    // Build a token from the validated payload and receive it
+                    let token = CdkToken::new(
+                        payload.mint,
+                        payload.proofs,
+                        payload.memo,
+                        payload.unit,
+                    );
+                    let token_str = token.to_string();
+
+                    // Continue listening on receive errors (e.g. already-spent proofs)
+                    match wallet
+                        .inner
+                        .receive(&token_str, CdkReceiveOptions::default())
+                        .await
+                    {
+                        Ok(received) => {
+                            client.disconnect().await;
+                            return Ok(received);
+                        }
+                        Err(e) => {
+                            log::warn!("Failed to receive token, continuing: {e}");
+                            continue;
+                        }
+                    }
+                }
+            }
+            Ok(Err(_)) => {
+                // Notification channel closed
+                break;
+            }
+            Err(_) => {
+                // Timeout — check if the Dart stream is still alive
+                if sink
+                    .add(NostrPaymentEvent {
+                        state: NostrPaymentState::Waiting,
+                        amount: None,
+                        error: None,
+                    })
+                    .is_err()
+                {
+                    // Dart side cancelled the stream, clean up
+                    client.disconnect().await;
+                    return Err(Error::Network("Listener cancelled by client".to_string()));
+                }
+            }
+        }
+    }
+
+    client.disconnect().await;
+    Err(Error::Network(
+        "Nostr listener ended before a payment was received".to_string(),
+    ))
+}

rust/src/api/token.rs

@@ -0,0 +1,185 @@
+use std::{
+    str::FromStr,
+    sync::{Arc, RwLock},
+};
+
+use bc_ur::{prelude::CBOR, MultipartDecoder, MultipartEncoder, UR};
+use cdk::{
+    mint_url::MintUrl,
+    nuts::{CurrencyUnit, Proof, Token as CdkToken},
+};
+use cdk_common::{KeySetInfo, Proofs};
+use flutter_rust_bridge::frb;
+
+use super::error::Error;
+
+pub struct Token {
+    pub encoded: String,
+    pub raw: Option<Vec<u8>>,
+    pub amount: u64,
+    pub mint_url: String,
+}
+
+impl Token {
+    #[frb(sync)]
+    pub fn parse(encoded: &str) -> Result<Self, Error> {
+        let encoded = encoded.strip_prefix("cashu:").unwrap_or(encoded);
+        let token = CdkToken::from_str(encoded)?;
+        Token::try_from(token)
+    }
+
+    #[frb(sync)]
+    pub fn from_raw_bytes(raw: Vec<u8>) -> Result<Self, Error> {
+        let token = CdkToken::try_from(&raw)?;
+        Token::try_from(token)
+    }
+
+    pub(crate) fn proofs(&self, mint_keysets: &[KeySetInfo]) -> Result<Proofs, Error> {
+        let token: CdkToken = self.try_into()?;
+        Ok(token.proofs(mint_keysets)?)
+    }
+}
+
+impl std::fmt::Display for Token {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.encoded)
+    }
+}
+
+impl FromStr for Token {
+    type Err = Error;
+
+    fn from_str(s: &str) -> Result<Self, Error> {
+        Token::parse(s)
+    }
+}
+
+impl TryFrom<CdkToken> for Token {
+    type Error = Error;
+
+    fn try_from(token: CdkToken) -> Result<Self, Error> {
+        match token {
+            CdkToken::TokenV3(token_v3) => Ok(Token {
+                encoded: token_v3.to_string(),
+                raw: None,
+                amount: token_v3.value()?.into(),
+                mint_url: token_v3
+                    .mint_urls()
+                    .first()
+                    .ok_or(Error::InvalidInput)?
+                    .to_string(),
+            }),
+            CdkToken::TokenV4(token_v4) => Ok(Token {
+                encoded: token_v4.to_string(),
+                raw: Some(token_v4.to_raw_bytes()?),
+                amount: token_v4.value()?.into(),
+                mint_url: token_v4.mint_url.to_string(),
+            }),
+        }
+    }
+}
+
+impl TryInto<CdkToken> for Token {
+    type Error = Error;
+
+    fn try_into(self) -> Result<CdkToken, Error> {
+        Ok(CdkToken::from_str(&self.encoded)?)
+    }
+}
+
+impl TryInto<CdkToken> for &Token {
+    type Error = Error;
+
+    fn try_into(self) -> Result<CdkToken, Error> {
+        Ok(CdkToken::from_str(&self.encoded)?)
+    }
+}
+
+// === Offline token creation ===
+
+/// Create a token from raw proof data without network access.
+/// Uses CDK's CdkToken::new to produce a valid V4 (cashuB) token.
+/// `proofs_json` is a JSON array of proofs: [{"id":"...","amount":1,"secret":"...","C":"..."}, ...]
+#[frb(sync)]
+pub fn create_offline_token(
+    mint_url: &str,
+    proofs_json: &str,
+    memo: Option<String>,
+    unit: Option<String>,
+) -> Result<Token, Error> {
+    let mint_url = MintUrl::from_str(mint_url)?;
+    let unit = unit
+        .map(|u| CurrencyUnit::from_str(&u).unwrap_or(CurrencyUnit::Custom(u)))
+        .unwrap_or(CurrencyUnit::Sat);
+    let proofs: Vec<Proof> = serde_json::from_str(proofs_json)?;
+    let token = CdkToken::new(mint_url, proofs, memo, unit);
+    Token::try_from(token)
+}
+
+// === QR Multiframe (bc-ur) ===
+
+pub struct TokenDecoder {
+    decoder: Arc<RwLock<MultipartDecoder>>,
+}
+
+impl TokenDecoder {
+    #[frb(sync)]
+    pub fn new() -> Self {
+        Self {
+            decoder: Arc::new(RwLock::new(MultipartDecoder::default())),
+        }
+    }
+
+    #[frb(sync)]
+    pub fn is_complete(&self) -> bool {
+        self.decoder
+            .read()
+            .map(|decoder| decoder.is_complete())
+            .unwrap_or(false)
+    }
+
+    #[frb(sync)]
+    pub fn receive(&self, input: String) -> Result<(), Error> {
+        let mut decoder = self
+            .decoder
+            .write()
+            .map_err(|_| Error::Ur("Token decoder lock poisoned".to_string()))?;
+        decoder.receive(&input)?;
+        Ok(())
+    }
+
+    #[frb(sync)]
+    pub fn value(&self) -> Result<Option<Token>, Error> {
+        let decoder = self
+            .decoder
+            .read()
+            .map_err(|_| Error::Ur("Token decoder lock poisoned".to_string()))?;
+        let ur = decoder.message()?;
+        match ur {
+            Some(ur) => {
+                let bytes = ur
+                    .cbor()
+                    .try_byte_string()
+                    .map_err(|e| Error::Ur(format!("Failed to decode CBOR byte string: {}", e)))?;
+                let utf8_encoded = String::from_utf8(bytes)?;
+                let token = Token::from_str(&utf8_encoded)?;
+                Ok(Some(token))
+            }
+            None => Ok(None),
+        }
+    }
+}
+
+#[frb(sync)]
+pub fn encode_qr_token(
+    token: &Token,
+    max_fragment_length: Option<usize>,
+) -> Result<Vec<String>, Error> {
+    let ur = UR::new("", CBOR::to_byte_string(&token.encoded))?;
+    let mut encoder = MultipartEncoder::new(&ur, max_fragment_length.unwrap_or(150))?;
+    let mut parts = Vec::new();
+    for _ in 0..encoder.parts_count() {
+        parts.push(encoder.next_part()?);
+    }
+    Ok(parts)
+}

rust/src/api/wallet.rs

@@ -0,0 +1,822 @@
+use std::{collections::HashMap, str::FromStr, sync::Arc, time::Duration};
+
+use bip39::Mnemonic;
+use cdk::{
+    amount::{Amount, SplitTarget},
+    cdk_database::WalletDatabase as _,
+    mint_url::MintUrl,
+    nuts::{
+        nut00::ProofsMethods, CurrencyUnit, MintQuoteState as CdkMintQuoteState, PaymentMethod,
+        PublicKey, SecretKey, SpendingConditions, State as ProofState, Token as CdkToken,
+    },
+    wallet::{
+        MeltQuote as CdkMeltQuote, MintQuote as CdkMintQuote, PreparedSend as CdkPreparedSend,
+        ReceiveOptions as CdkReceiveOptions, SendMemo, SendOptions as CdkSendOptions,
+        Wallet as CdkWallet, WalletSubscription,
+    },
+};
+use cdk_common::{
+    util::unix_time,
+    wallet::{
+        Transaction as CdkTransaction, TransactionDirection as CdkTransactionDirection,
+        TransactionId,
+    },
+    NotificationPayload,
+};
+use cdk_sqlite::WalletSqliteDatabase;
+use flutter_rust_bridge::frb;
+use log::info;
+use tokio::sync::broadcast;
+use uuid::Uuid;
+
+use crate::frb_generated::StreamSink;
+
+use super::{
+    error::Error,
+    mint_info::MintInfo,
+    token::Token,
+};
+
+// ========================================================================
+// Wallet
+// ========================================================================
+
+#[derive(Clone)]
+pub struct Wallet {
+    pub mint_url: String,
+    pub unit: String,
+
+    balance_broadcast: broadcast::Sender<u64>,
+    pub(crate) inner: CdkWallet,
+    seed: [u8; 64],
+}
+
+impl Wallet {
+    #[frb(sync)]
+    pub fn new(
+        mint_url: String,
+        unit: String,
+        mnemonic: String,
+        target_proof_count: Option<usize>,
+        db: &WalletDatabase,
+    ) -> Result<Self, Error> {
+        let mnemonic = Mnemonic::parse(&mnemonic).map_err(|_| Error::InvalidInput)?;
+        let seed: [u8; 64] = mnemonic.to_seed("").into();
+        let unit = CurrencyUnit::from_str(&unit).unwrap_or(CurrencyUnit::Custom(unit.to_string()));
+        Ok(Self {
+            mint_url: mint_url.clone(),
+            unit: unit.to_string(),
+            balance_broadcast: broadcast::channel(1).0,
+            inner: CdkWallet::new(
+                &mint_url,
+                unit,
+                db.inner.clone(),
+                seed,
+                target_proof_count,
+            )?,
+            seed,
+        })
+    }
+
+    // === Balance ===
+
+    pub async fn balance(&self) -> Result<u64, Error> {
+        Ok(self.inner.total_balance().await?.into())
+    }
+
+    pub async fn stream_balance(&self, sink: StreamSink<u64>) -> Result<(), Error> {
+        let mut receiver = self.balance_broadcast.subscribe();
+        let _ = sink.add(self.balance().await?);
+        flutter_rust_bridge::spawn(async move {
+            loop {
+                match receiver.recv().await {
+                    Ok(balance) => {
+                        if sink.add(balance).is_err() {
+                            break;
+                        }
+                    }
+                    Err(_) => break,
+                }
+            }
+        });
+        Ok(())
+    }
+
+    // === Receive ===
+
+    pub async fn receive(&self, token: Token, opts: Option<ReceiveOptions>) -> Result<u64, Error> {
+        let amount = self
+            .inner
+            .receive(&token.encoded, opts.unwrap_or_default().try_into()?)
+            .await?
+            .into();
+        self.update_balance_streams().await;
+        Ok(amount)
+    }
+
+    // === Send ===
+
+    pub async fn prepare_send(
+        &self,
+        amount: u64,
+        opts: Option<SendOptions>,
+    ) -> Result<PreparedSend, Error> {
+        let prepared_send = self
+            .inner
+            .prepare_send(amount.into(), opts.unwrap_or_default().try_into()?)
+            .await?;
+        Ok(prepared_send.into())
+    }
+
+    pub async fn send(
+        &self,
+        send: PreparedSend,
+        memo: Option<String>,
+        include_memo: Option<bool>,
+    ) -> Result<SendResult, Error> {
+        let send_memo = memo.map(|m| SendMemo {
+            memo: m,
+            include_memo: include_memo.unwrap_or_default(),
+        });
+        let cdk_token = self
+            .inner
+            .confirm_send(
+                send.operation_id,
+                send.cdk_amount,
+                send.cdk_options,
+                send.proofs_to_swap,
+                send.proofs_to_send,
+                send.cdk_swap_fee,
+                send.cdk_send_fee,
+                send_memo,
+            )
+            .await?;
+
+        // Compute the deterministic transaction ID from the token's proofs
+        // (SHA-256 of sorted Y values — same as CDK uses internally)
+        // Best-effort: send is already committed, don't fail on ID computation
+        let tx_id = match self.inner.get_mint_keysets().await {
+            Ok(keysets) => match cdk_token.proofs(&keysets) {
+                Ok(proofs) => TransactionId::try_from(proofs)
+                    .map(|id| id.to_string())
+                    .map_err(|e| info!("Failed to compute tx ID from proofs: {e}"))
+                    .ok(),
+                Err(e) => {
+                    info!("Failed to extract proofs from token: {e}");
+                    None
+                }
+            },
+            Err(e) => {
+                info!("Failed to fetch keysets for tx ID: {e}");
+                None
+            }
+        };
+
+        let token_str = cdk_token.to_string();
+        self.update_balance_streams().await;
+
+        Ok(SendResult {
+            token: Token::from_str(&token_str)?,
+            transaction_id: tx_id,
+        })
+    }
+
+    pub async fn cancel_send(&self, send: PreparedSend) -> Result<(), Error> {
+        self.inner
+            .cancel_send(
+                send.operation_id,
+                send.proofs_to_swap,
+                send.proofs_to_send,
+            )
+            .await?;
+        Ok(())
+    }
+
+    // === Lightning Deposit (NUT-04) ===
+
+    pub async fn mint(
+        &self,
+        amount: u64,
+        description: Option<String>,
+        sink: StreamSink<MintQuote>,
+    ) -> Result<(), Error> {
+        let mint_url = self.mint_url()?;
+        let unit = self.unit();
+        let quote = self
+            .inner
+            .mint_quote(PaymentMethod::BOLT11, Some(amount.into()), description, None)
+            .await?;
+
+        if sink.add(MintQuote::from(quote.clone())).is_err() {
+            return Ok(());
+        }
+
+        // Try WebSocket (NUT-17) subscription — if unavailable, HTTP polling still works
+        let subscription = match self
+            .inner
+            .subscribe(WalletSubscription::Bolt11MintQuoteState(vec![quote.id.clone()]))
+            .await
+        {
+            Ok(sub) => Some(sub),
+            Err(e) => {
+                info!(
+                    "Mint quote {}: WebSocket unavailable, using HTTP polling only: {e}",
+                    quote.id
+                );
+                None
+            }
+        };
+
+        let _self = self.clone();
+        flutter_rust_bridge::spawn(async move {
+            // Timeout: time until quote expires + 30s buffer, or 1 hour if no expiry
+            let remaining = quote.expiry.saturating_sub(unix_time());
+            let timeout_dur = if quote.expiry == 0 {
+                Duration::from_secs(3600)
+            } else {
+                Duration::from_secs(remaining + 30)
+            };
+
+            // Clone for the timeout error path (originals are moved into the async block)
+            let expired_id = quote.id.clone();
+            let expired_request = quote.request.clone();
+            let expired_amount = quote.amount;
+            let expired_expiry = quote.expiry;
+
+            // Detect payment via two parallel paths:
+            // - Path A: WebSocket (NUT-17) — fast when it works (sats on most mints)
+            // - Path B: HTTP polling every 5s — fallback for mints that don't send
+            //   WebSocket notifications for all units (e.g. Nutshell 0.20.0 + USD)
+            // First one to detect payment wins.
+            let quote_id_for_poll = quote.id.clone();
+            let poll_wallet = _self.clone();
+
+            // Timeout only covers detection, not minting.
+            // If payment is detected near expiry, mint() must still complete.
+            enum Detected {
+                Paid,
+                Issued,
+            }
+
+            let mut subscription = subscription;
+            let detected = tokio::time::timeout(timeout_dur, async {
+                tokio::select! {
+                    // Path A: WebSocket subscription (skipped if unavailable)
+                    result = async {
+                        let Some(ref mut sub) = subscription else {
+                            return std::future::pending::<Detected>().await;
+                        };
+                        while let Some(event) = sub.recv().await {
+                            match event.into_inner() {
+                                NotificationPayload::MintQuoteBolt11Response(info)
+                                    if info.state == CdkMintQuoteState::Paid =>
+                                {
+                                    info!("Mint quote {} paid via WebSocket", quote.id);
+                                    return Detected::Paid;
+                                }
+                                NotificationPayload::MintQuoteBolt11Response(info)
+                                    if info.state == CdkMintQuoteState::Issued =>
+                                {
+                                    return Detected::Issued;
+                                }
+                                _ => continue,
+                            }
+                        }
+                        std::future::pending::<Detected>().await
+                    } => result,
+
+                    // Path B: HTTP polling fallback
+                    result = async {
+                        loop {
+                            tokio::time::sleep(Duration::from_secs(5)).await;
+                            match poll_wallet.inner.check_mint_quote_status(&quote_id_for_poll).await {
+                                Ok(q) if q.state == CdkMintQuoteState::Paid => {
+                                    info!("Mint quote {} paid via HTTP polling", quote_id_for_poll);
+                                    return Detected::Paid;
+                                }
+                                Ok(q) if q.state == CdkMintQuoteState::Issued => {
+                                    return Detected::Issued;
+                                }
+                                _ => continue,
+                            }
+                        }
+                    } => result,
+                }
+            })
+            .await;
+
+            // Handle detection result — mint logic runs outside the timeout
+            match detected {
+                Err(_) => {
+                    // Timeout: quote expired
+                    let _ = sink.add(MintQuote {
+                        id: expired_id,
+                        request: expired_request,
+                        amount: expired_amount.map(|a| a.into()),
+                        expiry: Some(expired_expiry),
+                        state: MintQuoteState::Error,
+                        token: None,
+                        error: Some("Quote expired".to_string()),
+                        transaction_id: None,
+                    });
+                }
+                Ok(Detected::Paid) => {
+                    // Notify Dart: payment detected
+                    let _ = sink.add(MintQuote {
+                        id: quote.id.clone(),
+                        request: quote.request.clone(),
+                        amount: quote.amount.map(|a| a.into()),
+                        expiry: Some(quote.expiry),
+                        state: CdkMintQuoteState::Paid.into(),
+                        token: None,
+                        error: None,
+                        transaction_id: None,
+                    });
+
+                    // Mint the ecash tokens (outside timeout)
+                    match _self
+                        .inner
+                        .mint(&quote.id, SplitTarget::None, None)
+                        .await
+                    {
+                        Ok(mint_proofs) => {
+                            let tx_id = match TransactionId::try_from(
+                                mint_proofs.clone(),
+                            ) {
+                                Ok(id) => Some(id.to_string()),
+                                Err(e) => {
+                                    info!("Failed to compute mint tx ID: {e}");
+                                    None
+                                }
+                            };
+
+                            let mint_amount =
+                                mint_proofs.total_amount().unwrap_or_default();
+                            let _ = sink.add(MintQuote {
+                                id: quote.id,
+                                request: quote.request,
+                                amount: Some(mint_amount.into()),
+                                expiry: Some(quote.expiry),
+                                state: CdkMintQuoteState::Issued.into(),
+                                token: Token::try_from(CdkToken::new(
+                                    mint_url,
+                                    mint_proofs,
+                                    None,
+                                    unit,
+                                ))
+                                .ok(),
+                                error: None,
+                                transaction_id: tx_id,
+                            });
+                            _self.update_balance_streams().await;
+                        }
+                        Err(e) => {
+                            let _ = sink.add(MintQuote {
+                                id: quote.id,
+                                request: quote.request,
+                                amount: quote.amount.map(|a| a.into()),
+                                expiry: Some(quote.expiry),
+                                state: MintQuoteState::Error,
+                                token: None,
+                                error: Some(e.to_string()),
+                                transaction_id: None,
+                            });
+                        }
+                    }
+                }
+                Ok(Detected::Issued) => {
+                    // Already issued (recovered from previous session)
+                    let _ = sink.add(MintQuote {
+                        id: quote.id.clone(),
+                        request: quote.request.clone(),
+                        amount: quote.amount.map(|a| a.into()),
+                        expiry: Some(quote.expiry),
+                        state: CdkMintQuoteState::Issued.into(),
+                        token: None,
+                        error: None,
+                        transaction_id: None,
+                    });
+                    _self.update_balance_streams().await;
+                }
+            }
+        });
+        Ok(())
+    }
+
+    pub async fn check_all_mint_quotes(&self) -> Result<(), Error> {
+        let minted = self.inner.mint_unissued_quotes().await?;
+        if minted > Amount::ZERO {
+            self.update_balance_streams().await;
+        }
+        Ok(())
+    }
+
+    // === Lightning Withdrawal (NUT-05) ===
+
+    pub async fn melt_quote(&self, request: String) -> Result<MeltQuote, Error> {
+        Ok(self
+            .inner
+            .melt_quote(PaymentMethod::BOLT11, request, None, None)
+            .await?
+            .into())
+    }
+
+    pub async fn melt(&self, quote: MeltQuote) -> Result<u64, Error> {
+        let melted = self
+            .inner
+            .prepare_melt(&quote.id, HashMap::new())
+            .await?
+            .confirm()
+            .await?;
+        self.update_balance_streams().await;
+        Ok(melted.total_amount().into())
+    }
+
+    // === Transactions ===
+
+    pub async fn list_transactions(
+        &self,
+        direction: Option<TransactionDirection>,
+    ) -> Result<Vec<Transaction>, Error> {
+        let pending_ys = self
+            .inner
+            .get_pending_spent_proofs()
+            .await?
+            .into_iter()
+            .map(|p| p.y())
+            .collect::<Result<Vec<_>, _>>()?;
+
+        let cdk_txs = self
+            .inner
+            .list_transactions(direction.map(|d| d.into()))
+            .await?;
+
+        let mut txs = Vec::new();
+        for tx in cdk_txs {
+            let status = if pending_ys.iter().any(|y| tx.ys.contains(y)) {
+                TransactionStatus::Pending
+            } else {
+                TransactionStatus::Settled
+            };
+            let mut transaction: Transaction = tx.into();
+            transaction.status = status;
+            txs.push(transaction);
+        }
+        Ok(txs)
+    }
+
+    pub async fn check_pending_transactions(&self) -> Result<(), Error> {
+        self.inner.check_all_pending_proofs().await?;
+        self.update_balance_streams().await;
+        Ok(())
+    }
+
+    // === Recovery ===
+
+    pub async fn restore(&self) -> Result<(), Error> {
+        self.inner.restore().await?;
+        self.update_balance_streams().await;
+        Ok(())
+    }
+
+    pub async fn recover_incomplete_sagas(&self) -> Result<(), Error> {
+        self.inner.recover_incomplete_sagas().await?;
+        self.update_balance_streams().await;
+        Ok(())
+    }
+
+    pub async fn finalize_pending_melts(&self) -> Result<(), Error> {
+        self.inner.finalize_pending_melts().await?;
+        self.update_balance_streams().await;
+        Ok(())
+    }
+
+    // === Reclaim orphaned proofs ===
+
+    /// Check pending-spent proofs with the mint and revert unspent ones.
+    /// Returns the number of proofs recovered.
+    pub async fn reclaim_pending_proofs(&self) -> Result<u64, Error> {
+        let pending = self.inner.get_pending_spent_proofs().await?;
+        if pending.is_empty() {
+            return Ok(0);
+        }
+
+        // check_proofs_spent: queries mint AND removes spent proofs from local DB
+        let states = self.inner.check_proofs_spent(pending).await?;
+
+        // Collect Y values of proofs the mint says are NOT spent
+        // Only reclaim proofs the mint explicitly reports as Unspent.
+        // Pending proofs (still being processed) must not be unreserved.
+        let unspent_ys: Vec<PublicKey> = states
+            .into_iter()
+            .filter(|s| s.state == ProofState::Unspent)
+            .map(|s| s.y)
+            .collect();
+
+        let count = unspent_ys.len() as u64;
+        if count > 0 {
+            // Revert from PendingSpent to Unspent
+            self.inner.unreserve_proofs(unspent_ys).await?;
+        }
+
+        // Always refresh: check_proofs_spent may have removed spent proofs
+        self.update_balance_streams().await;
+        Ok(count)
+    }
+
+    // === Utility ===
+
+    pub async fn is_token_spent(&self, token: Token) -> Result<bool, Error> {
+        let token: CdkToken = token.try_into()?;
+        let mint_keysets = self.inner.get_mint_keysets().await?;
+        let proof_states = self
+            .inner
+            .check_proofs_spent(token.proofs(&mint_keysets)?)
+            .await?;
+        Ok(proof_states
+            .iter()
+            .any(|state| state.state == ProofState::Spent))
+    }
+
+    pub async fn get_mint(&self) -> Result<Option<MintInfo>, Error> {
+        Ok(self.inner.fetch_mint_info().await?.map(|info| info.into()))
+    }
+
+    // === Internal helpers ===
+
+    pub(crate) fn mint_url(&self) -> Result<MintUrl, Error> {
+        Ok(MintUrl::from_str(&self.mint_url)?)
+    }
+
+    fn unit(&self) -> CurrencyUnit {
+        CurrencyUnit::from_str(&self.unit).unwrap_or(CurrencyUnit::Custom(self.unit.clone()))
+    }
+
+    pub(crate) async fn update_balance_streams(&self) {
+        let balance = self
+            .inner
+            .total_balance()
+            .await
+            .unwrap_or(Amount::ZERO)
+            .into();
+        let _ = self.balance_broadcast.send(balance);
+    }
+}
+
+// ========================================================================
+// Types
+// ========================================================================
+
+/// Result of a confirmed send, carrying both the ecash token and the
+/// deterministic transaction ID so Dart can save metadata without a racy
+/// listTransactions lookup.
+pub struct SendResult {
+    pub token: Token,
+    /// Deterministic transaction ID (None if computation failed)
+    pub transaction_id: Option<String>,
+}
+
+pub struct MintQuote {
+    pub id: String,
+    pub request: String,
+    pub amount: Option<u64>,
+    pub expiry: Option<u64>,
+    pub state: MintQuoteState,
+    pub token: Option<Token>,
+    pub error: Option<String>,
+    /// Deterministic transaction ID (set when proofs are available, typically on Issued)
+    pub transaction_id: Option<String>,
+}
+
+impl From<CdkMintQuote> for MintQuote {
+    fn from(quote: CdkMintQuote) -> Self {
+        Self {
+            id: quote.id,
+            request: quote.request,
+            amount: quote.amount.map(|a| a.into()),
+            expiry: Some(quote.expiry),
+            state: quote.state.into(),
+            token: None,
+            error: None,
+            transaction_id: None,
+        }
+    }
+}
+
+pub enum MintQuoteState {
+    Unpaid,
+    Paid,
+    Issued,
+    Error,
+}
+
+impl From<CdkMintQuoteState> for MintQuoteState {
+    fn from(state: CdkMintQuoteState) -> Self {
+        match state {
+            CdkMintQuoteState::Unpaid => Self::Unpaid,
+            CdkMintQuoteState::Paid => Self::Paid,
+            CdkMintQuoteState::Issued => Self::Issued,
+        }
+    }
+}
+
+pub struct MeltQuote {
+    pub id: String,
+    pub request: String,
+    pub amount: u64,
+    pub fee_reserve: u64,
+    pub expiry: u64,
+}
+
+impl From<CdkMeltQuote> for MeltQuote {
+    fn from(quote: CdkMeltQuote) -> Self {
+        Self {
+            id: quote.id,
+            request: quote.request,
+            amount: quote.amount.into(),
+            fee_reserve: quote.fee_reserve.into(),
+            expiry: quote.expiry,
+        }
+    }
+}
+
+pub struct PreparedSend {
+    pub amount: u64,
+    pub swap_fee: u64,
+    pub send_fee: u64,
+    pub fee: u64,
+
+    operation_id: Uuid,
+    cdk_amount: Amount,
+    cdk_options: CdkSendOptions,
+    proofs_to_swap: cdk::nuts::Proofs,
+    proofs_to_send: cdk::nuts::Proofs,
+    cdk_swap_fee: Amount,
+    cdk_send_fee: Amount,
+}
+
+impl<'a> From<CdkPreparedSend<'a>> for PreparedSend {
+    fn from(ps: CdkPreparedSend<'a>) -> Self {
+        let amount = ps.amount();
+        let swap_fee = ps.swap_fee();
+        let send_fee = ps.send_fee();
+        let fee = ps.fee();
+        Self {
+            amount: amount.into(),
+            swap_fee: swap_fee.into(),
+            send_fee: send_fee.into(),
+            fee: fee.into(),
+            operation_id: ps.operation_id(),
+            cdk_amount: amount,
+            cdk_options: ps.options().clone(),
+            proofs_to_swap: ps.proofs_to_swap().to_vec(),
+            proofs_to_send: ps.proofs_to_send().to_vec(),
+            cdk_swap_fee: swap_fee,
+            cdk_send_fee: send_fee,
+        }
+    }
+}
+
+#[derive(Default)]
+pub struct ReceiveOptions {
+    pub signing_keys: Option<Vec<String>>,
+    pub preimages: Option<Vec<String>>,
+}
+
+impl TryInto<CdkReceiveOptions> for ReceiveOptions {
+    type Error = Error;
+
+    fn try_into(self) -> Result<CdkReceiveOptions, Self::Error> {
+        let p2pk_signing_keys = self
+            .signing_keys
+            .unwrap_or_default()
+            .into_iter()
+            .map(|s| SecretKey::from_str(&s))
+            .collect::<Result<Vec<_>, _>>()?;
+        Ok(CdkReceiveOptions {
+            p2pk_signing_keys,
+            preimages: self.preimages.unwrap_or_default(),
+            ..Default::default()
+        })
+    }
+}
+
+#[derive(Default)]
+pub struct SendOptions {
+    pub pubkey: Option<String>,
+    pub include_fee: Option<bool>,
+}
+
+impl TryInto<CdkSendOptions> for SendOptions {
+    type Error = Error;
+
+    fn try_into(self) -> Result<CdkSendOptions, Self::Error> {
+        let pubkey = self.pubkey.map(|s| PublicKey::from_str(&s)).transpose()?;
+        Ok(CdkSendOptions {
+            conditions: pubkey.map(|pubkey| SpendingConditions::new_p2pk(pubkey, None)),
+            include_fee: self.include_fee.unwrap_or_default(),
+            ..Default::default()
+        })
+    }
+}
+
+#[derive(PartialEq, Eq)]
+pub struct Transaction {
+    pub id: String,
+    pub mint_url: String,
+    pub direction: TransactionDirection,
+    pub amount: u64,
+    pub fee: u64,
+    pub unit: String,
+    pub ys: Vec<String>,
+    pub timestamp: u64,
+    pub memo: Option<String>,
+    pub metadata: HashMap<String, String>,
+    pub status: TransactionStatus,
+}
+
+impl From<CdkTransaction> for Transaction {
+    fn from(tx: CdkTransaction) -> Self {
+        Self {
+            id: tx.id().to_string(),
+            mint_url: tx.mint_url.to_string(),
+            direction: tx.direction.into(),
+            amount: tx.amount.into(),
+            fee: tx.fee.into(),
+            unit: tx.unit.to_string(),
+            ys: tx.ys.iter().map(|y| y.to_string()).collect(),
+            timestamp: tx.timestamp,
+            memo: tx.memo,
+            metadata: tx.metadata,
+            status: TransactionStatus::Settled,
+        }
+    }
+}
+
+impl PartialOrd for Transaction {
+    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
+        Some(self.cmp(other))
+    }
+}
+
+impl Ord for Transaction {
+    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
+        self.timestamp.cmp(&other.timestamp).reverse()
+    }
+}
+
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+pub enum TransactionDirection {
+    Incoming,
+    Outgoing,
+}
+
+impl From<CdkTransactionDirection> for TransactionDirection {
+    fn from(direction: CdkTransactionDirection) -> Self {
+        match direction {
+            CdkTransactionDirection::Incoming => Self::Incoming,
+            CdkTransactionDirection::Outgoing => Self::Outgoing,
+        }
+    }
+}
+
+impl Into<CdkTransactionDirection> for TransactionDirection {
+    fn into(self) -> CdkTransactionDirection {
+        match self {
+            Self::Incoming => CdkTransactionDirection::Incoming,
+            Self::Outgoing => CdkTransactionDirection::Outgoing,
+        }
+    }
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum TransactionStatus {
+    Pending,
+    Settled,
+}
+
+// ========================================================================
+// WalletDatabase
+// ========================================================================
+
+#[derive(Clone)]
+pub struct WalletDatabase {
+    pub path: String,
+    inner: Arc<WalletSqliteDatabase>,
+}
+
+impl WalletDatabase {
+    pub async fn new_instance(path: String) -> Result<Self, Error> {
+        let inner = WalletSqliteDatabase::new(path.as_str()).await?;
+        Ok(Self {
+            inner: Arc::new(inner),
+            path,
+        })
+    }
+
+    pub async fn remove_mint(&self, mint_url: &str) -> Result<(), Error> {
+        let mint_url = MintUrl::from_str(mint_url)?;
+        self.inner.remove_mint(mint_url).await?;
+        Ok(())
+    }
+}

rust/src/lib.rs

@@ -0,0 +1,2 @@
+mod frb_generated; /* AUTO INJECTED BY flutter_rust_bridge. This line may not be accurate, and you can change it according to your needs. */
+pub mod api;

rust_builder/android/build.gradle

@@ -0,0 +1,49 @@
+// Android NDK build integration for elcaju_core Rust crate.
+
+group 'com.elcaju.rust_builder'
+version '1.0'
+
+buildscript {
+    repositories {
+        google()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:7.3.0'
+    }
+}
+
+rootProject.allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+apply plugin: 'com.android.library'
+
+android {
+    if (project.android.hasProperty("namespace")) {
+        namespace 'com.elcaju.rust_builder'
+    }
+
+    compileSdkVersion 33
+
+    ndkVersion "27.0.12077973"
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    defaultConfig {
+        minSdkVersion 19
+    }
+}
+
+apply from: "../cargokit/gradle/plugin.gradle"
+cargokit {
+    manifestDir = "../../rust"
+    libname = "elcaju_core"
+}

rust_builder/cargokit/.gitignore

@@ -0,0 +1,4 @@
+target
+.dart_tool
+*.iml
+!pubspec.lock