com.example.file_transfer/README.md

File Transfer

Zero SPOF file transfer over Nostr. End-to-end encrypted, decentralized, and private.

Features

• 🔒 End-to-End Encrypted - AES-GCM encryption, keys never leave the client
• 🌐 Zero SPOF - Decentralized storage across multiple Blossom servers
• 📨 Private Metadata - NIP-59 giftwrap for secure event delivery
• 📦 NIP-17 Compliant - Standard file metadata format

Security

• Files are encrypted client-side before upload
• Encryption keys are transmitted via NIP-59 giftwrap (only recipient can decrypt)
• Blossom servers store encrypted blobs only
• No central server has access to both the encrypted file and decryption keys