NIP	File	Status	Notes
01	01-basic-protocol.md	Implemented	Event, Filter, ClientMessage, RelayMessage
02	02-follow-list.md	Not yet	Kind 3 contact list
04	04-encrypted-dm-legacy.md	Not yet	Deprecated — use NIP-17
05	05-dns-verification.md	Not yet	NIP-05 identifiers
09	09-event-deletion.md	Not yet	Kind 5 deletion
10	10-reply-threading.md	Implemented	Nip10.kt
11	11-relay-info.md	Not yet	Relay information document
17	17-private-dm.md	Not yet	Gift-wrapped DMs (replaces NIP-04)
19	19-bech32-encoding.md	Implemented	Nip19.kt (npub/nsec/note)
25	25-reactions.md	Not yet	Kind 7 reactions
42	42-authentication.md	Not yet	Relay authentication
44	44-versioned-encryption.md	Not yet	NIP-44 encryption (for NIP-17)
51	51-lists.md	Not yet	Lists and sets
57	57-zaps.md	Not yet	Lightning zaps
65	65-relay-list-metadata.md	Not yet	Outbox model relay lists

Event Kind Master Table

Kind	Name	NIP	Replacement	Notes
0	Profile Metadata	01	Replaceable	JSON content: {name, about, picture, nip05, ...}
1	Short Text Note	01	Regular	Main post type
3	Follow List	02	Replaceable	p-tags = contacts
4	Encrypted DM (legacy)	04	Regular	DEPRECATED — use kind 14
5	Event Deletion	09	Regular	e-tags and a-tags to delete
7	Reaction	25	Regular	"+" = like, "-" = dislike, emoji
13	Seal	17	Regular	Encrypted signed rumor
14	Chat Message	17	Regular	The actual DM (inside seal)
1059	Gift Wrap	17	Regular	Outer wrapper with random key
9734	Zap Request	57	Regular	Sent to LNURL server
9735	Zap Receipt	57	Regular	Created by LNURL server
10000	Mute List	51	Replaceable	Parameterized
10001	Pin List	51	Replaceable	Parameterized
10002	Relay List	65	Replaceable	Outbox model relays
22242	Auth	42	Regular	Challenge-response
30000+	Categorized lists	51	Param. replaceable	d-tag = category name

Kind Ranges (NIP-01)

Range	Type	Behavior
0-999	Regular	Stored by relays
0, 3, 10000-19999	Replaceable	Latest per pubkey (+d for parameterized)
1000-9999	Regular	Stored normally
20000-29999	Ephemeral	Not stored
30000-39999	Parameterized replaceable	Latest per pubkey+d-tag

NIP Dependency Map

NIP-01 (base)
├── NIP-02 (follow list)
├── NIP-05 (DNS verification)
├── NIP-09 (deletion)
├── NIP-10 (threading) ← depends on NIP-01 e-tags
├── NIP-11 (relay info)
├── NIP-19 (bech32)
├── NIP-25 (reactions) ← depends on NIP-10 e-tags
├── NIP-42 (auth)
├── NIP-51 (lists)
├── NIP-65 (relay list metadata)
├── NIP-44 (encryption)
│   └── NIP-17 (private DMs) ← depends on NIP-44
└── NIP-57 (zaps) ← depends on NIP-09 (optional)

Common Tag Formats

Tag	Purpose	Format	Example
`e`	Event reference	`["e", <event-id>, <relay>, <marker>]`	`["e", "abc...", "", "reply"]`
`p`	Pubkey reference	`["p", <pubkey>, <relay>]`	`["p", "def..."]`
`a`	Replaceable ref	`["a", "<kind>:<pubkey>:<d>", <relay>]`	`["a", "30023:abc:slug"]`
`d`	Identifier	`["d", <value>]`	`["d", "my-list"]`
`q`	Quote	`["q", <event-id>, <relay>]`	`["q", "abc...", "wss://..."]`
`t`	Hashtag	`["t", <topic>]`	`["t", "nostr"]`
`k`	Kind reference	`["k", <kind-number>]`	`["k", "1"]`