Nostr specs in use

Event shape, kind:0 metadata, kind:1 notes, signatures.

kind:3 contact lists used by Following and the social feed.

NIP-05 verification of name@domain on profile cards.

Browser extension signing for connect, post, react, follow.

kind:5 deletion requests — Edit and Delete actions on the user's own posts; honoured site-wide when rendering.

Reply / mention threading on kind:1 notes and reposts.

Relay capability probe; daemon refuses dialing historical:true relays.

Optional `subject` tag on kind:1 notes; surfaces as a thread title.

NIP-17 chat rumors carried inside NIP-59 gift wraps; powers the Messages page.

kind:6 reposts surfaced in the feed and on profile timelines.

npub / nevent / nprofile identifiers in the address bar and links.

In-content nostr: links resolved into clickable mentions and event refs.

kind:30023 markdown articles authored from the compose box and rendered on /social/article/<naddr>.

display_name, website, banner, lud16, bot, birthday on profile cards.

kind:7 reactions (likes, custom emoji) under each note.

In-text references to events and profiles parsed from kind:1 content.

kind:40/41/42 channel messages used by chat rooms.

Optional `content-warning` tag on kind:1 notes for spoilers / NSFW; clients hide content until clicked.

kind:31234 NIP-44-encrypted drafts auto-saved from the long-form composer; deleted via NIP-09 on publish.

Optional `expiration` tag (unix seconds) marking a note as ephemeral; conforming relays auto-delete.

NIP-44 v2 encryption inside every NIP-17 gift wrap and around long-form draft payloads (NIP-37).

Date-based (kind:31922) and time-based (kind:31923) calendar events composed and rendered in the feed.

kind:1059 wraps used by NIP-17 to deliver private messages.

kind:62 request asking the relay to permanently delete every event from a pubkey; honoured by the configured relay and filtered client-side.

kind:10002 read/write relay declaration; powers remote relay fanout.

kind:34550 community definitions and kind:4550 approvals on chat rooms.

kind:1068 polls in the feed and kind:1018 vote responses with live tallies.

kind:27235 tokens that authenticate identity-bearing daemon API calls.