All specifications
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NIP-06: Basic key derivation from mnemonic seed phrase
Deriving a key from a BIP39 mnemonic along the m/44'/1237' path.
unrecommended#nostr#nip
NIP-03: OpenTimestamps Attestations for Events
Kind 1040, which carries an OpenTimestamps proof that another event existed before a given Bitcoin block.
unrecommendedcovers1040OpenTimestamps#nostr#nip
Music Tracks (Extended)
36787: Music Track (addressable)

NIP-C7: Chats
Kind 9, a chat message, whose replies are further kind 9 events quoting their parent.
draftcovers9Chat Message#nostr#nip
NIP-78: Application-specific data
Kind 30078, where an application stores data it has no intention of sharing with any other.
draftcovers78Application-specific Data30078Application-specific Data#nostr#nip
NIP-7D: Forum Threads
Kind 11, a forum thread with a title, whose replies are NIP-22 comments rather than nested notes.
draftcovers11Thread#nostr#nip
NIP-66: Relay Discovery and Liveness Monitoring
Kind 30166, relay discovery events published by monitors, describing what a relay claims to be and whether it answers.
draftcovers10166Relay Monitor Announcement30166Relay Discovery#nostr#nip
NIP-48: Bridged Events
The proxy tag, which links an event bridged from another protocol back to the object it came from.
draft#nostr#nip
NIP-F4: Podcasts
Podcast episodes published as events, so a feed stops depending on one URL staying alive.
draftcovers54Podcast Episode10154Podcast Metadata#nostr#nip
Payment Superchats
This spec defines the method for notifying another npub that you have made a monetary payment to one of their payto URI addresses or zap wallets, and the method for the recipient to attest to the receipt of the payment/tip or zap. The attested-to payment notification or zap receipt can then be rendered in threads as superchats.
covers9740974197361814#zap#payto
Nostr mail core
Remove gatekeepers from email. Use Nostr as transport instead of SMTP between users.
covers1301131059
NIP-13
This NIP defines a way to generate and interpret Proof of Work for nostr notes. Proof of Work (PoW) is a way to add a proof of computational work to a note...

Bitcoin to Smiles Conversion
This NIP defines a standard for converting Bitcoin into smiles, a unit of joy emitted by humans upon receipt of value over Nostr. It deprecates NIP-57...
covers93769377
Committees
This NIP defines a committee management system for Nostr, enabling communities to create organizational structures with members, roles, and open positions...
covers300683906839069
payto: Payment Targets (RFC-8905)
This NIP defines kind:10133 for payment target events. This kind is replaceable.

NIP-SP: Silent Payment Addresses in Profile Metadata
This NIP defines how a Nostr user advertises a Bitcoin BIP-352 silent payment address, so that anyone can pay them on-chain without interaction, address reuse...

Nostr silent payment address
This document defines how to send and receive BIP-352 silent payments using a Nostr public key (npub) as the sole identity input. Every Nostr keypair...

NIP-37: Draft Events
Kind 31234, an encrypted draft of an unsigned event of any kind, stored on relays for its author alone.
draftcovers1234Draft Checkpoint10013Private event relay list31234Draft Event#nostr#nip
NIP-23: Long-form Content
Kind 30023, long-form articles written in Markdown, addressable so their author can revise them in place.
draftcovers30023Long-form Content30024Draft Long-form Content#nostr#nip
On-Chain Zaps for Closed-Order Ceremonial Recordkeeping
This has been vibed into existence and should be considered a joke until you realize it's not. I did not read this before publishing.