All specifications
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NUT-21: Clear Authentication
How a mint restricts its endpoints to users holding a token from an OpenID Connect service it trusts.
optional#cashu#ecash#nutMusic Playlists with PC 2.0 GUIDS
This spec defines an addressable event kind for publishing music playlists on Nostr, with tracks referenced via Podcast Index GUIDs.
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NIP-09
A special event with kind 5, meaning "deletion request" is defined as having a list of one or more e or a tags, each referencing an event the author is...
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NIP-45: Counting results
The COUNT verb, which asks a relay how many events match a filter instead of asking for the events themselves.
draft#nostr#nip
TRUSTed Events
kind 37571 "TRUSTed Info"
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Communikeys
Defines a standard for creating, managing and publishing to communities by leveraging existing key pairs and relays.
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Catallax - escrow-backed gigs
Live demo here: https://catallax-reference-client.netlify.app/catallax
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Chunked Blobs
Breaking large blossom blobs into smaller chunks for distribution
NIP-40
The expiration tag enables users to specify a unix timestamp at which the message SHOULD be considered expired (by relays and clients) and SHOULD be deleted by...
NiP
Nostr hub instant extension payment

Relay Hooks
This NIP defines a way for users to register new event hooks with relays and forward them to an HTTP API.
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TRUSTed Filters
extends nip-01
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TRUSTed Filter Presets
extends nip-trusted-filters
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Plugins for TRUSTed Filters
extends nip-trusted-filters

TRUSTed Ranking of Users
extends nip-trusted-filters
Strict Event Validation
This NIP defines a strict, uniform validation pipeline for NIP-01 events, so clients and relays can make the same decision about what is valid, what is safe to...

URL Indexing
This NIP defines kind:31263 (parameterized replaceable event) to publish metadata about URLs. Each event represents the indexing result of a URL and contains...
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Restricted Events
When the "+" tag is present, that means the event is "restricted".

NUT-02: Keysets and fees
Keysets: how an id is derived from one, how a mint rotates them, and the input fee a wallet pays when spending ecash from one.
mandatory#cashu#ecash#nut
Trusted Relay Assertions
This NIP defines a standard for publishing trust assertions about Nostr relays. Assertion providers compute trust scores from observed metrics (NIP-66)...