Published new Nostr Community Convention: ncc-05 - Identity-Bound Service Locator Resolution

NCC-05 update published

NCC-05 now clearly defines identity-bound, encrypted service locator resolution for dynamic ip:port endpoints, without DNS or public infrastructure.

What’s new and clarified:

Explicit anchored vs unanchored operating modes

Anchored mode (recommended): NCC-02 provides identity and trust, NCC-05 provides private reachability

Unanchored mode (permitted): supports ephemeral, P2P, and bootstrap use cases

Formalised endpoint object format with deterministic selection

Stronger guidance on TLS key binding (k) to prevent endpoint substitution

Clear TTL, expiration, caching, and refresh semantics

Deterministic record and endpoint selection to improve interoperability

Explicit support for private and invite-only services

NCC-05 remains client-agnostic, relay-agnostic, and fully compatible with existing Nostr primitives, while enabling private, low-cost alternatives to Dynamic DNS.

#nostr #nameresolution #privacy

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