A Nostr relay list is a curated or automatically discovered list of WebSocket relay server endpoints that a Nostr client uses to publish and subscribe to signed events. Because Nostr has no centralised routing, a client’s relay list determines its social graph reach: events are broadcast to all listed relays, and the client pulls its feed from the same set. Relay lists are stored as NIP-65 kind:10002 events on the network itself, enabling portable relay preferences that travel with the user’s public key across clients.

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