Frequently Asked Question

Relays are the backbone of nostr. They allow Nostr clients to send them messages, and they may (or may not) store those messages and broadcast those messages to all other connected clients.

They allow Nostr clients to send them messages, and they may (or may not) store those messages and broadcast those messages to all other connected clients.

One big difference in nostr relays from other protocols (like ActivityPub) is that nostr relays are not federated, meaning that they do not talk to one another by default. So it is advantageous to post to more than one relay to reach the wider network.