BitTorrent originally had the same problem you describe, with their trackers analogous to Nostr’s relays: centralized and censorable. In response to the threat, they invented the Distributed Hash Table as a decentralized database for finding peers for each torrent. Nostr will have to come up with some similar solution in order to survive, I think.

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What about this?
Daniel A Cummings's avatar Daniel A Cummings
I go into a little more detail about the idea in the note below. But I would change what I said about relays signing all the content they send to clients. Instead, once per WSS connection, some sort of proof could be sent by the relay to the client to show it's the relay belonging to the public key that the client is using to track it. View quoted note →
View quoted note →