LogicallyMinded on Nostr: One option to stop the spammers would be to require #Nostr users to authenticate ...

One option to stop the spammers would be to require #Nostr users to authenticate their npub with a #ProofOfPersonhood protocol to prove that they aren’t a bot. There are solutions such as #GitcoinPassport that aggregate various PoP systems to make it less inconvenient for users to prove that they are a unique human.