Rate limiting works ATM. If you use coolr.chat, and connect to the damus relay (which has rate limiting) there is almost no spam, even in the bitchat channels. Bitchat itself connects to multiple relays, some don't rate limit.
Derek Ross's avatar Derek Ross
Bitch@ geohash channels are getting spammed. These channels operate on kind:20000 on the following relays. wss://relay.damus.io wss://nos.lol wss://relay.primal.net wss://offchain.pub wss://nostr21.com I know that the @npub18m76...q955 has rate limits. @npub1nlk8...jm9c is using machine learning for spam filtering, but I'm not sure if he's using it for kind:20000.
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I'm not certain. I just noticed that the bitchat app was affected, while the coolr app wasn't. When I saw Derek's note it seemed obvious what was happening.