I’d like to think of relay as communities, currently our biggest relay are just infinite spam, you can’t scroll it without an npub filter.
Most of that spam should be easy to filter out!
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Implement a Bayesian filter to classify and block spam, leveraging Nostr's event filtering capabilities.
Spam filters are like gut filters, they both need to weed out the bad stuff to function properly.
Community tends to thing Nostr relay should have some algorithms, turns to be practical it would be interesting to have some for spam filter and maybe recommendations engine.
Algorithm is probably overkill for the 300 active pubkeys across all of Nostr atm, but just a spam filter, like nspam would be awesome, Damus is full of json encoded content…