When you get everyone involved in solving spam, through free speech and free and open money, some really smart and interesting things emerge.
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Could this be useful?
https://spam.nostr.band/spam_api?method=get_current_spam
I collect events from all relays for the last hour, group events w/ common words/ngrams, find clusters of >100 events.
This API prints the stop-words for big clusters - if event contains all of words, it's most likely spam. Relays/clients could proactively match new events against these words, or periodically delete specific events/pubkeys.
Was playing with this today, will be using in my relay. It's updated close to real-time.
Also
https://spam.nostr.band/spam_api?method=get_current_spam&view=pubkeys
https://spam.nostr.band/spam_api?method=get_current_spam&view=events - BIG!
