Oddbean new post about | logout
 you are seeing bots? 
 Hmm posts are hidden under “Show more” so kind of no? But I could care less about a post that is an immediate reply to my posts that a human could simply not make: 1. They did not read my post, and 2. no way a human could respond that fast. It takes about 300ms for each character in average on a keyboard so the timing just doesn’t add up. 
 probably better if I find more ways to get normal people out of “Show more” because other solutions are too easy to circumvent 
 Most annoying spam happens in the first few seconds of a post and is from a fresh npub. Spammers are not incentivized into replying to old posts, just new ones otherwise they get little visibility.

How about:
replier npub is first seen (or in a long time) to your post PLUS content length vs created time exceeds what is humanly possible. 
 from the spammers perspective I would just make the content length like a normal reply and the created time also random between 20-120 seconds, its just cat and mouse and the spammer can adjust faster 
 I think it’s a combination of measures that make it more effective, not just one, like security that works in layers you must be able to beat all layers to make it thru, it is a cat and mouse game but most spam is not sophisticated. We can deal with the sophisticated ones later and still have a first few layers of defense. WoT has done pretty good so far, but leaves legit new users out in the cold.

It doesn’t make sense to tackle at the relay level because most relays don’t know what’s happening on other relays, only clients know. 
 slowing spammers down IS a good thing, whether with PoW or making them wait it’s all a win  
 I’d also combine all brand new (first time seen) npubs as the same npub if they reply too fast to a post, they would hit the same rate limit and thus step on each other: useless to use many different npubs to spam