Earlier quoted context omitted.
Beyond federated systems, P2P systems seem to have a strong advantage here in identifying bad actors. Ranking posts/comments by the exponential of inverse IPAddress-post-frequency would solve bad actors posting behind VPNs/proxies like evil bot farms / state actors and marketers. Real users have their own IP address, and IP addresses are expensive like $20-50 a month which would make mocking traffic an extremely expe…
> Ranking posts/comments by the exponential of inverse IPAddress-post-frequency Doesn't this just incentivize posting a bunch of comments from your residential proxy IP addresses to launder them? This smells like a poor strategy that's likely to lead to more spam than not. Also, everyone has to start somewhere so your legit IP addresses are also going to seem spammy at first.
You should only see one user-id per MAC / IP. If you see multiple then its a sign of a bad actor.
Before you're established using something like a captcha prevents most spam, except for state actors, and they wont be focused on the site until its larger.