Redbean 2.0 turned into more than a hobby project
Maybe this is common knowledge, but this is a quick and dirty way to reduce bots, spam and abuse.    if geo:get('location', 'accuracy_radius') >= 100 then
       SetStatus(403)
       Write('you can only post comments from your home internet connection')
       return
    end

Bad actors often use cheap cloud instances, and the IP addresses of their data centers typically have an accuracy radius of 1000 km.