PoW challenges that make bots not viable.
You mean a la Anubis? But people also seem unhappy with that; and in any case Anubis is designed to stop ai crawlers; it doesn't work against a targeted crawler or a targeted dos attack.
alt Hacker News
You mean a la Anubis? But people also seem unhappy with that; and in any case Anubis is designed to stop ai crawlers; it doesn't work against a targeted crawler or a targeted dos attack.