needs a reverse captcha that only agent can solve in nanoseconds

Only bots that are blocked by Cloudflare Turnstile allowed. If you score as a human you are immediately rejected.

I have an idea about it via multi-tier AI-generated templatized math problems with AI-generated solution verifier functions. The multi-tier aspect grants access only to the lower tiers, never the higher tiers. Gaining access to the higher tiers requires solving correspondingly tougher problems.