Ever heard of zero-knowledge proofs?

CloudFlare claims to support Privacy Pass, which is supposed to use a zero-knowledge scheme to solve for this for Tor users.

Unforunately, the integration has been broken for a very long time and bug reports aren't tended to.

https://blog.cloudflare.com/cloudflare-supports-privacy-pass...

https://privacypass.github.io/

https://github.com/privacypass/challenge-bypass-extension/is...