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Joined 3 years ago
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Cake day: September 20th, 2023

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  • My reference point is cloudflare’s research on zero knowledge proofs used to issue anonymous tokens to bypass (pre-complete) captcha checkpoints.

    Neither website nor issuer (nor the combination) can determine the identity of a user from the token (hence zero knowledge), but other techniques entirely unrelated to the cryptography can identify a user. For example network or browser metadata or traditional browser fingerprinting.