Matthew Green on ZK proofs for AI authorship: verifiable randomness and prompt history

matthew_d_green · x · 2026-11-07

Cryptographer Matthew Green extends a discussion on combining zero-knowledge proofs with AI: proving a specific model authored an artifact also requires making the randomness verifiable. The harder problem is convincing a verifier nothing odd is hidden in the prompt history, which blows up its size — though he thinks there may be workarounds.

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