@ligatelabs
EU AI Act Article 50 says AI-generated content must be cryptographically markable.
C2PA strips on re-upload. Watermarks degrade through compression. Voluntary disclosures aren't auditable.
So we wrote up the actual chain-level flow. How the EU AI Office registers an attestor set. How OpenAI or Anthropic attests at generation time. How a citizen, a regulator, and a court each verify the same image.
The chain stores hashes and signatures only. Never the prompt, never the output. GDPR-compatible by design.
0.001 $LGT per attestation. Stripe floor is $0.30. Ethereum gas at AI volume is structurally infeasible.
https://ligate.io/blog/how-the-eu-ai-act-gets-enforced-on-ligate
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