Cryptographic Proof of Effort (CPoE) — IETF Internet-Draft specification for verifiable attestation of human cognitive involvement in digital content creation, built on the RATS architecture (RFC 9334)
cbor ietf attestation rats cddl human-verification verifiable-credentials c2pa content-provenance lfdt rfc9334 proof-of-effort cpoe-protocol
-
Updated
Apr 14, 2026 - Makefile