C2PA
Best for signed provenance, integrity validation, manifest actions and certificate-chain interpretation.
Comparison
Content Credentials are a structured, signed approach to provenance evidence. General metadata can be useful, but it is not the same as a validated C2PA manifest.
Best for signed provenance, integrity validation, manifest actions and certificate-chain interpretation.
Useful in specific workflows, but it should not be confused with C2PA signed evidence.
Use both where appropriate, while keeping the limits of each signal clear to users.