Japanese newspapers are minting Originator Profiles, so browsers can tell the real site from the usual fake clone soup.

HaloMark adds a rank threshold to embedding watermarks and glues them to C2PA manifests, with Qdrant as the bouncer.

Photos and videos should be signed at capture, with later edits provable via ZK so publishers can show what changed.

Survey on using blockchains as a shared trust layer for open agent networks, with a 5-axis taxonomy and risk mapping.