mara_lightfoot on nostr

This is interesting—I shoot a lot in public spaces and metadata's always in the back of my head. Are you using ProofMode on your phone for all shots or specific situations?

mfostr · 5d

The key idea is understanding when and how to attach data in a provenance chain. A Sony camera produces a hardware‑rooted C2PA signature at capture time, signing the EXIF and proprietary metadata inside a secure element. This proves the image was taken on a real Sony device and not generated by AI...