4min chapter

web3 with a16z crypto cover image

AI & Crypto

web3 with a16z crypto

CHAPTER

How to Verify C2PA Signatures on Images and Videos

The C2PA is a system that specifies how cameras will sign data. A camera by Sony can now take pictures and take videos and then produce C2PA signatures on those videos. You can actually kind of prove that the data really came from a C2PA camera. And this way politicians could, for example, prove that video they're posting online is actually their own. It's very interesting that ZK techniques can be used to fight disinformation.

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