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Maybe in the interim we need deepfake detection tools, but I'm asking about the long run. Suppose signed AV takes off as described above. The public has been trained: "If the video doesn't have The King's Seal, it's not from The King."

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I think the point is that yes, that seems like a good solution for verifying content that purports to be released by a certain creator, but it doesn't solve the problem of deep fakes for captured footage i.e. you can prove it isn't a video that you created, but you can't prove it isn't a video someone else took of you.

That makes sense. But if signed AV takes off, the video someone else took of you and shared likely bears their seal. And audiences decide how much they trust that source – just like they look for a CNN / BBC / etc logo in the corner currently.

Great discussion. Many have asked the same questions.

We hope a standard will be created and used by all digital content creation tools. But this will take time. And even then, bad actors will not be deterred. They will always find ways to create fake content and pass it as authentic. We want to be there to fight them every step of the way!

There is a standard for this actually. Hot(ish) off the press: https://c2pa.org/

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