Great presentation! Got a question when it comes to the protection against deep fakes. You can sign a note with a video where you and Marty said a certain thing at a certain time, and I agree that's a...
> But lets say I am a reputable account posting a (faked) photo of you and Marty doing something illegal, how does nostr help you challenge the veracity of that photo?
YOU CANNOT CRYPTOGRAPHICALLY PROVE SOME THING DOES NOT EXIST, ONLY THAT SOME THING EXISTS.
IT DOES NOT MITIGATE THAT UNLESS THE PHOTO IS A MODIFIED VERSION OF AN ALREADY EXISTING PHOTO THAT WAS HASHED AND SIGNED.
YOU CANNOT CRYPTOGRAPHICALLY PROVE SOME THING DOES NOT EXIST, ONLY THAT SOME THING EXISTS.
IT DOES NOT MITIGATE THAT UNLESS THE PHOTO IS A MODIFIED VERSION OF AN ALREADY EXISTING PHOTO THAT WAS HASHED AND SIGNED.
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