Privacy

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Is it possible to use zero knowledge proofs to verify journalism sources? (lemmy.dbzer0.com)

submitted 4 months ago by Danterious@lemmy.dbzer0.com to c/privacy@lemmy.ml

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cross-posted from: https://lemmy.dbzer0.com/post/19547690

After reading this thread I had the question on whether it is possible to verify you have certain information without revealing who you are to others.

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[–] drwho@beehaw.org 4 points 4 months ago

In a journalistic context, a ZKP can't prove veracity of the information.

Let's say you have a hoax that you want to pull on a journo. You cook up something that looks legit, like the blueprints for a super secret stealth fighter or something. You find a way to apply a ZKP to that file (let's say an elaborate cryptographic hash). You leak the file to the journo. They ask for you to iterate on the ZKP a few hundred thousand times (which is on the low side for a ZKP) - easy to do, because you came up with it.

But that doesn't mean the file's legit. That's a separate problem, and not one that is technological in nature.