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How could digitial age verification be possibly implemented with privacy in mind? (programming.dev)
submitted 2 years ago by to c/programming@programming.dev
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Many might've seen the Australian ban of social media for <16 y.o with no idea of how to implement it. There have been mentions of "double blind age verification", but I can't find any information on it.

Out of curiosity, how would you implement this with privacy in mind if you really had to?

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[–] 3 points 2 years ago (1 child)

So how would you use it to solve this problem? There still needs to be some sort of foolproof way of saying “person X is only 14 years old”.

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  • [–] 6 points 2 years ago

    You would prove something like "I possess a private key that matches a public key that is in this list of public keys belonging to people at least X years old". But without revealing which item in the list is the specific one for you. Which is the zero knowledge proofs' cool trick.

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