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Pro@programming.dev

Computer Scientists Figure Out How To Prove Lies: An attack on a fundamental proof technique reveals a glaring security issue for blockchains and other digital encryption schemes. (www.quantamagazine.org)

submitted 3 days ago by Pro@programming.dev to c/Technology@programming.dev

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[–] sukhmel@programming.dev 2 points 2 days ago

Hashes are 'proper cryptography', it's just that sometimes even when you use the right tools you get a bad result, e.g. when a backdoor exists in the hashing parameters that is hard to find. Yes, sometimes hashes are overused, but this example here doesn't seem like the case, and true randomness wouldn't allow the proofs to be deterministic, thus requiring everything to be checked which is not desirable because it requires time and power to do so.