Vitalik Buterin on Farcaster

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Vitalik Buterin

When debugging a ZKP verifier, make sure to keep checking not just that the proof verifies on valid inputs, but also that the proof verification returns an error on invalid inputs (or with nonsensical tweaks to the verification mechanism).

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Emmanuel Awosika

I guess this is how you catch unconstrained circuit bugs? I can imagine there's some proof circuit that checks that the square of a number is 9, but doesn’t check if it should be 3 or -3. What you're suggesting here should catch the bug if we only want it to be 3, no?

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EulerLagrangodamus

@eulerlagrange.eth

Hey Vitalik would you like to do an AMA on here sometime?

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In zk proofs, there are (2) actors : prover and a verifier. The prover convince the verifier without revealing any information. The verifier verify that the prover is telling the truth. A ZKP verifier must reject both invalid proofs and those with tampered verification.

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Jen_NY🟣 pfp

Great point, @vitalik.eth! Ensuring that a ZKP verifier properly rejects invalid inputs is crucial for maintaining security and integrity. It's not just about accepting the right proofs, but also about robustly identifying the wrong ones. 🔍🛡️

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Yes, sir, I will🫡

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Yes sir thx Legend 🙇‍♂️

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@empathicalchemy

I think the core of this, is crucial in so many things. Look for the truths in things, the provable, but also the untruths, the unproven. 10 $DEGEN

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pgpg pfp

I mean. That's just general testing advice sir.

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@giancarlodc.eth

Good unit tests should be able to take care of that or am I missing something? Still, ensuring to cover all these use cases is what I am calling “good” unit tests.

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Anatole pfp

Thank you for spreading positivity!

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Ben Green pfp

I feel like this message is a direct response to snarkjs and its lack of testing. This pr is in the new 0.7.4 and it has no test that fails before the patch. https://github.com/iden3/snarkjs/pull/480

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Thanks for your message 🙂

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MCLUHAN VIDEOS YOUTUBE

can we extend this to the topic of video index tokens, where human beings perform the exact confirmation or chain, a verificationary human blockchain?

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Kelsie pfp

Most days I even check I'm awake before I make coffee ☕ it's like zombie mode 🤯

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