Add ERC: PLUME Signature in Wallets#242
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The commit 2d07dd1 (as a parent of 05663b5) contains errors. |
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Bumping @SamWilsn on review! Sam already left a lot of comments on the earlier version of this PR, and I fixed all of them. |
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Looks good! Just try to tighten up that abstract while you're in draft.
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| ZK-SNARKs have enabled ideation for new identity applications based on anonymous proof-of-ownership. One of the primary technologies that would enable the jump from existing apps to systems that require anonymous uniqueness is the development of verifiably deterministic signatures. Because Ethereum is based on ECDSA, there is no way right now for someone to verify that a signature is generated deterministically, even with ‘deterministic’ ECDSA signatures: a ZK-SNARK proof would need someone’s private key to do so, and some hardware wallets do not even allow viewing of a private key. Broadly, we don’t want to export/copy-paste the private key into a SNARK to be an intended user behavior, and most hardware wallets will not be able to run SNARK arithmetization inside a secure enclave for existing schemes (and nor do we want to standardize an entire proof system inside a wallet right now when they emerge and evolve almost every year). Thus we are left to select a new algorithm that offers us verifiable, deterministic nullifiers that can be SNARKed outside the enclave. | ||
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| One specific example of how such a signature can lead to unique pseudonymity is that we prove it was generated correctly in a ZK-SNARK that only reveals publicly the hash(signature), and the SNARK additionally proves some property the public key has (i.e. is in some anonymity set, has executed some set of actions on chain, etc). This proof is the only thing that is ever seen by other people, and so the hash(signature) can be used as a “nullifier”: a public commitment to a specific anonymous account, to forbid actions like double spending, or allow a consistent identity between anonymous actions. We aim to standardize a new verifiably deterministic signature algorithm that both uniquely identifies the keypair, and keeps the account identity secret, where verification does not require a secret key. The specific signature function we found (and will discuss for the rest of the post) is $hash(message, public\ key) ^ {secret\ key}$. |
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Could probably shorten the abstract a bit. Keep it brief and technical, and move the relevant bits into motivation.
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All Reviewers Have Approved; Performing Automatic Merge...
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ERC 7524
Previously at #37 (review) but that got closed
Ethmagicians Discussion: https://ethereum-magicians.org/t/erc-7524-plume-signature-in-wallets/15902
This PR fixes all of @SamWilsn's requested changes.
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