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Results tagged with ecrecover
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user 58269
Questions about EcRecover, a function of the programming language Solidity to verify a signature on the blockchain
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What is the gas cost of recovering a wallet address from a signature using Solidity?
Public key recovery of an ECDSA signature uses the ECRECOVER operation and costs 3000 gas. If you have the public key you can derive the address and afaik a keccak operation(sha3) costs 30 gas. …
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