How to sign a message with a wallet and verify the signature on-chain using
This is a practical tutorial on how to sign a message using MetaMask and then verify it on-chain.
Here’s a demo: https://leon-do.github.io/ecrecover/
GitHub - leon-do/ecrecover: verify a signed ETH message
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- This is using the method
personal_signto prevent accidental transaction spending. This will relate to
\x19Ethereum Signed Message:\n32prefix found in the smart contract (below).
- This is signing…