Gasless token approvals via signatures
IERC2612 extends ERC-20 with a permit function that allows approvals via off-chain signatures. Instead of requiring a separate approve() transaction, users can sign a message that authorizes spending, saving gas and enabling gasless approval flows.
Reference guide to the most important Solidity interfaces from OpenZeppelin Contracts. ERC-20, ERC-721, ERC-1155, vaults, royalties, and more.
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