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Today's video tutorial introduces the concept of ERC20 permit, a way to authorize someone to spend your ERC20 tokens by signing a message. When allowing a spender to access your tokens, you need to specify the amount you approve. This process requires gas for two transactions: one for approval and another for the actual transaction. A clever workaround involves signing a message and sending it via a relayer, enabling the smart contract to recognize your authorization. While ERC20 permit is not yet finalized in EIP, it is implemented in Open Zeppelin. Don't forget to like and subscribe before diving into the tutorial.
