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Today's video tutorial covers ERC20 permit, a mechanism that allows you to sign a message to give someone else approval to spend your ERC20 tokens. This process requires gas and involves two transactions - one for approval and one for the actual transaction. A clever way to streamline this process is by signing a message and sending it via a relay to the smart contract. This feature is not yet finalized in EIP but is already implemented in Open Zeppelin. Don't forget to like and subscribe to the channel before we begin.
