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whats up clevers gm gmgm in todays video what were going to learn is something called erc20 permit now what does that mean it is a mechanism through which you can just sign a message and then allow somebody else to approve spending on your behalf your erc20 tokens in order for somebody to spend your tokens you need to let the smart contract know that you are approving this spender with this much value now of course that requires gas and when interacting with a smart contract it ends up spending two transactions one for the approval second for actually making the transaction so theres a clever way with which you can sign a message send that message by re-layer and smart contract will understand that you want to give allowance to a spender it has not finalized in eip but there is a draft which has been going on for long and it is already implemented in open zeppelin but before we get started please make sure to hit that like button and subscribe to the channel if you havent if you
