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In today's video, we will be learning about ERC20 Permit, a mechanism to sign a message allowing someone else to approve spending your ERC20 tokens on your behalf. By giving approval to a spender with a specified value, you can enable them to spend your tokens. This process requires gas and usually involves two transactions. However, there is a clever way to sign a message, send it via a relay, and have the smart contract understand your approval without the need for two transactions. Although ERC20 Permit has not been finalized in EIP, there is a draft in progress and it is already implemented in Open Zeppelin. Remember to like and subscribe to the channel before we begin.
