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In this video, we are going to learn about ERC20 Permit, a mechanism that allows you to sign a message to approve someone else to spend your ERC20 tokens on your behalf. When a spender wants to use your tokens, you need to approve them with a specific value, which requires gas and can involve multiple transactions. However, there is a clever way to sign a message and send it via a relay to the smart contract for approval. This feature is not yet finalized in the EIP but has been in draft for a long time and is already implemented in Open Zeppelin. Don't forget to like and subscribe before diving into the details!
