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https://github.com/ProjectOpenSea/opensea-creatures/blob/master/contracts/ERC721Tradable.sol

Someone please explain me the function at line 91

MAHENDRAN KANAGARAJ
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  • Those contracts appear too be meta transactions https://docs.openzeppelin.com/learn/sending-gasless-transactions. See this explanation for the OpenZeppelin implementation https://ethereum.stackexchange.com/questions/99250/understanding-openzeppelins-context-contract. – Ismael Jul 13 '21 at 04:19

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