0x4fe992e5…59b02020-11-19·#11,286,485·view on Etherscan ERC20/Not-Enough-AllowanceAuthority/Not-AuthorizedERC20/Not-Allowed-TransferERC20/Not-Enough-BalanceERC2612/Invalid-address-0ERC2612/Expired-timeERC2612/Invalid-SignatureMath/Add-Overflow