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ERC721 Tx judgement in Etherscan

In Etherscan, the ERC721 Token Tx section on the address screen of each account is displayed separately, and I wonder how they judge the ERC721 Token Tx. If anyone knows anything about this, I'm eagerly waiting for any answers. below the etherscan image what i said.

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Thank you.

Solution

  • you can see all the erc721 txns logs have the erc721 transfer event, so I think it's using the event to judge whether it's ERC721 Token Tx or not