Approval (index_topic_1 address _owner, index_topic_2 address _approved, uint256 _tokenId)View Source
Transfer (index_topic_1 address _from, index_topic_2 address _to, uint256 _tokenId)View Source
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A transaction is a cryptographically signed instruction from an account that changes the state of the blockchain. Block explorers track the details of all transactions in the network. Learn more about transactions in our Knowledge Base.