Abstract This standard is an extension of EIP-721. It adds a MetadataUpdate event to EIP-721 tokens. Motivation Many EIP-721 contracts emit an event when one of its tokens’ metadata are changed. While tracking changes based on these different events is possible, it is an extra effort for third-party platforms, such as an NFT marketplace, to build individualized solutions for each NFT collection. H
Simple Summary A standard interface for tokens. Abstract The following standard allows for the implementation of a standard API for tokens within smart contracts. This standard provides basic functionality to transfer tokens, as well as allow tokens to be approved so they can be spent by another on-chain third party. Motivation A standard interface allows any tokens on Ethereum to be re-used by ot
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