ERC-4906 EIP-721 Metadata Update Extension

FinalERCcreated 2022-03-132 later proposals build on itrequires ERC-165, ERC-721

Add a MetadataUpdate event to EIP-721.

Authors: Anders (@0xanders), Lance (@LanceSnow), Shrug, Nathan

Events (2)

Topic0 is the keccak256 hash of the signature, which is what a log filter matches on.

`0xf8e1a15aba9398e019f0b49df1a4fde98ee17ae345cb5f6b5e2c27f5033e8ce7`	`MetadataUpdate(uint256)`
`0x6bd5c950a8d8df17f772f5af37cb3655737899cbf903264b9795592da439661c`	`BatchMetadataUpdate(uint256,uint256)`

Depends on (2)

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Built on by (2)

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What the specification covers

This proposal declares no Solidity interface, so there is nothing to compute. It may be a core protocol change, a meta proposal, or written in prose only.

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