ERC-721 vs ERC-7628

Non-Fungible Token Standard compared with ERC-721 Ownership Shares Extension.

ERC-7628 is a strict superset of ERC-721

10 shared · 10 vs 18 functions · 100% of the smaller surface

🤝 Shared (10)

`0x095ea7b3`	`approve(address,uint256)`
`0x70a08231`	`balanceOf(address)`
`0x081812fc`	`getApproved(uint256)`
`0xe985e9c5`	`isApprovedForAll(address,address)`
`0x6352211e`	`ownerOf(uint256)`
`0xb88d4fde`	`safeTransferFrom(address,address,uint256,bytes)`
`0x42842e0e`	`safeTransferFrom(address,address,uint256)`
`0xa22cb465`	`setApprovalForAll(address,bool)`
`0x01ffc9a7`	`supportsInterface(bytes4)`
`0x23b872dd`	`transferFrom(address,address,uint256)`

None.

`0x3b4b74ba`	`addSharesToToken(uint256,uint256)`
`0x5c9eb4c4`	`approveShare(uint256,address,uint256)`
`0x975012a5`	`shareAllowance(uint256,address)`
`0x3af8e5eb`	`shareDecimals()`
`0x26ca291b`	`shareOf(uint256)`
`0x3a98ef39`	`totalShares()`
`0x194d3f1a`	`transferShares(uint256,uint256,uint256)`
`0xb63846e6`	`transferSharesToAddress(uint256,address,uint256)`

Both surfaces parsed from the canonical specifications: ERC-721 · ERC-7628