ERC-721 vs ERC-4973

Non-Fungible Token Standard compared with Account-bound Tokens.

Overlapping, neither contains the other

2 shared · 10 vs 6 functions · 33% of the smaller surface

ERC-4973 lists ERC-721 in its requires field but declares no inheritance in its interface, so any surface it inherits is not counted here.

🤝 Shared (2)

`0x70a08231`	`balanceOf(address)`
`0x6352211e`	`ownerOf(uint256)`

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

Both surfaces parsed from the canonical specifications: ERC-721 · ERC-4973