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ERC-165 vs ERC-5521

Standard Interface Detection compared with Referable NFT.

ERC-5521 is a strict superset of ERC-165
1 shared · 1 vs 5 functions · 100% of the smaller surface

ERC-5521 lists ERC-165 in its requires field but declares no inheritance in its interface, so any surface it inherits is not counted here.

🤝 Shared (1)

0x01ffc9a7supportsInterface(bytes4)

◀️ Only in ERC-165 (0)

None.

▶️ Only in ERC-5521 (4)

0xd30d968dcreatedTimestampOf(address,uint256)
0x64f9b0e6referredOf(address,uint256)
0xa35391acreferringOf(address,uint256)
0x616c5535setNode(uint256,address[],uint256[][])

Both surfaces parsed from the canonical specifications: ERC-165 · ERC-5521