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ERC-8217 Agent NFT Identity Bindings

DraftERCcreated 2026-04-05requires ERC-8004

A per-chain singleton protocol that binds ERC-8004 agents to external NFT or token controllers.

Author: Prem Makeig (@nxt3d)

ERC-165 interface ids

Computed here as the XOR of the selectors each interface defines.

IERCAgentBindings0x4d69ebc2

Functions this standard introduces (1)

0x4d69ebc2bindingOf(uint256)view

Events (1)

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

0x1cb39fc13e08b8994b5bc1afdfe2cc88d223e5e855bfafa4b959fcdf8025664cAgentBound(uint256,uint8,address,uint256,address)

Depends on (1)

Proposals this one names in its requires field.

What the specification covers

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