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EIPs for Designers
139 proposals7 chain guidesUpdated 23 Sept 2026
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Gaming & Composability

Building complex interactive NFT systems

2 guides·Spans 2 journey stages·2 Final proposals

Specification status

  • Final

    Stable specification; check network and product support

Final proposals

ERC-2135FinalStable specification; check network and product support

Consumable Interface

Users hold NFT tickets/passes that can be 'used' or 'consumed' — once consumed, the token is burned or marked used (like tearing a concert ticket).

Stages: Specialized Interactions

EthereumOpen guide
ERC-4400FinalStable specification; check network and product support

Consumable NFT Extension

ERC-4400 records a consumer identity for an NFT without changing ownership. The consumer is not automatically an owner, operator, or approved transfer address; the consuming app defines which actions, if any, that role permits.

Stages: Approving & Permissioning, Specialized Interactions

EthereumOpen guide