@ercref/contracts/interfaces/README.md

An open source repository for smart contract reference implementations of ERCs.

# Interfaces

All ERC interfaces will be moved to this folder.

|ERC|Title| Status |
|--- |--- | --- |
|20|Token Standard| Added |
|55|Mixed-case checksum address encoding| N/A|
|137|Ethereum Domain Name Service - Specification| Added |
|162|Initial ENS Hash Registrar| Pending prioritization |
|165|Standard Interface Detection| Added |
|173|Contract Ownership Standard| Added |
|181|ENS support for reverse resolution of Ethereum addresses| Added |
|190|Ethereum Smart Contract Packaging Standard| Pending prioritization |
|191|Signed Data Standard| N/A |
|600|Ethereum purpose allocation for Deterministic Wallets| N/A |
|601|Ethereum hierarchy for deterministic wallets| N/A |
|681|URL Format for Transaction Requests| N/A |
|721|Non-Fungible Token Standard| Added |
|777|Token Standard| Added |
|820|Pseudo-introspection Registry Contract| Superseded |
|1155|Multi Token Standard| Added |
|1167|Minimal Proxy Contract| N/A |
|1271|Standard Signature Validation Method for Contracts| Added |
|1363|Payable Token| Added |
|1820|Pseudo-introspection Registry Contract| Pending prioritization |
|1967|Proxy Storage Slots| Added |
|2098|Compact Signature Representation| N/A |
|2309|ERC-721 Consecutive Transfer Extension| Added |
|2535|Diamonds, Multi-Facet Proxy| Added |
|2612|Permit Extension for EIP-20 Signed Approvals| Added |
|2678|Revised Ethereum Smart Contract Packaging Standard (EthPM v3)| Pending prioritization |
|2981|NFT Royalty Standard| Added |
|3156|Flash Loans| Added |
|3448|MetaProxy Standard| N/A |
|3475|Abstract Storage Bonds| [Blocked](https://github.com/ethereum/EIPs/issues/6128) |
|3525|Semi-Fungible Token| Added |
|3668|CCIP Read: Secure offchain data retrieval| N/A |
|4400|EIP-721 Consumable Extension| Added |
|4626|Tokenized Vaults| Added |
|4906|EIP-721 Metadata Update Extension| Added |
|4907|Rental NFT, an Extension of EIP-721| Added |
|5192|Minimal Soulbound NFTs| Added |
|5313|Light Contract Ownership| Added |
|5375|NFT Author Information and Consent| N/A |
|5484|Consensual Soulbound Tokens| Added |
|5528|Refundable Fungible Token| Added |
|5679|Token Minting and Burning| Added |
|5732|Commit Interface| Added |
|5750|General Extensibility for Method Behaviors| N/A |