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ERC-7831 Multi-Chain Addressing

DraftERCcreated 2024-08-30requires ERC-55, ERC-137, EIP-155, ERC-165, ERC-2304

Textual representation of an address and a chain.

Author: Sam Wilson (@SamWilsn)

ERC-165 interface ids

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

ChainMetadata0x78d37da0

Functions this standard introduces (3)

0xfdb0469aacceptsName(bytes32)view
0x9a8a0592chainId()view
0x1fe93ea8coinType()view

Depends on (5)

Proposals this one names in its requires field.

ERC-55Mixed-case checksum address encodingERC-137Ethereum Domain Name Service - SpecificationEIP-155Simple replay attack protectionERC-165Standard Interface DetectionERC-2304Multichain address resolution for ENS

What the specification covers

AbstractMotivationWhy not ENS with [ERC-2304]?SpecificationDefinitionsSyntaxLocal PartHexadecimal AddressENS-Like NamesChain PartRoot PartResolutionRoot ChainTarget ChainLocal AddressHexadecimalENS-LikeBridge InterfaceChecksumRationaleComponent OrderSeparator ChoiceAlternative: @Alternative: /Target Chain as SubdomainBackwards CompatibilityTest CasesENS ConfigurationMainnet (1)Sepolia (11155111)Inputs & Expected OutputsValidInvalidReference ImplementationSecurity ConsiderationsUnicode & Typosquatting AttacksCopyright

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