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Defines the format for chain-specific ENS names using <name>@<label>, where the label is a human-readable chain identifier from the on.eth namespace (e.g. ens.eth@ethereum, ens.eth@base). Implements the ENS component of ERC-7828. Chain labels resolve to ERC-7930 Interoperable Addresses via ENSIP-24's interoperable-address data key on <label>.on.eth. Co-authored-by: Cursor <[email protected]>
Co-authored-by: Cursor <[email protected]>
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Description
This PR adds ENSIP-27, which defines the ENS format for Interoperable Names from ERC-7828.
Format
<name>@<label>— e.g.ens.eth@ethereum,ens.eth@base<name>: ENS name<label>: Human-readable chain label from theon.ethnamespaceResolution
Chain labels resolve to ERC-7930 Interoperable Addresses via ENSIP-24: the
interoperable-addressdata record on<label>.on.eth(e.g.ethereum.on.eth→0x00010000010100).Rationale
ENS names alone do not indicate which chain an address resolves to. With many L2s using the same address format, this can lead to funds being sent to the wrong chain. The
<name>@<label>format provides a clear way to specify both the ENS name and the target chain.