ERC-8179 Blob Space Segments

DraftERCcreated 2026-02-081 later proposal build on itrequires EIP-4844

Minimal interface for declaring field element sub-ranges within EIP-4844 blobs

Authors: Vitalik Buterin (@vbuterin), Skeletor Spaceman (@skeletor-spaceman)

ERC-165 interface ids

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

`0x162e0825`	`declareBlobSegment(uint256,uint16,uint16,bytes32)`
`0xd05a5c48`	`declareBlobSegments((uint256,uint16,uint16,bytes32)[])`
`0x98e24187`	`getSegments(bytes32,uint256,uint256)`	view
`0xf35b9f89`	`segmentCount(bytes32)`	view

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

0x8ffe77c4b73fb6afce5e8d93ac6d787da361eb66d1e09163162f2e4592ea1843 BlobSegmentDeclared(bytes32,address,uint16,uint16,bytes32)

`0x2fe65e51`	`InvalidSegment(uint16,uint16)`
`0x004eac62`	`NoBlobAtIndex(uint256)`

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