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EIP-8070 eth/72 - Sparse Blobpool

ReviewNetworkingcreated 2025-10-29requires EIP-4844, EIP-7594, EIP-7870, EIP-8159

Introduce custody-aligned sampling in the EL blobpool to vacate bandwidth

Authors: Raúl Kripalani (@raulk), Bosul Mun (@healthykim), Francesco D'Amato (@fradamt), Csaba Kiraly (@cskiraly), Felix Lange (@fjl), Marios Ioannou (@mariosioannou-create), Alex Stokes (@ralexstokes), Kamil Salakhiev (@kamilsa)

Depends on (4)

Proposals this one names in its requires field.

EIP-4844Shard Blob TransactionsEIP-7594PeerDAS - Peer Data Availability SamplingEIP-7870Hardware and Bandwidth RecommendationsEIP-8159eth/71 - Block Access List Exchange

What the specification covers

AbstractMotivationSpecificationExecution clients :: devp2p changesExecution clients :: Blobpool behaviorExecution clients :: Local block buildersEngine API extensionsParametersRationaleParameter selectionReliability frameworkBackwards CompatibilityTest CasesSecurity ConsiderationsAttack scenarios and threat modelPeer disconnection policiesThe need for sampling noiseNo normative peer scoringdevp2p message schema choicesOpen pointsCopyright

This proposal declares no Solidity interface, so there is nothing to compute. It may be a core protocol change, a meta proposal, or written in prose only.

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