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EIP-8296 Fixed-Cutoff State Tiering

DraftCorecreated 2026-06-10requires EIP-2929, EIP-7702, EIP-7825, EIP-8037, EIP-8038, EIP-8188

Surcharges writes to state unmutated since a fixed cutoff block

Author: Wei Han Ng (@weiihann)

Depends on (6)

Proposals this one names in its requires field.

EIP-2929Gas cost increases for state access opcodesEIP-7702Set Code for EOAsEIP-7825Transaction Gas Limit CapEIP-8037State Creation Gas Cost IncreaseEIP-8038State-access gas cost updateEIP-8188Last-Written Block for Accounts and Slots

What the specification covers

AbstractMotivationSpecificationParametersTier DeterminationTiered Write CostsState Creation Is Not TieredDisambiguation from EIP-2929 warm/coldShared File Format for the Inactive SetRationaleWhy a single cutoff instead of rolling periods?Why keep Inactive state in the state root?Why surcharge writes?Why a shared file format?Renewal gamingBackwards CompatibilityTest CasesSecurity ConsiderationsHot-set inflation between cutoff bumpsWrite-inactivity is not read-inactivityChoosing the cutoffCopyright

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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