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EIP-7956 Tx Ordering via Block-level Randomness

StagnantCorecreated 2025-05-24requires EIP-7998

Decreasing MEV attacks by forcing a deterministic transaction ordering via block-level randomness.

Author: Aryaethn (@aryaethn)

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Proposals this one names in its requires field.

EIP-7998Turn `randao_reveal` into a VRF

What the specification covers

AbstractMotivationReferencesSpecificationSlot Randomness RBuilder FlowConsensus RulePerformanceDeploymentAdded ParametersFork ParametersActivation FlowRationaleWhy randomness‑driven ordering?Why XOR as the mixing function?Why allow builders to curate the candidate set first?Why a secondary key H(tx) for tie‑breaking?Why optional bundles instead of implicit nonce‑chain folding?Why the "fit‑or‑skip" bundle rule?Why the version flag + transition window?Backwards CompatibilitySecurity ConsiderationsRandomness Bias & RANDAO ManipulationHash GrindingTie CollisionsBundle Gas ConsistencyResidual MEV VectorsCopyright

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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