web3wagmi
← All standards

EIP-8099 MEVless Protocol

DraftCorecreated 2025-09-25

A protocol that prevents MEV attacks by constraining transaction ordering through blind sequencing and two-phase block execution.

Author: Lawliet Chan (@lawliet-chan)

What the specification covers

AbstractMotivationSpecificationProtocol OverviewBlock TypesSequencing BlocksExecution BlocksTransaction FlowPhase 1: Transaction Submission and SequencingPhase 2: Transaction Content Submission and ExecutionGas EconomicsPrepayment StructureGas Cost CalculationRationaleWhy Blind Sequencing?Why Two-Phase Blocks?Why Random Block Production is Critical?Backwards CompatibilityTest CasesBasic Transaction FlowMEV Attack PreventionSecurity ConsiderationsCopyright

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.

Compare with

Parsed from the canonical specification · discussion