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EIP-8046 Uniform price auction over inclusion lists

DraftCorecreated 2025-10-16requires EIP-7805

Ensure IL transactions that offer a higher ranking fee than competing transactions are included in the block. Burn the marginal ranking fee.

Author: Anders Elowsson (@anderselowsson)

Depends on (1)

Proposals this one names in its requires field.

EIP-7805Fork-choice enforced Inclusion Lists (FOCIL)

What the specification covers

AbstractMotivationSpecificationNew transaction format and ranking feeTransaction processingAltered FOCIL post-execution inclusion checkCheck on the marginal ranking feeRationaleUpdated inclusion checkConservative balanceRetained FOCIL check in non-full blocksCompute requirements for (2b) and (3b)Auction designMultidimensional UPILCensorship resistance under FOCIL and UPILMultidimensional fee marketCurrent fee marketCurrent fee market with "slow transactions"Multidimensional gas meteringTransaction inclusion and MEVAlternative specifications for rewarding includersOut-of-protocol inclusion feesIn-protocol inclusion fee sourcesMechanisms for distributing inclusion fees in-protocolAlternative specifications for the auction and transaction formatOmit the new transaction format with its added ranking fee fieldPay-as-you-bid auctionPay-as-you-bid auction using only priority feeAllow builder to shift priority fee under UPILUPIL batch auctionsBackwards CompatibilitySecurity 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.

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