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EIP-7999 Unified multidimensional fee market

DraftCorecreated 2025-08-04requires EIP-1559, EIP-2718, EIP-4844, EIP-7516, EIP-7691, EIP-7840, EIP-7918

Let transactions specify one aggregate `max_fee` budget for all resources, unify fee markets, normalize gas, and generalize EIP-7918.

Authors: Anders Elowsson (@anderselowsson), Vitalik Buterin (@vbuterin), Maria Silva (@misilva73)

Depends on (7)

Proposals this one names in its requires field.

EIP-1559Fee market change for ETH 1.0 chainEIP-2718Typed Transaction EnvelopeEIP-4844Shard Blob TransactionsEIP-7516BLOBBASEFEE instructionEIP-7691Blob throughput increaseEIP-7840Add blob schedule to EL config filesEIP-7918Blob base fee bounded by execution cost

What the specification covers

AbstractMotivationSpecificationParametersNew transaction typeBlock processing and transaction feesBlock structureGas accountingCALLDATABASEFEE instructionCensorship resistanceRationaleWhy go multidimensional?User experienceEconomic efficiencyPriority feeUnified gas accounting, normalization, and reserve pricing mechanismWallet fee estimation logicBlock buildingThe calldata resourceByte sizesCensorship resistanceReserve priceRelationship to previous EIPs and other resourcesExpansion paths for multiple EVM resourcesEVM without gas observabilityEVM that retains gas observabilityTransaction types under multiple EVM resources with non-deterministic limitsMultidimensional gas meteringMultidimensional fee market with aggregate EVM gasMultidimensional fee market with hybrid EVM gasSpecification for aggregate and hybrid EVM gasBackwards 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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