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Abstract
A unified multidimensional fee market is introduced, where each transaction specifies the maximum amount of ETH it is willing to pay for inclusion using a single max_fee. Upon inclusion, the protocol ensures that the transaction is able to pay the gas for all dimensions, treating the max_fee as fungible across resources. This enables a more efficient use of capital, and enshrines the same representation that users have when they interact with Ethereum. The fee market is further unified in terms of a single update fraction under a single fee update mechanism, generalized reserve pricing, and a gas normalization that retains current percentage ranges while keeping the price stable whenever a gas limit changes. Calldata is proposed as the first resource to be added, with avenues for facilitating gas fungibility for EVM resources considered for further expansion.