EIP Radar
@ 41a838d ·
EIP-8058

Contract Bytecode Deduplication Discount

Reduces gas costs for deploying duplicate contract bytecode via access-list based mechanism

DraftSplurge

Status history

  1. Draft22 Oct 2025

Abstract

This proposal introduces a gas discount for contract deployments when the bytecode being deployed already exists in the state. By leveraging EIP-2930 access lists, any contract address included in the access list automatically contributes its code hash to a deduplication check. When the deployed bytecode matches an existing code hash from the access list, the deployment avoids paying…

Created
22 Oct 2025
Authors
Carlos Perez, Wei Han Ng, Guillaume Ballet
Upgrades
Not listed in any upgrade
Requires
EIP-2930
Required by
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