Hash-Chain RANDAO

Status history

1. Draft5 Jul 2026

Abstract

Replace the BLS-signature-based Random Decentralized Autonomous Organization (RANDAO) reveal with a hash-chain commit-reveal scheme. RANDAO's resistance to grinding currently relies on BLS signatures being unique, so that a proposer cannot bias its contribution. Since BLS relies on pre-quantum hardness assumptions, a quantum computer can recover a validator's key and predict its future reveals. A…