---
title: "Ethereum Researchers Propose XMSS Public Key Registry for Quantum Security"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/288459875.md"
description: "Ethereum researchers proposed an XMSS public key registry to prepare validators for post-quantum cryptography. This initiative allows one million validators to pre-register quantum-secure keys before transitioning from BLS signatures, aiming to minimize network instability during the upgrade. Included in the Ethereum Foundation's roadmap, this marks the first protocol fork."
datetime: "2026-06-02T16:54:01.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/288459875.md)
  - [en](https://longbridge.com/en/news/288459875.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/288459875.md)
generator: "portal-rs"
---

# Ethereum Researchers Propose XMSS Public Key Registry for Quantum Security

Ethereum researchers, including Thomas Coratger and Justin Drake, have proposed the establishment of a dedicated XMSS public key registry. According to ChainCatcher, this proposal was published on the Ethereum Research Forum on June 1. The initiative aims to serve as the first concrete protocol upgrade for Ethereum's transition to post-quantum cryptography. The registry would allow approximately one million validators to pre-register quantum-secure XMSS keys before a full switch to the BLS signature system. This 'warm-up phase' is designed to minimize the impact on network stability during the subsequent transition. The proposal has been included in the Ethereum Foundation's protocol team's Strawmap roadmap and marks the first protocol fork on this roadmap.

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---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**