Ethereum Builds Team To Guard Against Quantum Threat

bitcoinistPublished on 2026-01-25Last updated on 2026-01-25

Abstract

The Ethereum Foundation has formed a new Post-Quantum (PQ) team, led by Thomas Coratger, to prepare the network for potential quantum computing threats. The team, which includes cryptographers and engineers, is transitioning from research to practical testing on devnets. Their work involves developing quantum-safe tools and testing new algorithms while ensuring current transactions remain unaffected. A $2 million prize pool has been announced to encourage improvements in quantum-resistant solutions, including $1 million dedicated to enhancing the Poseidon hash function. Multi-client devnets are already active, with biweekly research sessions and a Post-Quantum Day planned for March 2026. Although the quantum risk is not immediate, Ethereum is proactively addressing it to ensure a smoother transition and better protect users and the network. Community reactions are mixed, with some praising the initiative while others express concerns about implementation and wallet upgrades.

Reports say the Ethereum Foundation has started a new team to prepare the network for possible quantum computer attacks. These machines could one day break the math behind wallets and signatures. The team’s work is moving from research into practical tests and experiments, which has drawn attention across the crypto community.

Ethereum Launches Post-Quantum Team

Based on reports, Thomas Coratger will lead the effort. The team includes cryptographers and engineers already testing new systems on devnets. Some work ties into a project called leanVM and a researcher named Emile, who focuses on building simple quantum-safe tools. The goal is to test new algorithms in real software while keeping current transactions running smoothly.

$2 Million In Prizes Encourage Development

A $1 million prize has been set for improvements to the Poseidon hash function. Another $1 million prize supports broader post-quantum research. In total, roughly $2 million are being offered to labs and independent developers to design and test quantum-resistant solutions. Reports say this funding is meant to speed up work and show what can realistically replace current signatures.

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Early Tests And Community Involvement

Multi-client devnets are already active. Developers are experimenting with new signature types to see what works and what fails. Biweekly sessions led by researchers like Antonio Sanso let teams share results and update code. A Post-Quantum Day is scheduled for March 2026 before ETHCC, with a larger event planned in October 2026 to show progress and plan next steps.

Quantum computers could, in theory, break the ECDSA and secp256k1 schemes used today. That risk is not immediate but serious enough that Ethereum is acting now. Reports note users should watch for official guidance, follow wallet updates, and avoid reusing addresses once upgrades roll out.

Community reaction has been mixed. Some online discussions praised the careful planning, while traders noticed a small dip in ETH price. Others questioned how upgrades would reach millions of wallets and what happens to old keys. The Foundation’s approach is to test solutions early so users and services are better protected when changes happen.

This step is part of Ethereum’s long-term plan for safety. Tests will continue, standards will be debated, and progress will be shared publicly. By acting now, Ethereum aims to reduce risk and make future transitions smoother for everyday users and the network as a whole.

Featured image from Unsplash, chart from TradingView

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Related Questions

QWhat is the main purpose of the new team formed by the Ethereum Foundation?

AThe main purpose is to prepare the Ethereum network for possible quantum computer attacks by developing and testing quantum-resistant solutions.

QWho is leading the new Post-Quantum team at the Ethereum Foundation?

AThomas Coratger is leading the new Post-Quantum team.

QHow much total prize money is being offered to encourage post-quantum development?

AA total of $2 million in prizes is being offered, with $1 million for improvements to the Poseidon hash function and another $1 million for broader post-quantum research.

QWhat is one of the current cryptographic schemes that quantum computers could theoretically break?

AQuantum computers could theoretically break the ECDSA and secp256k1 cryptographic schemes that are used today.

QWhat is one piece of advice the article gives to users regarding future upgrades?

AThe article advises users to watch for official guidance, follow wallet updates, and avoid reusing addresses once the quantum-resistant upgrades are rolled out.

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