Why is France requiring quantum-resistant encryption from 2027?

France is requiring quantum-resistant encryption because officials are concerned that future quantum computers could break current encryption standards. France's cybersecurity agency ANSSI said the policy is designed to address long-term security risks, including "harvest now, decrypt later" attacks.

What does France's new quantum policy mean for Bitcoin (CRYPTO)?

Bitcoin (CRYPTO) is not directly affected by France's policy, but the announcement highlights growing concern about quantum computing risks facing blockchain networks. Developers working on Bitcoin (CRYPTO) are already exploring quantum-resistant cryptographic solutions.

How is Ethereum (CRYPTO) preparing for quantum computing threats?

Ethereum (CRYPTO) has elevated quantum resistance as a priority through a dedicated post-quantum security team established by the Ethereum Foundation. The initiative is designed to help Ethereum (CRYPTO) prepare for future advances in quantum computing.

What is a "harvest now, decrypt later" attack?

A "harvest now, decrypt later" attack involves collecting encrypted data today with the expectation that future quantum computers will be able to decrypt it. France's ANSSI cited this risk when explaining its move toward quantum-resistant encryption standards.

What timeline are experts giving for quantum threats to blockchain networks such as Bitcoin (CRYPTO)?

Some researchers estimate that a cryptographically relevant quantum computer could emerge around 2030, although timelines vary. Industry groups focused on Bitcoin (CRYPTO) and other blockchain networks are using these projections to plan potential migrations to quantum-resistant cryptography.

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France sets 2027 quantum encryption deadline

Written by Jon CuthbertPublished Jun 18, 2026, 5:29 AM

France will stop certifying security products that lack quantum-resistant encryption from 2027.
Officials warned that future quantum computers could potentially decrypt data stolen and stored today.
The move adds urgency to efforts by cryptocurrency developers to prepare Bitcoin and blockchain networks for quantum-era security risks.

France's cybersecurity agency ANSSI announced it will stop certifying security products that do not use quantum-resistant encryption from 2027, marking a significant shift in the country's cybersecurity requirements.

The decision affects government agencies and critical infrastructure operators that rely on ANSSI certification and forms part of a broader plan encouraging organisations to adopt quantum-safe products by 2030.

“It's not only a technical issue,” said ANSSI Chief of Staff Samih Souissi.

ANSSI said the policy is intended to address future risks posed by quantum computing, including so-called "harvest now, decrypt later" attacks in which encrypted data is collected today for potential decryption once sufficiently powerful quantum computers become available.

The announcement has implications for the cryptocurrency sector, where developers are evaluating how Bitcoin (CRYPTO:BTC), Ethereum (CRYPTO:ETH) and other blockchain networks could transition to quantum-resistant cryptography, while no direct market reaction was reported following the policy update.

Recent industry initiatives include the Ethereum Foundation establishing a post-quantum security team, Coinbase creating a quantum advisory council and the Stellar Development Foundation outlining a roadmap to migrate Stellar (CRYPTO:XLM) toward quantum-safe cryptography.

Although estimates for the arrival of cryptographically relevant quantum computers vary, companies including Google and specialised quantum security firms have increasingly urged governments, enterprises and blockchain networks to begin preparing for a post-quantum security environment.

At the time of reporting, Bitcoin price was $63,812.32.

France sets 2027 quantum encryption deadline

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