Is quantum computing a threat to bitcoin?

How advances in quantum computing intersect with bitcoin’s cryptography, why the risk is long-term rather than imminent, and how the network can adapt through post-quantum security.

What’s in the report?

A practical framework for understanding the relationship between quantum computing and bitcoin’s security—explaining what quantum breakthroughs would actually require and how the ecosystem could transition to quantum-resistant cryptography.

Why quantum computing is a technological journey rather than a sudden “Q-day” event

How bitcoin’s cryptography works and why most of the network is already resistant to quantum threats

Why current quantum systems lack the scale required to break bitcoin’s elliptic curve cryptography

How milestones in quantum development would unfold before bitcoin becomes vulnerable

What portion of bitcoin supply could theoretically be exposed to quantum attacks

A realistic outlook for investors on timelines, risks, and bitcoin’s ability to adapt

Marketing Disclosure: By downloading this article, you accept and opt into receiving marketing material from Unchained Capital, Inc. (along with all of its subsidiaries and affiliates, collectively “Unchained”). To opt out from communications from Unchained, please visit Unchained’s Opt-Out Page. For information about Unchained’s privacy and data protection policies and practices, please visit Unchained's Privacy page. You can view ARK Invest's website and white paper download here.

Marketing materials do not reflect the views and opinions of Unchained. Unchained does not provide tax, legal, or investment advice. Any recipient of these materials should consult with an attorney, tax accountant, or licensed financial advisor to obtain advice on any matters related to these marketing materials.