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Bitcoin’s Quantum Threat Real but Not Immediate, Galaxy Digital Says
Galaxy Digital research head Alex Thorn emphasized that while quantum computing poses a real threat to Bitcoin, the current risk is limited. Only wallets with exposed public keys such as those reusing addresses or using older formats are potentially vulnerable. Analysis from Project Eleven suggests roughly 7 million BTC, worth around $470 billion, could fall under long exposure definitions, though most Bitcoin remains secure under today’s known quantum capabilities.

Galaxy Digital research head Alex Thorn emphasized that while quantum computing poses a real threat to Bitcoin, the current risk is limited. Only wallets with exposed public keys such as those reusing addresses or using older formats are potentially vulnerable. Analysis from Project Eleven suggests roughly 7 million BTC, worth around $470 billion, could fall under long exposure definitions, though most Bitcoin remains secure under today’s known quantum capabilities.
Developer Efforts Focus on Quantum-Resistant Solutions
Developers are actively working on solutions, including post quantum cryptography address types and phased upgrade proposals. These initiatives aim to allow safe migration of funds from at-risk wallets and limit attack surfaces in future transaction designs. Proposals also address edge cases like dormant coins with permanently exposed public keys, using mechanisms to mitigate systemic risk without disrupting the network.
Quantum Risk a Long-Term Technical Challenge
Thorn stresses that quantum computing should be treated as a long-term challenge rather than an immediate crisis. The number of actors capable of breaking modern cryptography remains very small, and Bitcoin’s open development model provides both the talent and time needed to respond. Investors are advised to monitor the risk but not avoid Bitcoin, as groundwork for quantum resilience is already underway.
Disclaimer
This content is for informational purposes only and does not constitute financial, investment, or legal advice. Cryptocurrency trading involves risk and may result in financial loss.
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Disclaimer
This content is for informational purposes only and does not constitute financial, investment, or legal advice. Cryptocurrency trading involves risk and may result in financial loss.
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About the author

8+ years covering crypto markets, macro, and geopolitics. Previously at Decrypt and CoinDesk. Focused on the intersection of digital assets and traditional finance.
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