Galaxy Digital’s Head of Research, Alex Thorn, has issued a stark warning about the underestimated threat that quantum computing poses to Bitcoin.
In a recent post on social media, Thorn cautioned that the crypto industry may not be taking the risk seriously enough, stating plainly: “Quantum computing is a bigger threat to Bitcoin than many think.”
Why the Alarm?
While advancements in quantum computing still appear to be years away from practical implementation, the potential consequences for blockchain security — particularly Bitcoin’s — are severe. Bitcoin’s security model relies heavily on cryptographic techniques like ECDSA (Elliptic Curve Digital Signature Algorithm), which secures wallets and transactions. These algorithms, while currently secure against classical computing methods, could be rendered vulnerable to quantum attacks using Shor’s algorithm — a quantum method capable of breaking cryptographic keys.
If a sufficiently powerful quantum computer were developed, it could theoretically reverse engineer private keys from public Bitcoin addresses. This would allow malicious actors to forge signatures and spend BTC that doesn’t belong to them — completely undermining the integrity of the blockchain.
What’s at Stake for Bitcoin?
The crypto community has discussed the need for “quantum-resistant” algorithms, but progress has been slow and the topic often brushed aside. Thorn’s warning highlights the urgent need for more investment and innovation in post-quantum cryptography. Without it, Bitcoin could eventually face unprecedented security vulnerabilities.
The big takeaway? Bitcoin’s long-term survival may hinge on how soon the industry starts preparing for the quantum era — not just with hype, but with actionable defense strategies.
Kosta Gushterov
Reporter at Coindoo
Kosta has been a part of the team since 2021 and has solidified his position with a thirst for knowledge, incredible dedication to his work and a “detective-like” mindset. He not only covers a wide range of trending topics, he also creates reviews, PR articles and educational content. His work has also been referenced by other news outlets.
Source: https://coindoo.com/galaxy-research-chief-warns-quantum-computing-could-threaten-bitcoin/