Bitcoin Quantum Mining Research Report: Actual Costs Are "Astronomical," The Real Risk Lies in Signature Vulnerabilities

SmartContractAuditor · 2026-04-06T14:07:15+00:00

BTQ Technologies releases a research paper that quantitatively assesses the physical costs of quantum computing in Bitcoin mining, pointing out that the main threat to Bitcoin is attacks on digital signatures rather than quantum mining capabilities, and that a superhuman-level quantum computing cluster is required to influence consensus.

SmartContractAuditor

2026-04-06 14:07:15

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Odaily Planet Daily News: BTQ Technologies has published a research paper titled “Kardashev Scale Quantum Computing for Bitcoin Mining,” which is the first to quantitatively assess the end-to-end physical costs of using quantum computing for Bitcoin mining. The related research points out that the market has long been mixing up two kinds of quantum threats: (1) attacks targeting Bitcoin’s elliptic-curve digital signatures (realistic and urgent), and (2) quantum mining accelerated based on Grover’s algorithm (theoretically possible but with extremely high practical costs).

The research paper argues that to have a substantive impact on consensus, a quantum computing cluster must be built whose energy consumption far exceeds the level of current human civilization. The paper also proposes an open-source resource estimation model, covering key steps such as reversible double SHA-256 computation, fault-tolerant quantum error correction, and large-scale quantum-bid scheduling. The conclusion emphasizes that the more realistic risk Bitcoin faces comes from vulnerabilities in cryptographic signatures, not from quantum mining capability. (PRNewswire)

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