New academic research suggests fears about quantum computers breaking Bitcoin may be overblown. One study found that attempting to attack Bitcoin mining using a quantum computer would require energy comparable to that produced by a star, making it practically impossible with foreseeable technology.

Another paper took aim at widely publicized “quantum factoring breakthroughs,” claiming they could be replicated using a 1981 home computer — jokingly even “with a dog.” The authors argued that many quantum threat claims rely on unrealistic assumptions and don’t reflect real-world limits.

Together, the findings suggest quantum computing remains a long-term consideration rather than an immediate threat, with Bitcoin’s security still far beyond the reach of current or near-future quantum capabilities.
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