Although quantum computing is still in its infancy, it could soon present a threat to Bitcoin and other proof-of-work consensus mechanisms, according to Amit Mehra, partner at Borderless Capital. Speaking at the Global Blockchain Congress Dubai 2025, Mehra explained that Borderless Capital is deeply exploring quantum computing and the development of quantum-resistant technologies.
He estimates that fully developed quantum computing capable of compromising Bitcoin’s cryptography is still years away—likely by the end of this decade. However, Mehra warns not to underestimate the speed of technological progress, citing recent advancements in chip technology and decentralized computing power. “Quantum computing is definitely a problem—if not imminent, then in the very near future,” he said.
Quantum computers leverage the principles of quantum mechanics to process information at speeds unattainable by classical machines. This capability could one day break the cryptographic safeguards protecting cryptocurrencies like Bitcoin, pressing the industry to adopt new post-quantum security standards.
Some experts see the urgency as even greater. Charles Edwards, founder of the Bitcoin-focused fund Carpriole, has called the situation an emergency requiring immediate action. On Oct. 15, he tweeted, “If Bitcoin doesn’t solve Quantum in the next year, Gold will keep outperforming it forever,” underscoring the need for rapid solutions.
Efforts to prepare for the quantum threat are underway beyond Bitcoin. For example, SUI Research recently introduced a cryptographic framework to protect several blockchain networks from quantum attacks without requiring disruptive upgrades. Yet, this solution does not currently extend to Bitcoin or Ethereum.
Meanwhile, governments recognize the importance of staying ahead of quantum advancements. Reports indicate that the U.S. Department of Commerce may invest in quantum computing research to safeguard national security and maintain competitive edges internationally.
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