New research from Google indicates that Bitcoin‘s elliptic-curve cryptography could potentially be compromised using approximately 500,000 qubits. This figure is significantly lower than older estimates had suggested, raising fresh concerns about the long-term security of the world’s largest cryptocurrency. However, quantum computers capable of reaching that qubit threshold do not currently exist.
The findings have drawn attention to the gap between present quantum computing capabilities and the scale required to pose a genuine threat to Bitcoin’s encryption. Researchers and security experts have long debated the timeline for when, or whether, such machines might become a practical reality. Google’s updated estimate has nonetheless reignited discussion about the vulnerability of existing cryptographic standards.
In response to the renewed focus on quantum security risks, tokens designed to be resistant to quantum computing attacks have recorded notable short-term price gains. QRL, a quantum-resistant ledger token, rose by approximately 50%, while Cellframe, another quantum-aware project, gained around 40%. These movements reflect growing trader interest in projects that position themselves as long-term security solutions.
The price activity in quantum-resistant tokens suggests that market participants are beginning to price in, at least speculatively, the possibility of future cryptographic vulnerabilities. While the gains are short-term in nature, they highlight a segment of the cryptocurrency market that has attracted renewed attention following Google’s research. Whether this interest translates into sustained demand remains to be seen.
The broader implications of quantum computing for blockchain security continue to be a subject of active research and debate across the technology and financial sectors. Bitcoin’s current encryption relies on mathematical problems that classical computers cannot solve efficiently, but sufficiently powerful quantum machines could theoretically change that calculus. The development of quantum-resistant cryptographic standards is already underway in various research communities as a precautionary measure.
Originally reported by CoinDesk.
