Quantum computing in 2026: No crypto doomsday, but time to prepare
Quantum computing won’t break Bitcoin in 2026, but the growing practice of “harvest now, decrypt later” is pushing the crypto industry to prepare sooner rather than later.
Quantum computing has long been viewed as a threat to cryptocurrencies, a technology that could one day crack the cryptography securing Bitcoin and other blockchains. In 2026, that fear is resurfacing as major tech firms accelerate quantum research and investment.
While the technology is not yet ready for widespread use, the pace of investment and experimentation has gained traction. In February, Microsoft unveiled its Majorana 1 chip, which the company dubbed “the world’s first quantum chip powered by a new Topological Core architecture,” rekindling debate about how quickly quantum hardware might move from research into real-world systems.
However, despite growing attention, most experts say the risk to crypto remains theoretical, not imminent. The real concern, they argue, is not a sudden cryptographic collapse next year, but what attackers are already doing today to prepare for a post-quantum future.
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