By Isaac • October 17, 2026 7:27 pm •
Bitcoin does not have a quantum-computer problem today. It has a migration problem that could become urgent long before a machine is powerful enough to steal a single coin.
Nine crypto organizations have launched the Quantum Alliance to answer a question the industry has mostly left vague: What does “quantum-ready” actually mean, and how can anyone prove it?
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The timing matters. Bitcoin’s security still depends on elliptic-curve signatures.
Once a public key is exposed, a sufficiently capable quantum computer running Shor’s algorithm could theoretically calculate the corresponding private key.
That machine does not exist. The hard part is that upgrading a decentralized network, its wallets, custodians and users cannot happen overnight.
Decrypt reports that the new
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