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Sunday, November 8, 2026 · UTC
Crypto

Google estimates sub-500,000 qubit quantum computer could break Bitcoin cryptography

Estimate filed 17 October 2026 outlines the hardware threshold to compromise major blockchain security systems

Ivan Petrov
Crypto Reporter
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As of 2026-10-17 09:33 UTC. Market figures are as the cited sources reported them at that time and may have moved since. This is news, not investment advice.
Google has estimated a future superconducting quantum computer with fewer than 500,000 physical qubits could break the wallet cryptography used by Bitcoin and Ethereum. The estimate operates under a specific set of published hardware assumptions.[1]