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Tuesday, October 20, 2026Updated 01:23 UTC

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Smashed Quantum Computing Record Raises Stakes for Bitcoin Security

Source: Bitcoin News · Oct 19, 2026 21:55 UTC

Pile of physical souvenir Bitcoin coins — File photo antanacoins / Flickr · CC BY-SA 2.0 · Source

The Quick Take

Quantum computing firm Quantinuum has announced a major breakthrough in error correction, achieving a record 99.9995% logical fidelity that it says strengthens its path toward a commercially viable, fault-tolerant quantum computer by 2029. The advance comes amid mounting concerns that increasingly powerful quantum machines could eventually undermine the cryptography protecting bitcoin and other cr

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