DECRYPT · 2026-10-15 21:46 UTC

Google Says It Just Cracked One of Quantum Computing's Biggest Bottlenecks

Google's Quantum AI demonstrated that magic state cultivation technique reduced errors by 40-fold on its Willow chip, achieving 99.99% fidelity for magic states. Magic states are critical resources for quantum computing that previously consumed up to 95% of a quantum computer's capacity; cultivation offers a cheaper alternative to traditional distillation methods. The breakthrough supports Google's 2025 estimate that RSA-2048 encryption could be broken with under a million noisy qubits, down from 20 million estimated in 2019.

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