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Google Announces Quantum Computing Breakthrough Amid Bitcoin Security Concerns
Google Quantum AI announced a quantum computing breakthrough demonstrating magic state cultivation on its Willow processor. The technique achieved a 40-fold reduction in errors compared to unrefined states and reached 99.99% logical fidelity for T-states. This advancement addresses key bottlenecks toward developing fault-tolerant quantum computers capable of scaling. The achievement highlights growing concerns regarding Q-Day, when quantum machines could eventually threaten Bitcoin's cryptographic security. Previous research suggested quantum attacks could potentially compromise approximately 6.9 million BTC associated with exposed public keys.