Google Quantum AI Breakthrough Makes 2048-bit RSA Encryption 20 Times Easier to Break in One Week, Threatens Bitcoin Within Five Years

Google's Quantum AI team has announced a major breakthrough in quantum computing, demonstrating that a quantum computer with one million noisy qubits running for one week could theoretically break 2048-bit RSA encryption. This advancement represents a 20-fold improvement over estimates from five years ago, significantly accelerating the timeline for when quantum computers might compromise current encryption standards. The breakthrough involves reducing the required physical qubit count from 20 million to one million through innovations such as yoked surface codes, magic state cultivation, and efficient arithmetic. Experts warn that this development poses an existential threat to digital assets like Bitcoin, emphasizing the urgent need to adopt quantum-safe cryptography within approximately five years. The findings highlight the growing quantum threat to secure public key cryptography algorithms and underscore the importance of enhancing post-quantum infrastructure to protect wallets and blockchain technologies.

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