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TechQuantum computing breakthrough: 10,000 neutral-atom qubits enough to break encryption
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On March 30, 2026, two independent research teams significantly lowered the estimated resources needed to break current encryption standards using quantum computing. One team demonstrated that Shor's algorithm could run at cryptographically relevant scale with as few as 10,000 reconfigurable neutral-atom qubits. Separately, Google Quantum AI, in collaboration with the Ethereum Foundation and Stanford University, established a new threshold for breaking elliptic-curve encryption. These developments accelerate the timeline for 'Q-Day'—the point when quantum computers can break widely used public-key encryption protecting banking, communications, and classified traffic. The findings suggest that adversaries may already be collecting encrypted data (harvest now, decrypt later) in anticipation of quantum capabilities. The article highlights the growing urgency for organizations to transition to post-quantum cryptography standards.
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Somewhere, a hard drive is filling up with secrets no one can read yet, and its owner is waiting for the machine that opens them all at once. On March 30, 2026, that wait got shorter.
Two independent research teams lowered the public estimates for breaking the encryption that secures banking, communications, and classified traffic. One showed that Shor's algorithm — the quantum method for factoring the large numbers behind public-key encryption — could run at cryptographically relevant scale with as few as 10,000 reconfigurable neutral-atom qubits. Google Quantum AI, with the Ethereum Foundation and Stanford, put the threshold for breaking elliptic-curve encryption.
The post Before Q-Day: The Race to Quantum First appeared first on War on the Rocks.
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Before Q-Day: The Race to Quantum First