Quantum race: RSA encryption could be broken with just 10,000 qubits

Two independent research teams published findings on March 30, 2026 lowering the estimated qubit count needed to break common encryption. One team showed Shor's algorithm 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 University, set the threshold for breaking elliptic-curve encryption used in banking and communications. The findings bring the so-called Q-Day — when quantum computers crack current security — measurably closer.

Should governments mandate a switch to quantum-resistant encryption now?

War on the Rocks · 9d ago · Source ↗

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Quantum race: RSA encryption could be broken with just 10,000 qubits

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