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- 1Bitcoin Quantum Attack Estimate Halved to 1,151 Qubits▼Bitcoin Quantum Attack Cost Halved to 1,151 Qubits [2026]
New research suggests breaking Bitcoin's cryptography could require as few as 1,151 logical qubits, roughly half the previously estimated cost of a quantum attack. The revised figure intensifies debate over how soon quantum computers could threaten Bitcoin's elliptic curve signatures and whether the network should migrate to quantum-resistant cryptography before it is too late.
- 2New Quantum Codes Handle Qubit Loss and Gain●Quantum Codes Correct Errors Even With Qubit Loss Or Gain
Researchers have developed quantum error-correcting codes that remain effective even when qubits are lost or unexpectedly added to a system, according to a report by Quantum Zeitgeist. This addresses a key challenge in quantum computing, where hardware instability and fluctuating qubit counts can corrupt calculations. The codes could improve the reliability of future quantum machines.