"Researchers estimate that a sufficiently advanced quantum system could execute the attack using fewer than 500,000 physical qubits, a roughly 20-fold reduction from earlier projections that stretched into the millions."
"Under ideal conditions, a cryptographically relevant quantum computer could derive a private key from a broadcast transaction in roughly nine minutes, leading to a 41% chance of successfully hijacking a transaction before confirmation."
"The Google paper outlines two paths: a low-qubit design using under 1,200 logical qubits and a low-gate version requiring about 1,450 logical qubits, both dramatically compressing the computational burden."
A new white paper from Google Quantum AI indicates that breaking elliptic curve cryptography, essential for Bitcoin and Ethereum, may need significantly fewer quantum resources. The report details optimized implementations of Shor's algorithm targeting the elliptic curve discrete logarithm problem. Researchers estimate that an advanced quantum system could execute the attack with fewer than 500,000 physical qubits. The paper outlines two paths for implementation, compressing the computational burden and making the threat plausible within the next decade. Real-time transaction interception poses a significant risk, with a 41% chance of hijacking a transaction before confirmation.
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