Bitcoin Quantum Attack Cost Halved to 1,151 Qubits
The estimated qubit requirement to execute a quantum attack against Bitcoin has decreased to 1,151 qubits.

The computational threshold required to mount a quantum attack against Bitcoin ($BTC) has dropped significantly, with estimates now halving to 1,151 qubits according to a report published by Shattered.
Qubit Requirements Decline
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Quantum computing security benchmarks for the Bitcoin network have faced ongoing analysis as quantum hardware continues to evolve. The updated metric places the estimated attack cost at 1,151 qubits, marking a notable downward revision in the resource requirements previously associated with potential quantum threats to cryptographic protocols.
Key facts
- The estimated qubit cost for a Bitcoin quantum attack has dropped to 1,151 qubits.
- The finding was detailed in a report published by Shattered.
Source: news.google.com
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