✉news BusinessCrypto first seen 5 h ago, last 16 min ago, peak #3
Quantum Attack on Bitcoin Now Needs Fewer Qubits, Study Says
Original: Bitcoin Quantum Attack Cost Halved to 1,151 Qubits [2026]
A new analysis claims the resources required for a quantum computer to break Bitcoin's cryptography have been cut roughly in half, to around 1,151 qubits. The figure renews debate over how soon quantum machines could threaten Bitcoin wallets and the broader crypto industry, and how urgently the network should move to quantum-resistant cryptography.
Why now: Fresh research lowering the estimated quantum resources needed to break Bitcoin's encryption has reignited security concerns in the crypto community.
Rank over time, top of the chart is #1. 5 snapshots from 5 h ago to 16 min ago.
Evidence
- Bitcoin Quantum Attack Cost Halved to 1,151 Qubits [2026] · shattered.io
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