✉news BusinessCrypto first seen 17 h ago, last 41 min ago, peak #3
Bitcoin Quantum Attack Cost Halved to 1,151 Qubits
Original: Bitcoin Quantum Attack Cost Halved to 1,151 Qubits [2026]
A new estimate puts the quantum computing resources needed to break Bitcoin's cryptography at 1,151 qubits, roughly half of earlier figures. The claim suggests quantum computers could threaten Bitcoin's signatures sooner than assumed, reviving debate about how urgently the network should move to quantum-resistant cryptography.
Why now: Falling qubit estimates raise fresh concerns that quantum computers could soon threaten Bitcoin's security, a hot topic in crypto circles.
Evidence
- Bitcoin Quantum Attack Cost Halved to 1,151 Qubits [2026] · shattered.io
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