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Quantum machine could solve the elliptic curve discrete logarithm problem using significantly fewer resources than previously assumed.
Google's new research shows fewer than 500,000 physical qubits could break Bitcoin's encryption.
KEY POINTS
- Two quantum circuit designs require under 1,500 logical qubits and millions of gate operations for attacks.
- Quantum computations to break secp256k1 could be completed within minutes on advanced hardware.
- Google used zero-knowledge proofs to disclose findings without revealing sensitive implementation details.
- Researchers recommend early transition to post-quantum cryptography for blockchain security.
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