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Advancements in quantum computing, such as Google’s Willow chip, pose a threat to today’s means of encryption, University of Kent lecturer Carlos Perez-Delgado argued. For Bitcoin, protecting ...
It's time the crypto community faced up to the challenge of super-computing to their networks, says CoinDesk's chief content officer.
Post-quantum cryptography (PQC), sometimes referred to as quantum-proof, quantum-safe, or quantum-resistant, is the development of cryptographic algorithms (usually public-key algorithms) that are currently thought to be secure against a cryptanalytic attack by a quantum computer.
By Bruce Ng Ever since Bitcoin was created, the perennial question, asked by skeptics and advocates alike, could be condensed into four simple words: Can Bitcoin be hacked? The perennial answer ...
Quantum processors are difficult to compare due to the different architectures and approaches. Due to this, published physical qubit numbers do not reflect the performance levels of the processor. This is instead achieved through the number of logical qubits or benchmarking metrics such as quantum volume , randomized benchmarking or circuit ...
Unlike more widely used and known public-key schemes such as the RSA, Diffie-Hellman or elliptic-curve cryptosystems — which could, theoretically, be defeated using Shor's algorithm on a quantum computer — some lattice-based constructions appear to be resistant to attack by both classical and quantum computers.
The book is suitable as an introduction to quantum computing for computer scientists, mathematicians, and physicists, requiring of them only a background in linear algebra and the theory of complex numbers, [2] [3] although reviewer Donald L. Vestal suggests that additional background in the theory of computation, abstract algebra, and information theory would also be helpful. [4]
Bitcoin’s magic doesn’t lie in market value or institutional approval; it lies in its defiance, its ability to offer a financial system free from the grasp of governments and corporations.