Quantum Watermarking: Marking Quantum Data
Quantum watermarking embeds hidden marks in quantum data such as quantum images. Proposed techniques, their robustness and applications.
BasicsAlgorithmsHardwareError CorrectionCryptographyMachine LearningInformation TheoryPhysics & SimulationApplicationsIndustry & Careers
Tagged: Superposition
333 articles
Quantum Verifiable Secret Sharing, Explained
Verifiable quantum secret sharing lets participants check that their shares are consistent. Threshold schemes, security and implementations.
Quantum Authentication: Proving Identity With Qubits
Quantum authentication uses quantum states to verify identity or message integrity. Protocols, how they compare with classical ones and uses.
Quantum Random Number Generators (QRNG) in Devices
How quantum random number generator devices work, photonic and semiconductor designs, their entropy sources and uses in cryptography.
Discrete-Variable QKD: Single Photons in Practice
Discrete-variable QKD encodes bits in single-photon states such as polarization. The protocol steps, error rates, reconciliation and attacks.
Quantum Secure Function Evaluation, Explained
Quantum secure function evaluation lets parties compute a function on private inputs using quantum protocols. How it works and its limits.
Quantum Coin Flipping: Fairness Without Trust
Quantum coin flipping lets two distrustful parties toss a fair coin remotely. Strong and weak protocols, their bias bounds and applications.
Quantum Algorithmic Probability and Universal Priors
Quantum algorithmic probability extends Solomonoff’s universal prior and Kolmogorov complexity to quantum information. Ideas and uses.
Quantum Sampling Problems and Quantum Advantage
Sampling problems such as boson sampling and random circuit sampling were used to demonstrate quantum advantage. Why they are hard classically.
Quantum Speedup: The Four Kinds Worth Knowing
The main kinds of quantum speedup: exponential, polynomial, provable and heuristic, with Shor’s and Grover’s algorithms as examples.
Quantum Multi-Linear Systems and Tensor Equations
Multilinear systems and tensor equations in quantum computing: the algebra involved, tensor networks, circuits and uses in machine learning.
Quantum Linear Systems Solving: HHL and After
Quantum algorithms for linear systems, from HHL to later improvements: how they work, their caveats and applications in science and finance.
