What's up in

# quantum computing

## Latest Articles

### How Cryptography’s Quantum-Safe Future Will Work

Lattice cryptography promises to protect secrets from the attacks of far-future quantum computers.

### New Entanglement Results Hint at Better Quantum Codes

A team of physicists has entangled three photons over a considerable distance, which could lead to more powerful quantum cryptography.

### How Do You Prove a Secret?

Zero-knowledge proofs allow researchers to prove their knowledge without divulging the knowledge itself.

### ‘Post-Quantum’ Cryptography Scheme Is Cracked on a Laptop

Two researchers have broken an encryption protocol that many saw as a promising defense against the power of quantum computing.

### Computer Science Proof Unveils Unexpected Form of Entanglement

Three computer scientists have posted a proof of the NLTS conjecture, showing that systems of entangled particles can remain difficult to analyze even away from extremes.

### Quantum Algorithms Conquer a New Kind of Problem

Computer scientists have found a new type of problem that quantum computers can solve dramatically faster than their classical counterparts.

### Cryptographers Achieve Perfect Secrecy With Imperfect Devices

For the first time, experiments demonstrate the possibility of sharing secrets with perfect privacy — even when the devices used to share them cannot be trusted.

### Machine Learning Gets a Quantum Speedup

Two teams have shown how quantum approaches can solve problems faster than classical computers, bringing physics and computer science closer together.

### Computer Scientists Eliminate Pesky Quantum Computations

For years, intermediate measurements made it hard to quantify the complexity of quantum algorithms. New work establishes that those measurements aren’t necessary after all.