Quantum key distribution (QKD) enables two parties to establish a shared secret key over an insecure channel with security guaranteed by the laws of quantum mechanics. Protocols such as BB84 and its ...

Quantum key agreement (QKA) protocols enable two or more remote parties to establish a shared secret key by exploiting fundamental quantum properties. Unlike quantum key distribution, in which one ...

MicroCloud Hologram Inc. has announced a groundbreaking proposal for a high-dimensional quantum key distribution (QKD) protocol that utilizes quantum Fourier transform and quantum-controlled NOT gate ...

To keep communications secure in a post-quantum world, cryptographers are digging down into the concept of cause and effect.

The German consortium QuINSiDa has achieved a major step toward mobile quantum-secure communication. They demonstrated a ...

Continuous-variable quantum cryptography has emerged as a significant branch of quantum cryptography, with continuous-variable quantum key distribution (CVQKD) at its core. However, compared to ...

Quantum networking is an underappreciated but potentially consequential dimension of U.S.-China quantum competition.

Terra Quantum has today revealed its TQ42 Cryptography library — an open-source suite of quantum-resistant algorithms designed to help developers and businesses protect data from current and future ...

A team of physicists has shown that quantum-encrypted keys can travel 75 miles through the same fiber-optic cable already ...

The rise of quantum computing poses both promise and peril for modern cryptography—and blockchains lie right at the crossroads. As machines become capable of shattering our current cryptographic ...

Quantum computers, systems that process and store information leveraging quantum mechanical phenomena, could eventually outperform classical computers on numerous tasks. Among other things, these ...

Quantum networking offers vast opportunities in secure communication, leveraging quantum entanglement to surpass traditional encryption. Its growth is driven by cybersecurity needs, government ...