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 ...

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 ...

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 ...

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 ...

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

A new method to distribute cryptographic keys using terahertz waves could help enable secure communication in the ...

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

Russian scientists have developed a software and hardware complex for secure data transmission in 4G/5G mobile networks based ...

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

The new DST Task Force report on making India’s digital ecosystems quantum-safe is a product of contemplating a threat that is both long-term and urgent. Today, public-key cryptography underpins ...

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