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 ...

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 ...

As part of the QuNET project, researchers have demonstrated how quantum key distribution works reliably via hybrid and mobile channels. The results are milestones for sovereign, quantum-secured ...

In the era of instant data exchange and growing risks of cyberattacks, scientists are seeking secure methods of transmitting information. One promising solution is quantum cryptography—a quantum ...

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 ...

The study’s findings explain the effects of pointing error on quantum key distribution performance metrics, offering insights for improving real-world systems ...

The race to deploy quantum-level security has gone extra-terrestrial, and global companies in the financial sector should take note. A Singapore-based company named SpeQtral is leading the effort to ...

Quantum key distribution promises ultra-secure communication by using the strange rules of quantum physics to detect eavesdroppers instantly. But even the most secure quantum link can falter if the ...

Data drives business, and it must be protected. Cybersecurity is an ongoing, ever-evolving challenge for organizations across industries—and it’s about to become even more complex as the age of ...

SpeQtral, a leading quantum communication technology company, has chosen Kongsberg NanoAvionics (NanoAvionics) as the satellite bus provider for its upcoming SpeQtral-1 mission. The second partner in ...

Quantum is fundamentally complex and can be very confusing, even to those in the field.  The vast majority of people are not ...