The first quantum key distribution (QKD) protocol, BB84, was introduced by American physicist Charles H. Bennett and Canadian cryptographer Gilles Brassard 1 in 1984. Over the past four decades, QKD ...

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 ...

Quantum key distribution (QKD) has been positioned as a physics-based method of securing encryption keys that cannot be intercepted without detection and as a critical technology for ensuring ...

The quest to create a useful quantum computer reached a significant milestone at the end of 2024 with Google's announcement of its Willow chip. The chip promises reduced noise and fewer errors as the ...

Quantum key distribution (QKD) is a secure communication method for sharing symmetric cryptographic keys based on the principles of quantum physics. Its integration into the fiber-optic network ...