Tech Insight : Ultra-Secure Quantum Communications Get Closer
Toshiba Europe has successfully sent quantum-encrypted messages across a record 254km of standard commercial fibre optic cable, marking a major step towards achieving real-world quantum-secure communications without relying on highly specialised hardware. A Record-Breaking Achievement Using Everyday Infrastructure Quantum cryptography has long promised unbreakable security, but practical challenges have kept it largely confined to laboratories. Quantum key distribution (QKD),…