14/03/2025
China has achieved a major breakthrough in secure communication by deploying a "quantum satellite" that connects Beijing and South Africa, spanning 12,800 km (7,954 miles). This marks the first time a quantum key distribution (QKD) link has been tested in the southern hemisphere.
The technology, designed to be hacker-proof, uses the principles of quantum mechanics to share secret keys between parties — making it nearly impossible to intercept sensitive information.
China launched its first quantum satellite, Mozi, in 2016 and previously tested secure "quantum calls" between China and Austria in 2017. This latest test, led by Professor Yin Juan, shows real-time communication between quantum micro-nano satellites and mobile ground stations.
With plans to launch an operational quantum communication network by 2027, China aims to create a BRICS-wide system, connecting Brazil, Russia, India, China, and South Africa.
Despite the high-tech nature of quantum security, Professor Yin emphasized the need for global cooperation in advancing this technology.