SoftBank Corp. and Toshiba Digital Solutions Corporation announced they started collaborating to realize a Quantum Secure Network for Beyond5G/6G, and successfully completed a field experiment for inter-site communication with a QKD (Quantum Key Distribution) and VPN (Virtual Private Network) connection.

・Press Release
https://www.softbank.jp/en/corp/news/press/sbkk/2023/20230920_01/