https://www.yahoo.com/finance/news/scientists-made-first-apos-unhackable-134700466.html
Following extensive testing earlier this year, China has now deployed its quantum communications work in the form of the first ever quantum-safe video call. The call, between the Chinese Academy of Sciences and the Austrian Academy of Sciences, marks a secure communications breakthrough which will have a huge impact on the way sensitive information is shared between distant parties.
Уж не знаю, насколько она надежна, но сейчас это рекорд. Квантовые локаторы, как я предполагал, тоже радиусом в сто км не ограничатся.