Switzerland, June 25 -- WISeKey International Holding Ltd ("WISeKey"), a leading global cybersecurity, blockchain, and IoT company, announces that its subsidiary, WISeSat.Space, a provider of secure satellite communications and space infrastructure, signed a strategic collaboration agreement with Astrocast, a Swiss-based nanosatellite IoT network operator, under which WISeSat will be gaining access to the operational satellite constellation of Astrocast. This collaboration significantly expands WISeSat's existing operational satellite connectivity as Astrocast operates one of the largest LEO satellite networks in Europe.This agreement marks a major step in WISeSat's mission to build a fully sovereign and secure European space ecosystem, ali...