Switzerland, March 30 -- WISeKey International Holding Ltd ("WISeKey"), a leading global cybersecurity, blockchain, and IoT company, today announces that its subsidiary WISeSat.Space Corp. ("WISeSat"), which specializes in space-technology and secure satellite communications for IoT applications, has successfully launched its 21st satellite this time equipped the QS7001 chip from its other subsidiary, SEALSQ Corp (Nasdaq: LAES) (SEALSQ") which focuses on semiconductors, PKI, and post-quantum technology products, into Low Earth Orbit (LEO) aboard a SpaceX Falcon 9 rocket.The WISeSat 4.0 satellite lifted off from Vandenberg Space Force Base in California during a 57-minute launch window as part of SpaceX's Transporter-16 rideshare mission, de...