SEALCOIN Unveils Major Milestones: From Satellite-Powered IoT Transactions toLaunch of Marketing Campaign Ahead of Token Sale Geneva, Switzerland, May 22, 2025 –WISeKey International Holding Ltd (“WISeKey”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity, blockchain, and IoT company, today announces that its subsidiary SEALCOIN AG, developing a decentralized platform powering secure, autonomous, real-time transactions between IoT devices, unveils a series of major milestones as it accelerates tow ...

WISeKey Confirms June Launch of Next-Generation WISeSat Satellite with SpaceX Featuring Encrypted Communications and SEALCOIN Integration Geneva, Switzerland, May 1, 2025 –WISeKey International Holding Ltd (“WISeKey”) (SIX: WIHN, NASDAQ: WKEY), a leading global cybersecurity, blockchain, and IoT company, today announces the upcoming launch of its next-generation WISeSat.Space satellite aboard a SpaceX mission in June 2025. This milestone marks a major technological step forward for WISeSat.Space’s secure s ...