Switzerland, April 22 -- WISeKey International Holding Ltd, a leading global cybersecurity, blockchain, and IoT company, announces that its subsidiary, SEALCOIN AG, Swiss-headquartered DEPIN (Decentralized Physical Infrastructure Network) entity revolutionizing the Internet of things and machine to machine economies' landscape, with strategic funding and technical support from The Hashgraph Association, today announced the launch of "Spacedrop", an early-access onboarding initiative that allows users to interact directly with the SEALCOIN ecosystem ahead of its broader rollout.Unlike traditional Web3 airdrops designed to drive short-term speculation, Spacedrop is a structured onboarding experience focused on introducing participants to SEAL...