WISeKey2026-06-11 10:00:52WISeKey’s SEALCOIN Secures $4 Million Strategic Investment for Space Economy Blockchain InfrastructureNasdaq-listed WISeKey International announced that its subsidiary SEALCOIN has received a $4 million strategic investment, with participation from The Hashgraph Group. The funding will be used to accelerate SEALCOIN’s integration into the space economy ecosystem and to build blockchain infrastructure using DePIN technology.520