Switzerland, June 22 -- WISeKey International Holding Ltd, a global leader in cybersecurity, digital identity and IoT, announced that its subsidiary, WISe.ART, the trusted digital art marketplace has become the world's first hardware-authenticated art platform while its other subsidiary SEALSQ Corp. (NASDAQ: LAES) ("SEALSQ") that focuses on developing and selling Semiconductors, PKI, and Post-Quantum technology hardware and software products has been granted a landmark divisional patent by the European Patent Office (EPO) for its 'Back-to-Physical' NFT technology, the foundational IP that enables Non-Fungible Tokens to be provisioned directly into secure semiconductor chips, creating an immutable, hardware-rooted link between a digital asse...