SEALSQ and Quobly Execute $5M Commercial Accord to Embed Post-Quantum Cryptography in Silicon Quantum Processors

SEALSQ Corp has entered into a $5 million commercial agreement with Quobly to integrate post-quantum cryptography into silicon quantum processors. This partnership, initiated in November 2025, aims to embed quantum-resistant cryptographic protocols into Quobly's silicon-based quantum hardware. The deal follows Quobly's significant €115 million Series A funding round and marks a crucial step in the deployment of post-quantum cryptography solutions. As quantum computing advances threaten to compromise current cryptographic standards, this collaboration underscores the growing urgency to adopt post-quantum cryptography, such as lattice-based or code-based cryptography, to ensure long-term security. The integration of post-quantum cryptography into silicon quantum processors is expected to provide a robust defense against potential quantum attacks, making it a critical development for organizations reliant on secure data transmission¹. This partnership highlights the increasing importance of post-quantum cryptography planning for practitioners, as the timeline for cryptographic migration continues to narrow.