About Us
Tropic Square, a SatoshiLabs company, is a fabless semiconductor provider dedicated to redefining secure hardware through open architecture. We specialize in secure elements to deliver robust, audit-ready chips across industries prioritizing security.
With transparency at the core of our design philosophy, we invite customers, industry experts, and the open-source community to audit and validate our security implementations. Our open approach encourages collaboration, creating opportunities to collectively redefine and build best-in-class solutions for the future.
Our Team

John
Sirianni
20+ years in the semiconductor and cybersecurity industry. Has worked in Silicon Valley with focus in embedded systems security consultation, strategic commercialization, and leading international deep-tech scale ups. He is passionate about sovereignty, liberty & the use of governance protocols in human & machine ecosystems.
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Jan
Pleskac
20+ years in ASIC/FPGA design services. Has worked for Intel, Altera, S3 Group, and their customers with focus on consumer, avionics, 5G. and networking applications projects. He brings his experiences from the established chip industry to create a secure, transparent, yet auditable solution.
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Pavol
Rusnak
A pioneering cypherpunk, and avid supporter of open-source software and hardware. He believes open sourced tools are essential for protecting the power and independence of individuals.
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Marek
Palatinus
An industry visionary and innovator in the global cryptocurrency community. Also the founder of the world's first mining pool, SlushPool (now Braiins Pool).
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