ZeroRISC Gets $10 Million Funding, Says Open-Source Silicon Security ‘Inevitable’

By Nitin Dahad, EETimes | June 18, 2025

There is often skepticism around the concept of open-source silicon, especially when it comes to security, according to Dominic Rizzo, CEO and founder of ZeroRISC.

We had a chance to catch up with Rizzo last week as the company announced its latest funding round of $10 million, led by Fontinalis Partners (whose other portfolio companies tackle embedded automotive security, AI transformer chips and clean power circuits), as well as Analog Devices co-founder Ray Stata and the SemiAnalysis founder Dylan Patel.

“There’s not enough inherent understanding about open silicon,” Rizzo said. “But open silicon is inevitable, and at a certain maturity level now, especially with publicly disclosed implementations by companies like Nuvoton and Rivos.”

He explained that security is often considered an additional part of the development that adds cost and time to any design.

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