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ZeroRISC Raises $10M to Scale Open-Source Silicon Security

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ZeroRISC has secured $10 million in seed funding to accelerate the growth of its open-source silicon security platform, according to SiliconANGLE. The company, founded in 2023 by OpenTitan project lead Dominic Rizzo, focuses on delivering hardware-level security that extends trust from chip manufacturing through a device’s lifecycle.

At the heart of its approach is a commercial implementation of the OpenTitan root of trust, an open-source silicon component designed to verify boot integrity and block unauthorized code execution. ZeroRISC builds on this foundation with a layered Integrity Management Platform (IMP) that combines silicon, embedded software, and cloud-based controls.

The platform operates below the OS, enforcing isolation, secure ownership transfer, and policy enforcement using a Rust-based embedded operating system. This approach gives device owners more direct control over security operations, reducing reliance on OEMs and third-party custodians.

ZeroRISC’s roadmap includes post-quantum cryptography support through SPHINCS+ and integration into SoCs, chiplets, and embedded devices. The funding round was led by Fontinalis Partners, with participation from Fundomo, SBXi, and several industry figures and angels.

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