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Espresso – TEE Smart Contracts

April 1, 2026

Espresso has requested that we perform a security audit of its smart-contract layer, focusing on the Solidity contracts that verify Nitro Trusted Execution Environment (TEE) attestations and enforce batch authentication for Optimism integration. Our final audit report was completed on April 1, 2026. To read the full report, including our

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World – SMPC Protocol (2nd Review)

November 22, 2024

Our team performed a security audit of World‘s secure multi-party computation protocol (SMPC Protocol), which is used to match a given iris against a database of iris shares. Our team previously reviewed this implementation and delivered a Final Audit Report on April 4, 2024. In this review, we examined the

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