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QEDIT – OrchardZSA Protocol for Zcash

As the Zcash Ecosystem Security Lead, Zcash Community Grants (ZCG) has requested that Least Authority perform a security audit of the OrchardZSA Protocol by the QEDIT team. OrchardZSA is an extension of the Zcash Orchard protocol. Our final audit report was completed on January 3, 2025*.  To read the full

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Decred – DEX Integration for Zcash

As the Zcash Ecosystem Security Lead, Zcash Community Grants (ZCG) has requested Least Authority perform a security audit of the Decred DEX Zcash (ZEC) integration. Decred DEX is a decentralized exchange built by the Decred Project, and the scope of this audit is Zcash’s (ZEC) integration with the exchange. Our

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Our Role as the Zcash Ecosystem Security Lead

At the end of March 2024, our team at Least Authority was selected for the role of Zcash Ecosystem Security Lead, after responding to a Request for Proposals (RFP) for the role on the Zcash Forums.  Per the Zcash Community RFP: “This role is integral in enhancing the security, usability, and

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Zcash – Zebra NU6 Updates

As the Zcash Ecosystem Security Lead and based on direction of the Zcash Community Grants (ZCG) program, Least Authority reviewed the changes made to Zebra that will be introduced in the NU6 network upgrade. Zebra is Zcash’s independent, consensus-compatible implementation of a Zcash node, written in Rust. Our final audit

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Zcash – Zcashd NU6 Updates

As the Zcash Ecosystem Security Lead appointed by Zcash Community Grants (ZCG), Least Authority reviewed the changes made to Zcashd that will be introduced in the NU6 network upgrade. Our final audit report was completed on October 21, 2024. To read the full report, including our findings, click here: Report

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2021 in Review: How We Contributed to Web3

2021 seems to be the year that we all accepted the term “Web3” as the way to refer to the collective movements of decentralizing infrastructure and empowering users to be in control. It means the next generation of the Internet and beyond, which includes the  tokenization of things for digital

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Zero Knowledge Privacy in Regulated Financial Transactions

Zero knowledge proofs (ZKPs) are an extremely robust, privacy-enhancing tool that can prove a computational statement is true without revealing the data behind it.  While still at the early adoption stage, ZKPs are gaining traction as a potential solution to a vast array of privacy conundrums. These cryptographic building blocks

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Metastate AG – Multi-Asset Shielded Pool for Tezos Foundation

Tezos Foundation has requested that Least Authority perform a security audit of the Metastate Extension of the Electric Coin Company’s (ECC) Sapling circuit, a user-defined asset extension that allows the shielded pool to support many denominations at once. Our final audit report was completed on August 18, 2020. To read

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