Blog

Anza Technology – Confidential Transfers in Solana Token-2022 Program

November 10, 2025

Our team performed a security audit of the Confidential Transfer component of the Solana Token-2022 program. The project, combining the Token-2022 extensions with the zk-elGamal/zk‐sdk, delivers privacy‐preserving token operations while keeping balances and transaction validity cryptographically verifiable via homomorphic twisted ElGamal and Bulletproofs‐based range proofs. Our final audit report was

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Zcash – NU6.1 Network Upgrade

November 3, 2025

Least Authority reviewed the changes made to Zebra that will be introduced in the NU6.1 network upgrade. The Zebra project is a Rust implementation of a Zcash node, developed by the Zcash Foundation as an alternative to the reference zcashd client. Its core functionality centers on validating blocks, enforcing consensus

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Anonymous Data in the Age of AI: Hidden Risks and Safer Practices

October 16, 2025

Privacy’s Newest Threat It’s no secret that in today’s digital economy, an era in which data is the new oil, entities are collecting, sharing, and analyzing personal information at an unprecedented scale. Privacy laws establish strict obligations on how entities safeguard personal data. However, data protection laws often do not

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How Anonymous Credentials Redefine Digital Access

September 19, 2025

What if Privacy Were the Default? Most digital services still require accounts, personal data, and behavioral tracking permissions, even for simple actions. It’s often assumed that convenience depends on identity. But that assumption is outdated. Tools like anonymous credentials make it possible to build services where an identifying profile is

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Aligned Layer – Layer Operator AVS + Smart Contracts (2nd review)

September 2, 2025

Aligned Layer is a verification layer for zero-knowledge proofs using Eigen Layer. Our team recently performed a security audit of the Aligned Layer system as part of a multi-firm audit, targeting Aligned Layer version 0.4.0. In this review, we performed a follow-up audit, focusing on the changes between Aligned Layer

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Rabby Wallet – Mobile Application (2nd Review)

September 2, 2025

Our team performed a security audit of the Rabby Wallet Mobile Application, which supports multiple hardware and software wallets for the Ethereum blockchain. The mobile application can manage and host dApps from numerous providers and enables users to interact with the hosted dApps through a unified interface. We previously audited

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Rabby Wallet – Extension (2nd Review)

September 2, 2025

Our team performed a security audit of Rabby Wallet, an application designed for managing assets on Ethereum and other EVM-compatible chains, available as both a mobile application and a browser extension, and based on a fork of MetaMask. We previously audited Rabby Wallet and delivered a final audit report on

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Linea – Limitless Prover

August 27, 2025

Our team performed a security audit of Linea’s Limitless Prover. The zkEVM aims to provide an execution environment equivalent to the Ethereum Virtual Machine (EVM), allowing Ethereum transactions and smart contract executions. The Limitless Prover feature enables proof generation without the need to impose limits due to the underlying arithmetization.

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