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Zkopru zk-SNARK Circuits + Smart Contracts for Ethereum Foundation

Ethereum Foundation has requested that Least Authority perform a security audit of the Zkopru (zk-optimistic-rollup) zk-SNARK Circuits and Smart Contracts. Zkopru, a Zcash-Style privacy solution, is a layer-2 scaling solution for private transactions using zk-SNARK and optimistic rollup on the Ethereum Blockchain. It supports private transfer and private atomic swap

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ScopeLift – Umbra-js

ScopeLift requested that Least Authority perform a security audit of umbra-js, an off-chain JavaScript library that implements the basic cryptographic scheme for interacting with the Umbra Protocol and used for building Umbra-enabled Web3 applications in Node.js or in the browser. Umbra is a protocol for enabling stealth payments on the

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Blox Staking – Wallet

Blox has requested that Least Authority perform a security audit of the Blox Staking Wallet. Blox is an open-source, fully non custodial staking platform for Ethereum 2.0. The platform aims to serve as an easy and accessible way to stake Ether and earn rewards on Ethereum 2.0, while ensuring participants

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Loopring – 3.6 Design + Implementation: Smart Contracts and Circuit

Loopring is a flexible layer-2 scalability solution for basic value transactions as well as a variety of exchanges such as order book and Automated Market Maker (AMM). This system uses advanced cryptography in the form of a limited one-way homomorphic encryption using bilinear pairings, popularized in the implementation of the

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ethdo for Ethereum Foundation

Ethereum Foundation has requested a security audit of ethdo, a command-line tool for managing common operations on Ethereum 2.0, including creating wallets and accounts, generating data for deposits, and sending exit transactions. Our final audit report was completed on November 17, 2020. To read the full report including our findings,

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Centrifuge – Tinlake Contracts + Actions

Centrifuge has requested that Least Authority perform a security audit of their Tinlake Platform, a smart contracts framework on Ethereum that enables borrowers to draw loans against non-fungible assets. Any assets represented on-chain as Non-Fungible Tokens (NFTs) are financed by issuing an ERC-20 token against all of the collateral NFTs

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Ethereum 2.0 Specifications

The Least Authority team recently completed our audit of the Ethereum 2.0 Specifications. Read our full report here.  Ethereum 2.0 will be a significant network upgrade and is set to take place in 3 distinct phases—Phase 0: Beacon Chain, Phase 1: Shard Chains, and Phase 2: Execution Environments. It is

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