Sigma Prime

This post shares publicly the details of a security assessment conducted by Sigma Prime, which targeted an Ethereum smart contract wallet developed by Dapper Labs.

Status ENS Integration: Smart Contract Security Review

Dr Adrian Manning and Mehdi Zerouali | Wed 24 October 2018 Estimated read time: 11 min

This post shares with the public details of a security review performed by Sigma Prime, which targeted an Ethereum Name Service (ENS) registrar developed by Status.

A Detailed Introduction to RSA Cryptography

Kristian Mcdonald | Mon 27 August 2018 Estimated read time: 41 min

A comprehensive discussion and derivation of RSA cryptography, including the generalisation to multiple primes.

Purity in the EVM

Paul Hauner | Fri 08 June 2018 Estimated read time: 13 min

A definition of purity in the Ethereum EVM with strategies for detecting purity on-chain.

Solidity Security: Comprehensive list of known attack vectors and common anti-patterns

Dr Adrian Manning | Wed 30 May 2018 Estimated read time: 75 min

This post aims to be a relatively in-depth and up-to-date introductory post detailing the past mistakes that have been made by Solidity developers in an effort to prevent future devs from repeating history.

Proof-of-work in cryptocurrencies: an accessible introduction

Paul Hauner | Wed 06 December 2017 Estimated read time: 11 min

This article provides an accessible explanation of the "proof-of-work" consensus algorithm as used in Bitcoin, Ethereum and many other cryptocurrencies.

Understanding Equihash: Mathematical Optimizations and Zcash

Dr Adrian Manning and Dr Kristian Mcdonald | Sun 22 October 2017 Estimated read time: 26 min

Overview of the Equihash mining algorithm and potential mathematical optimisation thought experiments.