Sigma Prime is a highly experienced company specializing in the evaluation of corporate networks, cloud infrastructure, and web applications through penetration testing. They are recognized as a prominent provider of Ethereum smart contract security assessments. Sigma Prime’s notable achievement includes the establishment and maintenance of Lighthouse, an open-source implementation of the Ethereum 2.0 specification written in Rust. They actively contribute to Ethereum 2.0 engineering and research, demonstrating their deep involvement in this field. Additionally, Sigma Prime actively participates in various open-source projects and research initiatives within the blockchain ecosystem. Their expertise has been acknowledged through the publication of research papers and blog articles. Notably, Sigma Prime has served esteemed clients such as Chainlink, Dapper, and AlphaWallet.