Lighthouse is an open-source Ethereum consensus client written in Rust, developed and maintained by Sigma Prime, focused on security and performance. It provides installation guides, the Lighthouse Book, and a user-friendly Lighthouse UI to monitor and manage Ethereum validators. As part of Ethereum's proof-of-stake upgrade, Lighthouse operates as a consensus client that works with an execution client to enable validators to participate in block production and validation on the mainnet.
AI named Lighthouse from February 2026 to June 2026.
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