Lighthouse Book

Documentation for Lighthouse users and developers.

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Lighthouse is an Ethereum 2.0 client that connects to other Ethereum 2.0 clients to form a resilient and decentralized proof-of-stake blockchain.

We implement the specification as defined in the ethereum/eth2.0-specs repository.


You may read this book from start to finish, or jump to some of these topics:

Prospective contributors can read the Contributing section to understand how we develop and test Lighthouse.

About this Book

This book is open source, contribute at

The Lighthouse CI/CD system maintains a hosted version of the unstable branch at