OffchainLabs/prysm

Go implementation of Ethereum proof of stake

3,777

stars

10,496

commits

Go

primary language

Sep 12, 2026

updated

www.offchainlabs.com
ethereum

README

Prysm: An Ethereum Consensus Implementation Written in Go

Buildkite Build status Consensus Spec Version Discord


πŸ“– Overview

This is the core repository for Prysm, a Golang implementation of the Ethereum Consensus specification, developed by Offchain Labs.

See the Changelog for details of the latest releases and upcoming breaking changes.


πŸš€ Getting Started

A detailed set of installation and usage instructions as well as breakdowns of each individual component are available in the official documentation portal.

πŸ’¬ Need help? Join our Discord Community for support (this invite link never expires).


πŸ† Staking on Mainnet

To participate in staking, you can join the official Ethereum launchpad. The launchpad is the only recommended way to become a validator on mainnet.

πŸ” Explore validator rewards/penalties:


🀝 Contributing

πŸ”₯ Branches

Prysm maintains two permanent branches:

  • master - This points to the latest stable release. It is ideal for most users.
  • develop - This is used for development and contains the latest PRs. Developers should base their PRs on this branch.

πŸ›  Contribution Guide

Want to get involved? Check out our Contribution Guide to learn more!

πŸ€– AI Coding Agents

Shared agent instructions live in .agents/AGENTS.md. To use them, point your agent's config file at it from the repo root:

echo '@.agents/AGENTS.md' > ./AGENTS.md   # or ./CLAUDE.md

πŸ“œ License

License: GPL v3

This project is licensed under the GNU General Public License v3.0.


πŸ“œ Terms of Use

Contributors

(top 30 of 310)

terencechain

2,478 commits

prestonvanloon

1,419 commits

rauljordan

1,160 commits

nisdas

1,096 commits

OffchainLabs/prysm

Go implementation of Ethereum proof of stake

3,777

stars

10,496

commits

Go

primary language

Sep 12, 2026

updated

www.offchainlabs.com
ethereum

README

Prysm: An Ethereum Consensus Implementation Written in Go

Buildkite Build status Consensus Spec Version Discord


πŸ“– Overview

This is the core repository for Prysm, a Golang implementation of the Ethereum Consensus specification, developed by Offchain Labs.

See the Changelog for details of the latest releases and upcoming breaking changes.


πŸš€ Getting Started

A detailed set of installation and usage instructions as well as breakdowns of each individual component are available in the official documentation portal.

πŸ’¬ Need help? Join our Discord Community for support (this invite link never expires).


πŸ† Staking on Mainnet

To participate in staking, you can join the official Ethereum launchpad. The launchpad is the only recommended way to become a validator on mainnet.

πŸ” Explore validator rewards/penalties:


🀝 Contributing

πŸ”₯ Branches

Prysm maintains two permanent branches:

  • master - This points to the latest stable release. It is ideal for most users.
  • develop - This is used for development and contains the latest PRs. Developers should base their PRs on this branch.

πŸ›  Contribution Guide

Want to get involved? Check out our Contribution Guide to learn more!

πŸ€– AI Coding Agents

Shared agent instructions live in .agents/AGENTS.md. To use them, point your agent's config file at it from the repo root:

echo '@.agents/AGENTS.md' > ./AGENTS.md   # or ./CLAUDE.md

πŸ“œ License

License: GPL v3

This project is licensed under the GNU General Public License v3.0.


πŸ“œ Terms of Use

Contributors

(top 30 of 310)

terencechain

2,478 commits

prestonvanloon

1,419 commits

rauljordan

1,160 commits

nisdas

1,096 commits

Languages

Go

95.3%

Starlark

4.1%