Attribution Notice

Safestake implements its operator software based on Hotstuff and Lighthouse validator client.


Our code under the hotstuff directory is mostly taken from the Hotstuff repository, with the following modification:

  • Upgrade to support port reuse for multiple committees (VAs)

  • Optimize recovery and syncrhonization mechanisms after node crash and reboot


Our operator is a modified decentralized version of Lighhouse's validator client. It reuses most of Lighthouse's VA logics, including:

  • Duty retrieval and execution

  • Slashing protection

The most important updates we make are:

  • Update the signing method to include an option to sign distributely among a committee of operators

  • Update the VA load and save logics to handle operators instead of complete validators.

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