Updated on April 16, 2020

PegaSys Teku

What is Teku?

Teku is an open-source Ethereum 2.0 client written in Java. Teku contains a full Beacon node implementation and a validator client for participating in consensus.

What can you do with Teku?


  • Runs the Beacon node synchronization and consensus.
  • Proposes and attests blocks.
  • Provides enterprise focused metrics with Prometheus.
  • Has REST APIs for managing Eth 2.0 node operations.
  • Has external key management to manage validator signing keys.