TestnetLayer 1ETH

Ethereum Holesky

Proof-of-Stake architecture running on Layer 1.

Official Site Developer Docs

Chain & Consensus Architecture

Consensus Mechanism

Proof-of-Stake

Layer Classification

Layer 1

EVM Chain ID

17000

Network Status

ACTIVE

Supported Client Software

EXECUTIONGo

Go-Ethereum (Geth)

Target: v1.14.8

CONSENSUSTypeScript

Lodestar

Target: v1.20.0

Empirical Hardware Requirements

Validator Node

Bandwidth: 50 Mbps

CPU Baseline:

4 Cores

Rec: 4 Cores (8 Threads)

Memory:

16 GB RAM

Rec: 32 GB

Storage (NVMe SSD):

500 GB minimum baseline (Recommended: 1000 GB)

Note: Holesky public testnet requires 32 testnet ETH to deposit a validator key.

Deployment Runbooks (1)

INTERMEDIATEDocs Verified(Oct 2026)

Deploying an Ethereum Validator on Holesky Testnet

Comprehensive runbook for setting up an Execution (Geth) and Consensus (Lighthouse) client pair with validator deposit verification on the Holesky public testnet.

45 mins