EthPillar

warning

The original EthPillar repository has not been updated since November 2025. A community fork, mjkeating/EthPillar, is under active development. This guide was written for the original release and has not been tested against the fork.

Full Node Setup

Video Guide

The video was recorded on the Holesky testnet. For testnet setups, use Hoodi instead.

Download EthPillar

Review EthPillar's homepage at Coincashew website, then run:

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/coincashew/EthPillar/main/install.sh)"

Next, type and enter ethpillar to launch the terminal UI and:

1. Sync an execution client and a consensus + validator client. The MEV Boost service is installed with pre-configured relays. Learn more about CSM relay requirements here.
2. [For Testnet only] select Generate validator keys, choose how many to generate, set a password, and save your 24-word mnemonic.
3. [For Mainnet] select No for key generation here (use a secure process in the Key Generation for Mainnet guide).
4. Verify the fee recipient and withdrawal address below or on the CSM Operator Portal.
5. Import the generated validator keys into your validator client.

note

EthPillar's CSM key generation does not yet support 0x02 keys. If you are joining 0x02 CSM, generate your keys with one of the methods in Generating Validator Keys instead.

Withdrawal Address

• Mainnet: 0xB9D7934878B5FB9610B3fE8A5e441e8fad7E293f
• Hoodi: 0x4473dCDDbf77679A643BdB654dbd86D67F8d32f2

Fee Recipient Address

• Mainnet: 0x388C818CA8B9251b393131C08a736A67ccB19297
• Hoodi: 0x9b108015fe433F173696Af3Aa0CF7CDb3E104258

Deposit Data

Copy your deposit data for the CSM widget:

cat ~/ethstaker_deposit-cli/validator_keys*/deposit*json

Interfaces:

• Mainnet: https://csm.lido.fi/
• Hoodi: https://csm.testnet.fi/

ETHPillar Terminal-UI Navigation

1. Arrow & Tab keys: cycle options
2. Space bar: select option
3. Enter: confirm
4. Ctrl+B, then D: exit split-screen
5. Ctrl+C: exit individual view
6. Type exit + Enter to leave the current screen

Setup Additional CSM Validator Client Only

EthPillar CSM VC Additional Plugin

This lets you run an extra validator client using your existing EthPillar setup with the Lido Execution Layer Rewards Vault as the fee recipient.

1. Run ethpillar to open the UI.
2. Select Plugins → Lido CSM Validator: Activate an extra validator service. Reuse this node's EL/CL.

3. Enter the fee recipient address:

   • Mainnet: 0x388C818CA8B9251b393131C08a736A67ccB19297
   • Hoodi: 0x9b108015fe433F173696Af3Aa0CF7CDb3E104258

4. Generate and import your CSM validator keys here.

EthPillar CSM VC + Existing Setup

This lets you attach a new validator client to an existing beacon node, with a separate fee recipient (Lido Execution Layer Rewards Vault).

1. Run ethpillar.

2. Select 4 – Lido CSM Validator Client Only.

3. Enter your beacon node endpoint (e.g. http://127.0.0.1:5052).

4. Verify the fee recipient address:

   • Mainnet: 0x388C818CA8B9251b393131C08a736A67ccB19297
   • Hoodi: 0x9b108015fe433F173696Af3Aa0CF7CDb3E104258

5. Generate and import your CSM validator keys.

Keep your clients up to date

To keep your clients and other packages up to date for network upgrades, security releases or minor improvements please follow this guide.