How to Add Holesky to MetaMask

Summary: Holesky, Ethereum’s latest testnet, can be added to MetaMask through ChainList (Chain ID 17000) or manual network input into your wallet.

It supports staking, validation, and protocol testing, providing developers with a scalable environment for testing Ethereum upgrades and applications.

ChainList Overview
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ChainList Overview
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ChainList is the most trusted aggregator of EVM-based Layer 1 and 2 networks. It allows users to instantly connect their MetaMask to verified Chain and Network IDs, ensuring a safe connection.

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Supported Networks

100+ Layer 1 and Layer 2 chains

Development Team

Built by the Defillama team

Compatible Wallets

MetaMask only

Can I Add Holesky to MetaMask?

Yes, you can add the Holesky testnet to MetaMask by entering its network details, including the RPC URL, chain ID, and block explorer URL. This provides access to Ethereum’s advanced testing environment for staking, validation, and protocol experimentation without real costs.

How to Add Holesky to MetaMask

Adding the Holesky testnet to MetaMask is quick and easy with ChainList, a trusted resource for RPC and Chain ID details across EVM-compatible networks. ChainList simplifies the process by enabling a simple dashboard with one-click connections to Holesky and any other blockchain.

Here’s how to do it:

  1. Visit ChainList: Open the ChainList website and connect your MetaMask wallet.
  2. Search for Holesky: Select “Include Testnets” and enter "Holesky Testnet" in the search bar to locate the network.
  3. Add the Network: Click on Holesky from the search results and select "Connect Wallet."
  4. Complete Setup: Follow the prompts in MetaMask to finalize the integration of Holesky into your wallet.
Add Holesky to MetaMask

Holesky RPC and Chain ID

You can manually add Holesky to MetaMask using the following network configuration. For the latest details, double-check the Holesky documentation provided by the Ethereum Foundation:

  • Network Name: Holesky Testnet
  • RPC URL: https://ethereum-holesky.publicnode.com
  • Chain ID: 17000
  • Currency Symbol: ETH
  • Block Explorer URL: https://holesky.beaconcha.in

Input these settings in MetaMask to enable secure access to Holesky’s testnet, designed for Ethereum development and protocol testing.

What is Holesky?

Holesky is Ethereum's primary testnet, introduced in September 2023 to replace Goerli. It supports over 1.4 million validators, allowing developers to test staking, infrastructure upgrades, and new protocol features under realistic network conditions. 

With a fixed supply of 1.6 billion testnet ETH, Holesky addresses issues like token shortages and is critical for testing major updates like the upcoming Pectra upgrade.

What is Holesky?

Bottom Line

To connect Holesky to MetaMask, use ChainList for a quick setup or manually configure the network settings. 

Once connected, Holesky provides a dedicated environment for testing staking, infrastructure, and protocol upgrades, helping developers prepare applications for real-world deployment.