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How to Get WETH on Holesky/Sepolia for testnet app

This guide will walk you through how to convert ETH to WETH on the Holesky testnet using the official WETH contract.

You’ll need to have ETH on Holesky and a Web3 wallet like MetaMask connected to the Holesky network.

Prerequisites

Before you start, make sure you have ETH on Holesky.

If you don’t, you can claim ETH from the following faucets:

Also, confirm your wallet is connected to the Holesky testnet.

Convert ETH to WETH

  1. Open the official WETH contract on Holesky Etherscan:
    https://holesky.etherscan.io/address/0x94373a4919b3240d86ea41593d5eba789fef3848

  2. Scroll to the Contract section.

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  1. Click the Write Contract tab.
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  1. Click Connect to Web3 and connect your wallet.
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  1. Locate the deposit() function.
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  1. Enter the amount of ETH you want to convert to WETH.
    Make sure you have enough ETH to cover the amount and gas fees.

  2. Click Write and approve the transaction in your wallet.

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Add WETH Token to MetaMask (Optional)

If WETH doesn’t appear in your wallet after the transaction, add it manually:

  • Token Contract Address: 0x94373a4919B3240D86eA41593D5eBa789FEF3848
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Note on Sepolia Testnet

The same steps outlined above also apply if you’re using the Sepolia testnet instead of Holesky. You will follow the same process on Sepolia Etherscan, using the WETH contract address for Sepolia:

Ensure you are connected to the Sepolia network in your wallet and have Sepolia ETH from a faucet. Everything else, including writing to the deposit function, remains the same.