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This page shows how to add the Whitechain Sepolia testnet to an EVM wallet such as MetaMask. It is for developers who want to deploy or test contracts before Mainnet. Connect once, then use the same network for the Remix, Hardhat, and Foundry quickstarts.
Whitechain Sepolia is a testnet environment provided “AS IS” without availability guarantees. Testnet WBT tokens have no real economic value.

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Before you connect

Third-party wallet applications are provided by independent software vendors. Whitechain does not endorse, control, or assume any liability for third-party wallets, and users assume full responsibility for their selection, security, and operation.

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Option 1: add the network with Chainlist

  1. Open Chainlist.
  2. Click Connect Wallet.
  3. Click Add to MetaMask to add the network automatically.

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Option 2: add the network from the explorer

  1. Open the Whitechain Sepolia Explorer.
  2. Click Connect Wallet in the top-right corner.
  3. Approve the prompt in your wallet to add the network.

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Option 3: add the network manually

  1. Open your wallet settings and select Add network, then Add a network manually.
  2. Enter the values from the network parameters table below. Always verify custom RPC URLs. Connecting to untrusted endpoints may expose your IP address or transaction metadata to third parties.
  3. Save the network and switch to it.

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Network parameters

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Verify the connection

Open the network selector in your wallet. It shows Whitechain Sepolia, and your account balance appears in WBT. Always confirm your wallet is switched to the testnet before executing non-production transactions.