MetaMask

1. Install MetaMask Wallet

MetaMask website: https://metamask.io

In Chrome, for example, download and install the MetaMask Wallet plugin in the Chrome online app store.

Download address: https://chrome.google.com/webstore/detail/metamask/nkbihfbeogaeaoehlefnkodbefgpgknn

Once installed, open MetaMask.

By default, the wallet is connected to the Ethereum Mainnet, click on the Ethereum Mainnet, and in the drop-down menu, click on Add Network

Fill in the CCNChain RPC data in the form:

Huygens:

Network Name: CCN-Huygens

New RPC URL: https://huygens.computecoin.network/

Chain ID: 2

Currency Symbol: CCN

Once the configuration is complete and saved, switch to that network.

2. Use CCNSwap

Take Swap for example, open the CCNSwap official website: https://huygens.ccnswap.org

Click Connect to a wallet in the upper right corner and select MetaMask.

Once connected, you can use CCNSwap.