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To add CNHO token in MetaMask wallet, follow these detailed steps: Download** Metamask:** 
https://chromewebstore.google.com/detail/metamask/nkbihfbeogaeaoehlefnkodbefgpgknn?hl=en-GB&utm_source=ext_sidebar
1. Open MetaMask:
  • Launch the MetaMask extension in your web browser or open the MetaMask mobile app.
2. Navigate to the Assets Tab:
  • Once you are logged into your wallet, click on the “Assets” tab to view your current tokens.
3. Click on Import Tokens:
  • Scroll down to find and click on the “Import tokens” link located at the bottom of the Assets tab. Check your network, make sure it is on Ethereum Mainnet.
4. Switch to Custom Token Tab:
  • You will be presented with options for adding tokens. Select the “Custom Token” tab at the top of this window.
5. Enter Token Contract Address: In the first field labeled “Token Contract Address,” paste the contract address of CNHO. CNHO token address differs by networks. 
ZKsync: 0xfe7810f7EF3891b44c5FecFDDAa7D54fdD7603c4
Base: 0x8331696B487949C7144aa79Efc76c98567150aeA
Arbitrum: 0xC47CBffb6fE3B90A3e08c4E0cD1aeC7fa7ae73B9
Polygon: 0xA8Da8BE2b2E7d581a74eb71a391DF6eF875b1718
Ethereum Mainnet: 0x2747ee1ee8490ce2f1853600c28a3846353d9d31
BSC: 0x837B36641FFF9Cc3beA83544cf3297A9D68648E5
Ethereum Sepolia: 0xc8bacaa5c8c72dda0abb1255640be5a00c2e894f
6. Autofill CNHO Token Details:
  • After entering the contract address, MetaMask should automatically fill in the token symbol and decimal places. If it does not, you may need to manually enter these details:
  • Token Symbol: CNHO
  • Token Decimals: 18
7. Add Custom Token:
  • Once all fields are filled out correctly, click on “Add Custom Token.” You will see a confirmation page displaying the token information.
8. Confirm Import Tokens:
  • Finally, click on “Import Tokens” to complete the process. The custom token will now appear under your Assets tab in MetaMask.
By following these steps, you can successfully add CNHO token to your MetaMask wallet and manage it alongside your other assets. If you wish to switch network, you can simply click on the left upper corner and add networks manually or use tools like chainlist(https://chainlist.org/).