Purchasing CVNX tokens on SushiSwap DEX is very simple and requires an only internet browser and an Ethereum ERC20 compatible wallet. 

You should hold enough USDT tokens for the purchase amount and ETH for "gas fees" on your wallet balance.

This guide will provide you with all the steps to purchase CVNX for USDT with MetaMask wallet. 

Step 1. Open your internet browser (Google Chrome recommended) and go to https://app.sushi.com/

Step 2. On the Sushi swap web page make sure that "Swap" tab is active on the left-top corner

Step 3. Click on Connect to a wallet button and choose your wallet (e.g. MetaMask)

Step 4. Click on Connect button

Step 5. Once your MetaMask wallet connected you'll see the available ETH balance in the top right corner.

Step 6. Choose USDT instead of ETH.

Only the USDT/CVNX trading pair is available on SushiSwap DEX so far.     You can create CVNX pair with any other available token on SushiSwap DEX and provide liquidity.   

Step 7. Then click on "Select a token".

The CVNX token is not available yet in Sushi default tokens list. You should import the token manually once.

Step 8. Copy and paste the CVNX contract address 0xA1a4E303e9C56962F201C5e834abC1E677A3C4F3 and click "Import" button.

Step 9. Enter the amount of CVNX you wish to buy and click on "Approve USDT" button

Step 10. Confirm the transaction in your Metamask wallet to permit SushiSwap access USDT tokens on your address.

Step 11.  After approval click on "Swap Anyway" button

Step 12. You can review the trade details in the appeared pop-up window and click on "Confirm Swap".

Step 13. Review and confirm the transaction in your Metamask wallet. 

Step 14. That's it. You can click on "Add CVNX to MetaMask" to see the received CVNX balance in your wallet after confirmation of the transaction.