Kindly folow the steps below on how to swap BTC on TransferXO

STEP 1: Click on the Marketplace button to the right of the TransferXO logo on the TransferXO dashboard and select Swap BTC. 

You can also do this by clicking on the 'Quicklink' tab and selecting 'Swap’ from the dropdown menu.

STEP 2: The “Swap BTC” interface loads to reveal this:

STEP 3: Browse through the “Asset” dropdown menu to select the coin you’re interested in, enter the amount you want to buy (in your preferred currency), select your country, and then select the payment method you want to use.

STEP 4: Once you've selected your preferred payment option, a list of available offers for that coin appears on the screen.

STEP 5: Once you've found an offer that suits your needs, click on it to initiate the swap. You'll be asked to confirm the amount of BTC you wish to swap.

STEP 6: As with the “Sell” option, you can also create an offer to swap if you don’t find an offer that interests you already listed.

STEP 7: The new offer you created will be listed on the marketplace.

Once you receive an offer and the transaction is completed, the preferred cryptocurrency coin  will be added to your account.