Adding a new card is simple. Click on the Deposit option. Here you can find next to the amount 'Change'. Click here following the next steps and you will be able to enter your new card details.
Please bear in mind that since April 14th, 2020, Credit Card is not an available method for deposits. Read more here.
If for any reason you have an error in this section, it could be that you have too many cards registered, so just contact our customer service and they can take care of the rest for you.