My preference is Mastercard.
Which fiat currencies are supported? Why is my card not accepted? Why is my transfer pending? What should I do if my card is lost or stolen? How do I get a virtual card? What is the current exchange rate? Why is my direct debit payment not recognised? How can I exchange currency via the app? Why was my card payment declined? How do I use Apple Pay or Google Pay? Why is my PIN blocked? Why was my top-up reverted? How do I cancel a transfer? When will my card arrive? How do I verify the source of my funds? Why was my transaction charged twice? Why is my cash withdrawal not recognised? Why was a fee charged for my transfer? How do I activate my card? Why is my card not working? How do I get a physical card? How do I order a physical card? Why is my refund not showing up? Why do I need to verify my identity? What should I do if I forgot my passcode? Which countries are supported? Why is my top-up pending? Why did my transfer fail? How do I link my card? How do I terminate my account?