Why do I need a 3D-Secure credit card to buy Bitcoin?
When you buy something online, you may be redirected and asked to provide a special security code to the card issuing bank in order to verify you are the legitimate owner of the banking card. This is called 3D Secure.
3D Secure (3DS), is an authentication step that helps prevent fraud when you make online card purchases. It is called, depending on the card type, “MasterCard SecureCode”, “Verified by Visa” and, in the case of American Express cards, “Safekey”.
If your card is already 3D-Secure, you can move forward with your purchase. If your card is not yet 3D-Secure, follow these steps: