Debit cards have PINs; credit cards don’t (edit: or maybe they do, but I don’t know what mine is). For credit cards usually just presenting it physically is eno

Debit cards have PINs; credit cards don’t (edit: or maybe they do, but I don’t know what mine is). For credit cards usually just presenting it physically is enough to authorize anything. Online you usually have to provide the card number, verification code (printed on the back of most cards), and postal code of the billing address.