The token is the safe identifier of your real card and consists of 16 digits. You may find the last 4 positions of the token within the Apple Wallet. Select the card, go to information and it is displayed as “Device account no.”.
This may be necessary in two situations:
When you perform a return, as the last 4 positions of the token will be displayed on the ticket.
Contact Center: if you want to carry out any formality related to your card on Apple Wallet, the Contact Center may ask you for the last numbers of the token.