PAYMENT CARD, AUTHENTICATION METHOD AND USE FOR A REMOTE PAYMENT

The invention relates to a payment card (1) which comprises, on one side (10, 11), at least one authentication cryptogram (3), said authentication cryptogram (3) being unique and belonging to the payment card (1), the authentication cryptogram (3) being affixed to the payment card (1), said authentication cryptogram (3) forming a means of identifying the payment card (1) by optical recognition, said identification means being linked to a bank account to which the payment card (1) is linked. The invention also relates to a method for authenticating the payment card (1) and the bearer (100) of said payment card (1) with a view to carrying out a secure operation relating to personal data of the bearer (100) of the payment card (1). Finally, the invention relates to a use of the authentication method to make a remote payment using the payment card (1).