That is an EMV (which stands for EuroPay, Mastercard, and Visa) microchip, which works by using a lot more advanced technology to retail outlet and transmit details each time the cardboard is “dipped” into a POS terminal. Similarly, shimming steals info from chip-enabled credit cards. Based on credit bureau Experian, https://cartecloneprix12456.bloguerosa.com/32795748/details-fiction-and-carte-de-débit-clonée