You must be wondering if all your cards are running fine then why the bank is creating a hassle for you. Basically, EMV stands for Europay Mastercard and Visa. As earlier mentioned, the exercise is being done only to match the international payment standards. So, EMV are the cards with more developed safety features and enhanced security, in order to reduce the number of frauds taking place in relation to cards. Basically, the difference lies in the way they store all your data. If you are carrying out transactions with magnetic strip cards, then all your data will be saved in the magnetic strip at the back of your card. But in EMV card, all your data is stored in a chip. Magnetic stripe cards make it very easier to copy data one the card that would be swiped by a fraudster. On the flip side, EMV cards generated fresh user data with every transaction making it safer than magnetic strip card.