Smart cards are small digital cards that hold users personal information, credit card information and even personal preferences. They are a small digital cards that are often used to store small amounts of data in mobile devices or otherwise on the move.
Small cards are also used to store credit card information and personal details. They have increasingly used as more and more mobile devices have a need for storing more data. Smart cards can also be used to store biometric data like fingerprints and used for transactions that require authentication.