smart cards

Smart cards are small, plastic cards equipped with a microprocessor or memory chip that securely store and process data. They are commonly used for various applications, such as payments, identification, and access control. When inserted into a reader, smart cards can authenticate users and facilitate transactions by communicating secure information. Their use enhances security and reduces fraud, making them popular in banking, transportation, and healthcare. Smart cards may also support contactless technology, allowing users to tap them for easy transactions without physical contact. Overall, they represent a convenient and secure way to manage personal and financial data.