Smart card
A smart card is a portable physical device that contains a microprocessor and memory. It is used to securely store and manage data and perform various functions such as authentication, encryption, and digital signatures.
About
It is used to securely store and manage data and perform various functions such as authentication, encryption, and digital signatures. Smart cards are typically used in a variety of industries, including finance, transportation, healthcare, and government, as a means of facilitating secure transactions and providing secure access to information. The Wikipedia page on smart cards provides an in-depth overview of their history, technology, and applications. It explains how smart cards are different from other types of cards, such as magnetic stripe or proximity cards, and discusses the advantages and disadvantages of using smart cards. The page also delves into the technical aspects of smart cards, including the different types of microprocessors and memory chips used in their construction. It explains how the microprocessor and memory work together to securely store and process data, and how they can be programmatically updated and managed. Additionally, the page highlights the various applications of smart cards across different industries. These applications range from financial transactions like credit card payments and electronic banking, to identification and access control systems in corporate and government settings. It also discusses the use of smart cards in secure physical access systems, such as transportation fare collection and electronic healthcare records. The page concludes by discussing the security features of smart cards, such as encryption and authentication mechanisms. It emphasizes the importance of securing the data stored on smart cards, as well as protecting the communication between the card and the reader. It also provides an overview of the different standards and certifications that ensure the security and interoperability of smart card systems. Overall, the Wikipedia page on smart cards is a comprehensive resource for understanding the technology, applications, and security considerations of these portable devices.