A smart card, integrated circuit card (ICC or IC card) or chip card is a physical electronic authentication device that is utilized to control access to a resource. It is regularly a plastic Mastercard estimated card with an implanted integrated circuit (IC) chip. A pattern of metal contacts on many smart cards allows for an electrical connection to the chip inside. Some are both contactless and contactless. Personal identification, authentication, data storage, and application processing can all be provided by smart cards. financial, mobile phone (SIM) identification, public transportation, computer security, education, and healthcare are examples of applications. Single sign on (SSO) within organizations may benefit from the strong security authentication that smart cards may provide. Smart cards have been implemented throughout the populations of numerous nations.