![]() Most cards originally introduced in the market were contact smart cards. Contactless cards are read when presented near or in “proximity” to a reader. Contact smart cards operate much like magnetic stripe cards (credit cards, etc.), requiring insertion into or direct contact with a reader. Smart cards can come in two forms: contact and contactless. ![]() These sectors can contain information for various applications – such as access control, cashless vending, mass transit, and payment systems – securely separated from one other by security keys. Smart cards normally contain application fields/sectors secured by special, application-specific security keys (much like keys that unlock various rooms in a building). Although it is packaged in the form of a card, a smart card operates much like a personal computer in that it can store data, manipulate data, and perform functions like mathematical equations. Smart cards are typically credit card sized, plastic credentials containing a microprocessor chip that serves the dual functions of communication and extensive data storage.
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