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Non-EMV cards work like magnetic stripe cards. This is common in the U.S. (PayPass Magstripe and Visa MSD). The cards do not hold or maintain the account balance. All payment passes without a PIN, usually in off-line mode. The security of such a transaction is no greater than with a magnetic stripe card transaction. [citation needed]
These have generally been replaced with magnetic stripe cards. Since their introduction in 1997 with the Octopus card in Hong Kong, contactless smart cards have become the standard fare media in AFC systems, though many systems support multiple media types.
Some smart cards have metal contacts to electrically connect the card to the reader; there are also contactless cards that use a magnetic field or radio frequency for proximity reading. Hybrid smart cards include a magnetic stripe in addition to the chip—this combination is most commonly found in payment cards , to make them usable at payment ...
Avoid storing your credit card near magnets or other magnetic items. If your purse or wallet has a magnet on it, ensure the magnetic strip on your card faces away from the magnet to help avoid damage.
Smart card July 2003 Bus, tube, trams, DLR, London Overground & most National Rail services [21] Travelcard: Magnetic stripe ticket, or loaded into an Oyster card: May 1983 Greater Stockholm: SL [22] SL-kort Smart card May 2022 Buses, Metro, rail, tram, ferries: Replaced the SL Access smart card system. Lombardy (Italian region) Regione Lombardia
The card stores a physical or digital pattern that the door mechanism accepts before disengaging the lock. There are several common types of keycards in use, including the mechanical holecard, barcode, magnetic stripe, Wiegand wire embedded cards, smart card (embedded with a read/write electronic microchip), RFID, and NFC proximity cards.