MasterCard, Amex Test RFID Credit Cards
MasterCard and American Express test "contactless" cardsMasterCard and American Express have been testing RFID-embedded credit cards for more than a year. MasterCard has been testing its PayPass system mainly in Orlando, Fla. The company promises a nationwide rollout in 2004. Security is an issue with these cards, because the RFID transmissions are not encrypted.
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