MasterCard, Amex Test RFID Credit Cards

MasterCard and American Express test "contactless" cards

MasterCard 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.

Read the full story at Mercury News