Patent ID: 9183553
Filing Date: 2015-11-10
Classification: G06K,G06Q,G07F

Abstract:
1. A once card, comprising: a plastic substrate with the dimensions of a credit card; a magnetic stripe emulator interface disposed in a rear surface; a sensor within the plastic substrate at both ends of magnetic stripe emulator interface; a display within the plastic substrate in a front surface; a button within the plastic substrate; a once card number generator embedded in the plastic substrate connected to said magnetic stripe emulator interface, said sensor, said display and said button, and using one of a first secret seed and a second secret seed for generating a new once card number (OCN); wherein said sensor for activating said once card number generator to generate a new OCN for in-store shopping transaction using said first secret seed, and said button for activating said once card number generator to generate a new OCN for online shopping transaction using said second secret seed.