Patent ID: 7864933

Claim:
A prepaid card management method comprising: a central system receiving affiliated prepaid card company information, card type information, and amount information, from a POS terminal; the central system generating a card request signal which includes a transaction number in the information received from the POS terminal and providing the generated card request signal to a predetermined operation system; the operation system extracting the affiliated prepaid card company information from the information received from the central system, to identify a personal identification number (PIN) issue system associated with the prepaid card from a plurality of PIN issue systems and transmit the card request signal to the identified PIN issue system according to a predetermined format; and the operation system transmitting PIN information, which includes a PIN received from the PIN issue system in response to the transmitted card request signal, to the POS terminal via the central system, wherein the PIN issue system generates the PIN information by retrieving the PIN corresponding to the card request signal, and transmits the generated PIN information to the operation system.