Abstract: Provided is a multi-card having a fingerprint input unit and a payment method using the same, and the multi-card includes a secure element adapted to allow multiple pieces of card information issued to the same card service to match each of a plurality of fingerprints to thus store the matching results therein and a fingerprint input unit for receiving the plurality of fingerprints inputted thereto, wherein the secure element produces transaction response information having one piece of card information activated according to the fingerprint information inputted to the fingerprint input unit.

Abstract: A user authentication system using a physical card and a method thereof, and the user authentication system for providing online user authentication service using a physical card through connection of a user terminal and the physical card includes: a card transaction unit for performing a card transaction between the user terminal and the physical card, and transmitting a result value according to the card transaction to a transaction permission request unit, when the user terminal and the physical card are tagged with each other; the transaction permission request unit for transmitting a card transaction permission request including the result value according to the card transaction to a transaction permission server; and a user authentication confirmation unit for determining that the online user authentication is completed, when a transaction permission result generated according to validation of the result value according to the card transaction is received from the transaction permission server, and the

Abstract: Provided is a multi-card having a fingerprint input unit and a payment method using the same, and the multi-card includes a secure element adapted to allow multiple pieces of card information issued to the same card service to match each of a plurality of fingerprints to thus store the matching results therein and a fingerprint input unit for receiving the plurality of fingerprints inputted thereto, wherein the secure element produces transaction response information having one piece of card information activated according to the fingerprint information inputted to the fingerprint input unit.

Abstract: Provided is a multi-card and a payment method using the same, the multi-card including: a secure element for storing at least one payment card information in an applet form; an input unit including a plurality of buttons respectively matched with the card information; and a control unit for receiving, from a user terminal, and storing at least one membership card information and matching information with the input unit, wherein the secure element generates transaction response information including one membership card information and one payment card information activated according to a selection of the input unit.