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This card is eligible of checking the history of consumption by E-ink as well as receiving the history of your bank account's transaction through RFID. A cumulated amount will show every time of spending so that the user will know his or her consumption and be able to manage any unessential spendings.
Hongik University Graduate School
Seoul, South Korea
Korea Design Membership
Daegu, South Korea
Wook-sun Oh, young-ho Lee, Jun-kyo Lee