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Its not unusual that we forget what we spent our money on, and this Bill Keeper keeps track of your money and spending all on the wallet itself! Employing the most modern RFID technology to verify the authenticity of your paper money and record the result on the wallet. The records are kept in long form of addition and subtraction for the user to easily understand their expenditure history, which, in turn, helps the monetary management.
Ming Chi University of Technology
Taipei, Taiwan
Yen Hsu
Tz-Chiang Chin
Ming Chi University of Technology
Taipei, Taiwan
Zhao-Yu Chan
Shiang-Li Ni
Chien-I Ho