Abstract: A portable electronic device of an embodiment includes a first value information storage unit, a second value information storage unit, a transaction processing unit, and a switching processing unit. The first value information storage unit stores first value information corresponding to a remaining amount of an amount paid in advance. The second value information storage unit stores second value information capable of being used in a credit transaction settlement. The transaction processing unit performs a prepaid settlement process of performing a settlement by subtracting the first value information stored by the first value information storage unit in accordance with an amount of a transaction.

Abstract: A portable electronic device has a confidential data storage, a disclosure method selection unit and a disclosure processing unit. The confidential data storage stores confidential data. The disclosure method selection unit selects disclosure method information indicating a data disclosure method for disclosing the confidential data stored in the confidential data storage, based on user identification information for identifying a user received from an external apparatus. The disclosure processing unit generates output data in which at least a portion of the confidential data is hidden in accordance with the disclosure method information selected by the disclosure method selection, and transmits the output data to the external apparatus.

Abstract: A wireless communication system has a first communication apparatus and a second communication apparatus. The first communication apparatus has an information generator to generate first information associated with a mobile terminal, an encoder to encode the first information, and a first wireless communication module to transmit the encoded first information to the mobile terminal by close range wireless communication. The second communication apparatus has a second wireless communication module to receive the encoded first information transmitted by the mobile terminal and second information, a decoder to decode the encoded first information, a verification module to verify validity of the first information, and an information processing module to process the second information received by the second wireless communication module when the validity is confirmed by the verification module.

Abstract: A wireless communication system has a first communication apparatus and a second communication apparatus. The first communication apparatus has an information generator to generate first information associated with a mobile terminal, an encoder to encode the first information, and a first wireless communication module to transmit the encoded first information to the mobile terminal by close range wireless communication. The second communication apparatus has a second wireless communication module to receive the encoded first information transmitted by the mobile terminal and second information, a decoder to decode the encoded first information, a verification module to verify validity of the first information, and an information processing module to process the second information received by the second wireless communication module when the validity is confirmed by the verification module.

Abstract: A mobile wireless device has a first communication unit configured to perform proximity wireless communication with a communication device, a certification unit configured to perform a certification process between the mobile wireless device and the communication device via the proximity wireless communication using the first communication unit, a second communication unit configured to perform proximity wireless communication with an extra mobile wireless device, and an operation controller configured to control the extra mobile wireless device via the proximity wireless communication using the second communication unit, after the certification process is normally completed.

Abstract: According to one embodiment, an IC card includes a receiving unit and an executing unit. The receiving unit is configured to receive a batch processing command. The executing unit is configured to execute a first processing and a second processing in response to the reception of the batch processing command.