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Various embodiments are described that relate to a smart card. When not connected to an external system, such as a laptop computer, the smart card can be configured to power itself. Thus, various functions can be practiced on the smart card in absence of connection to the external system. Example functions of the smart card can include user identification and authorization. In addition, the smart card can be configured to distinguish between different users and provide different access levels to different users and/or difference access to containers resident within the smart card. This can be done prior to when the smart card is connected to the external system.