Abstract: A system and a method for PIN blocking on a terminal for mobile finance in accordance with the present invention can remotely block a smart chip within a mobile communication terminal, when a customer loses the terminal for using a mobile financial service. This prevents a finder or a third party from obtaining information stored in the smart chip or accessing the mobile financial service as the owner of the terminal. As a result, it can remarkably increase security for customer information and financial transactions.

Abstract: The present invention generally relates to a wireless banking system and a wireless banking method using a mobile phone. The mobile phone includes a smart card inputting smart card information consisting of bank account information, log information, and an authentication key. A card applet is provided which operates the smart card information. The banking service uses a common full text and individual full texts used for banking transactions, prepared through the smart card information and an input of the mobile phone. An encoding/decoding module is provided for encoding the banking service full text and decoding the response to the banking service full text by using a session key; and a card manager communicating the application with the smart card.