| 摘要 |
A means for facilitating a transaction whereby one or more questions are encoded and then scanned by a personal portable device, such as a mobile telephone 3. The questions are used for confirming details pertinent to a transaction, such as a purchase from a shop or over the internet, or a transfer of monies between personal bank accounts, or a granting of permission of access or use, or transfer of responsibility. The encoded question-information could be in the form of a graphical pattern such as a 2-dimensional barcode 2, or could be stored electronically on an RFID device. After scanning by the personal portable device, the questions are displayed on the device. Answers given to the questions may then be used to form the basis for the transaction by defining, for example, articles or services being purchased or amounts of monies being transferred.
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