| 摘要 |
A method for securing a transaction between a transaction device and an external device is described. The transaction device includes a communication controller, an application processor, and an input device. The method includes requiring the user to enter agreed transaction data via the input device, monitoring the transaction data designated to be sent to the external device or received from the external device, and preventing the transaction data designated to be sent from being sent to the external device if the transaction data designated to be sent is different from the agreed transaction data, or rejecting the received transaction data if the received transaction data is different from the agreed transaction data.
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