TRANSACTION SYSTEM, TRANSACTION PROCESSING METHOD, TRANSACTION PROCESSOR AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a transaction system capable of improving the safety performance during transaction processing between portable transaction processor and a peripheral unit.SOLUTION: The transaction system includes: a portable transaction processor; a docking unit which is connectable with a various peripheral units, and which is mounted/dismounted with a transaction processor. The transaction processor determines permission/rejection of communication connection with a peripheral unit connected to the docking unit on which the transaction processor is mounted on the basis of a piece of identification information of the transaction processor. The transaction processor performs a transaction processing by establishing a communication connection with the peripheral unit the communication connection with which is permitted.SELECTED DRAWING: Figure 14