| 摘要 |
PROBLEM TO BE SOLVED: To provide a transaction system, a transaction terminal, and a management server preventing a return of an incorrect acquisition value and a fraudulently many acquisition value.SOLUTION: The transaction terminal includes: cancellation acceptance means for accepting a predetermined cancellation operation; and return request transmission means that transmits to a management server, a return request including transaction history identification information capable of identifying a transaction history stored in transaction history storage means on the basis of the acceptance of the cancellation operation by the cancellation acceptance means. The management server includes return means that, upon receiving the return request, adds an acquisition value included in the transaction history identified by the transaction history identification information included in the return request, to an acquisition value managed in acquisition value management means associated with recording medium identification information of a recording medium accepted by recording medium processing means in the transaction, and returns the added value. |
