MONEY TRANSACTION SYSTEM, INFORMATION TERMINAL, COMPUTER PROGRAM, AND MONEY TRANSACTION METHOD

原文（中国語）

In a monetary transaction system, a first information terminal includes: an acquisition means configured to acquire data of a transaction amount; a payment means configured to, when a user of the first information terminal gives approval for payment of the transaction amount, reduce balance of balance data stored in the first information terminal according to the transaction amount; and a first display means configured to, when reduction of the balance of the balance data has been completed, display payment completion image information on a first image display unit. A second information terminal includes: an image reading means configured to cause an image reading unit to read the payment completion image information displayed by the first information terminal; and a receiving means configured to, when the payment completion image information has been read, increase balance of balance data stored in the second information terminal according to the transaction amount.