Patent ID: 11922477

Abstract:
The present invention provides an information processing device including: a storage unit that is configured to store an object ID of an object, a user ID of a user owning the object, a first price of the object, a second price of the object, and an exchange condition of the object in association with one another; a price setting terminal that is configured to determine the first price; an appropriate exchange object selecting unit that is configured to select an appropriate exchange object in accordance with the exchange condition; a price comparing unit that is configured to compare the second price of an object of an exchange destination selected by the appropriate exchange object selecting unit with the first price of an object of an exchange source; a payment amount calculating unit that is configured to determine a payment amount of a user owning the object of the exchange source; a first transmission unit that is configured to notify a user terminal of the user owning the object of the exchange source of the payment amount; a payment checking terminal that is configured to check payment information from the user owning the object of the exchange source; and a setting unit that is configured to set the stored object ID corresponding to the exchange condition to an object ID of an object after an exchange in accordance with the payment information.