Patent ID: 7926713
Filing Date: 2011-04-19
Classification: G06Q

Abstract:
1. A settlement server configured to subtract a monetary value equivalent to a settlement amount demanded by a first settlement request server from a settlement execution terminal having stored a monetary value as electronic information, the settlement execution terminal configured to increase/decrease the monetary value based on amount update information, the settlement server comprising: a processor; and a memory device storing instructions which when executed by the processor, cause the processor to: (a) transmit: (b) receive, from the settlement execution terminal: (c) determine a second calculation result by performing the predetermined calculation on at least the received amount and the first seed; (d) determine whether the second calculation result is equal to the received first calculation result; (e) determine whether the received amount is equal to the settlement amount; and (f) in response to the received amount and the settlement amount being equal, transmit, to the settlement execution terminal, amount update information for subtracting a monetary value equivalent to the received amount.