An electronic money mediation system is provided with a service server that mediates payment using electronic money and reception thereof. A transaction information acquisition unit acquires transaction information by associating payment information from a payer terminal with reception information from a receiver terminal. A payment reception processing unit acknowledges completion of a deposit made by a payer into a first account, of the service server, for first electronic money which is the same type as that used in the payment made by the payer. In response to acknowledgement of the deposit made by the payer, a payment transfer processing unit remits, from a second account for second electronic money of the service server to a receiver, an amount of second electronic money corresponding to the paid amount of the first electronic money deposited by the payer into the first account.
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