METHOD AND SYSTEM FOR SAFE PAYMENT BY PORTABLE TERMINAL

摘要

PROBLEM TO BE SOLVED: To provide a service provision system for payment processing related to a transaction between a debtor and a creditor.

SOLUTION: The invention is made up of: a transaction indication step (106) for indicating at least a payment amount; a transaction authentication step (304) for sending an authentication message between a first node related to a payment service provision system and a second node related to a debtor apparatus on the second network, the respective nodes being individually and reliably identified by a node identification code and the authentication message that sends an authentication code; and a transaction verification step (204) for sending a response message on the first network to a creditor apparatus from a payment service provision system when the payment service provision system receives an authentication code at least related to a debtor identification code.

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