Application programs, payment control methods, payment servers, programs, and payment systems

The application program facilitates flexible electronic payments by generating offline codes using a secret key and time, addressing communication difficulties and ensuring secure offline transactions.

JP7884157B2Active Publication Date: 2026-07-02PAYPAY CO LTD

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
PAYPAY CO LTD
Filing Date
2026-03-12
Publication Date
2026-07-02

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Abstract

To enable more flexible electronic payments. [Solution] An application program that operates on a user's terminal device and cooperates with a payment server to provide an electronic payment service to the user, wherein when an electronic payment is made, the application program causes the terminal device to communicate with the payment server, and when communication with the payment server is in a normal first state, it causes the terminal device to display an online code image generated using a one-time code obtained by communication from the payment server, and when communication with the payment server is difficult in a second state, it causes the terminal device to generate an offline code image using an offline code generated based on the time and a secret key, and displays the offline code image on the terminal device's display.
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