Risk control method and device for payment transaction

Risk control method and device for payment transaction

The invention provides a risk control method and device for payment transaction, and relates to the technical field of computer data processing, and the method comprises the steps that a bank server issues a related index to a mobile terminal of a first client; when the mobile terminal of the first...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HU JIAFENG, CHEN HUIYING, TANG DONGBO, GUO LONGHANG, LI NA, ZHU JIANGBO, HAN TIANYANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES
PHYSICS
SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:The invention provides a risk control method and device for payment transaction, and relates to the technical field of computer data processing, and the method comprises the steps that a bank server issues a related index to a mobile terminal of a first client; when the mobile terminal of the first client is in a network-free state, determining a plurality of related account fingerprints corresponding to the first client; the mobile terminal of the first client generates a payment two-dimensional code; when a mobile terminal of a second client pays, identifying a payment two-dimensional code provided by the first client, and sending the acquired public key, a plurality of related account fingerprints corresponding to the first client and related indexes of the first client and the corresponding related accounts to a bank server corresponding to the second client; the bank server corresponding to the second client determines a correlation index of the first client and the second client; and performing risk con