Two-dimensional code validity control method and system

The invention discloses a two-dimensional code validity control method, and the two-dimensional code validity control method comprises the following steps: receiving a customer operation carrying thebiological information features and operation information of a customer through a man-machine interac...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	GAN LITING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE CALCULATING CHECKING-DEVICES COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING GENERATING RANDOM NUMBERS HANDLING RECORD CARRIERS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS REGISTERING OR INDICATING THE WORKING OF MACHINES TIME OR ATTENDANCE REGISTERS VOTING OR LOTTERY APPARATUS
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