Safe payment system and method based on finger vein recognition and blockchain technology

Abstract

The invention discloses a safe payment system based on finger vein recognition and blockchain technology. The safe payment system comprises a finger vein recognition module and a regional chain payment module, the finger vein recognition module is used for performing finger vein image acquisition, preprocessing and feature extraction on a finger when a user is verified; the regional chain paymentmodule comprises a finger vein verification account and a finger vein recognition intelligent contract; the invention also discloses a safe payment method based on the finger vein recognition and blockchain technology. The method comprises the following steps: 1) constructing a blockchain payment network; 2) performing finger vein recognition payment operation; and 3) performing finger vein recognition recharging operation. According to the method, the problem that trade cannot be normally completed when a traditional mobile device is in abnormal states such as shutdown and no signal is provided is solved, the risk that a payment password of the mobile terminal is possibly stolen is avoided, and the use convenience of a user and the safety of a payment network are improved.

Description

technical field [0001] The invention belongs to the field of transaction payment, and in particular relates to a secure payment system and method based on finger vein recognition and block chain technology. Background technique [0002] With the development and popularization of e-commerce, mobile payment is favored by merchants and consumers because of its fast and convenient features. However, in today's information age, lawbreakers take advantage of network vulnerabilities to unscrupulously spread mobile phone viruses, mobile phone Trojan horses and other malicious software, making mobile payment in an extremely unstable state. The password entered on the mobile phone is very likely to be stolen by malicious software. There is also a defect that when the mobile device is turned off, has no signal, etc. and cannot communicate with the payment background, the transaction cannot be completed normally. [0003] The traditional blockchain payment network has brought a lot of ...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a technical solution for a secure payment system and method based on finger vein recognition and block chain technology in view of the deficiencies in the prior art, which solves the problem that traditional mobile devices cannot The problem of completing the transaction normally avoids the risk that the mobile terminal payment password may be stolen, and improves the convenience of users and the security of the payment network

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