Method for issuing fake long-term credit card based on block chain and storage medium

A letter of credit and blockchain technology, applied in data processing applications, instruments, finance, etc., can solve problems such as high cost, low work efficiency, and low transaction security, achieve reliable trade activities, improve security, and improve trust. degree of effect

Active Publication Date: 2020-05-15
HUNAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention provides a method for issuing a false long-term letter of credit based on a block chain and a computer-readable storage medium to solve the problems of low transaction security and work efficiency in the existing method for issuing a false long-term letter of credit Low-cost, high-cost technical issues

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  • Method for issuing fake long-term credit card based on block chain and storage medium
  • Method for issuing fake long-term credit card based on block chain and storage medium
  • Method for issuing fake long-term credit card based on block chain and storage medium

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Embodiment Construction

[0064] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in various ways defined and covered below.

[0065] For ease of understanding, such as figure 2 with image 3 As shown, the multi-party nodes involved in the blockchain in the method for issuing a fake usance letter of credit based on the blockchain are explained below.

[0066] ①Oracle (Oracle): A platform that provides external information, can allow the blockchain to connect to any existing API (Application Programming Interface), and can import, store, and export information about network subjects on the blockchain, Realize the dynamic acquisition of information;

[0067] ②Importer node: Refers to enterprises or merchants engaged in import trade. They purchase goods from abroad, and then sell them to industrial and mining enterprises, wholesalers, and retailers in the country where they are located; o...

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Abstract

The invention discloses a method for issuing a fake long-term credit card based on a block chain and a computer readable storage medium. According to the method for issuing a fake long-term credit card based on a block chain, an intelligent contract technology in the block chain is utilized to simplify an execution process of transaction based on the false long-term credit card; hash signature needs to be carried out when two transaction parties carry out association operation in a transaction process; the possibility of default and fraud of import and export parties is reduced; he related information in the cargo transportation period is uploaded to the block chain network and linked to the fake long-term credit card, so that the problems of trust and risk in payment and delivery are solved, the trust degree of two transaction parties is improved, the transaction security is improved, and faster, safer and more reliable trade activities are realized.

Description

technical field [0001] The present invention relates to the technical field of issuing false long-term letters of credit in trade financing, in particular, to a method for issuing false long-term letters of credit based on blockchain, and a computer-readable storage medium. Background technique [0002] Such as figure 1 As shown, the fake usance letter of credit is also called the buyer's usance letter of credit, which means that the beneficiary of the letter of credit stipulates that the beneficiary draws a usance draft, but the issuing / paying bank will pay at sight, and the paying bank is responsible for discounting and stipulates all discount charges (interest and charges) shall be borne by the importer. That is to say, the trade contract signed by the buyer and the seller was originally stipulated to pay at sight, but the certificate required the exporter to issue a long-term bill of exchange. At the same time, the certificate also stated that the long-term bill of exch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q40/04G06F21/64
CPCG06Q40/04G06F21/64
Inventor 马超群褚晓璇周中定李信儒兰秋军
Owner HUNAN UNIV
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