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Exit tax refund and financing method and device based on block chain, and medium

A block chain and block technology, applied in the field of block chain, can solve the problems of high cost, long approval time, low efficiency of export tax rebate financing business, etc.

Pending Publication Date: 2021-05-28
HUNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] On the one hand, the present invention provides a blockchain-based export tax rebate financing method to solve the existing technical problems of low efficiency, high cost, false and deceptive risks, and long approval times in the existing export tax rebate financing business

Method used

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  • Exit tax refund and financing method and device based on block chain, and medium
  • Exit tax refund and financing method and device based on block chain, and medium
  • Exit tax refund and financing method and device based on block chain, and medium

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Embodiment Construction

[0084] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0085] For ease of understanding, the multi-party nodes and technical terms involved in the blockchain network in the blockchain-based export tax rebate financing method are explained below.

[0086] Blockchain technology is a distributed distributed system in which blocks are connected sequentially in chronological order, combined into a chained data structure, distributed and consistently stored in each participant, and cryptographically guaranteed to be tamper-proof and unforgeable. ledger technology. This technology provides a mechanism for trusted information and value transfer and exchange in an environment without authoritative central witness.

[0087] Smart contract technology, a sma...

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Abstract

The invention discloses an export tax refund and financing method and device based on a block chain, and a medium, the export tax refund and financing method based on the block chain completely publishes information on the whole industrial block chain on the block chain through the block chain, through repeated confirmation of multiple mechanisms, the real transparency of the information is improved. And machine learning risk modeling is carried out by using block chain data, a risk control model of export tax refund loan is constructed, a supervision department data island is broken through, the authenticity and non-tampering property of the data are ensured through a block chain cryptography principle and a chain structure, and the problems of low efficiency and export tax fraud caused by information asymmetry are reduced. According to the invention, the information of all participants is recorded on the block chain, the supervision data is shared, the risk can be systematically measured, the trust degree among the participants can be deepened, and false cheating behaviors such as false orders and counterfeit certificates which may occur in export tax refund financing business are completely eradicated.

Description

technical field [0001] The present invention relates to the technical field of block chain, in particular, to a block chain-based export tax rebate financing method, equipment and medium. Background technique [0002] The export tax rebate financing business mainly solves the problem of information asymmetry between the government, banks and enterprises by associating information such as corporate tax credit and tax contribution with bank credit, and provides a new financing model for high-quality export enterprises, effectively solving the problem of Difficulty in financing for export enterprises. The problem of difficult and expensive financing has always plagued the majority of small and micro enterprises. [0003] Such as figure 1 As shown, the traditional export tax rebate financing business process is as follows: figure 1 As shown, in the existing process, regulatory authorities and banks cannot effectively control the risks of export tax rebate financing business. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q20/06G06Q20/38G06Q20/40G06Q40/04G06K9/62G06F16/27G06F16/23G06F21/60G06F21/64
CPCG06Q20/065G06Q20/3823G06Q20/4014G06Q40/04G06F16/27G06F16/2365G06F21/602G06F21/64G06F18/2411
Inventor 马超群李登佳米先华周中定李信儒兰秋军万丽
Owner HUNAN UNIV
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