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An invoice inspection method based on blockchain technology without disclosing original information

A technology for checking original information and invoices, which can be used in the inspection of the authenticity of banknotes, instruments, processing coins or valuable banknotes, etc.

Active Publication Date: 2020-05-19
大账房网络科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If you can directly query the content related to the invoice, it will cause the leakage of private information of the enterprise or unit, and it will also cause the leakage of data related to national finance and taxation.

Method used

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  • An invoice inspection method based on blockchain technology without disclosing original information
  • An invoice inspection method based on blockchain technology without disclosing original information
  • An invoice inspection method based on blockchain technology without disclosing original information

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Embodiment Construction

[0027] Embodiments according to the present invention will be described below with reference to the drawings, but the present invention is not limited thereto. The constituent elements of the embodiments described below can be appropriately combined. In addition, some constituent elements may not be used.

[0028] S1. Define an invoice template and establish an invoice template library.

[0029] The purpose of using the invoice template is to standardize the data standard for extracting the characteristic value of the invoice, and to be compatible with various formats of invoice information by using different templates. Invoice templates are usually defined according to the two dimensions of different layouts and versions of invoices. Generally, different templates can be defined according to the format of the invoice, such as: special value-added tax invoices, uniform invoices for motor vehicle sales, special value-added tax invoices for the freight transportation industry,...

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PUM

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Abstract

The application provides an invoice checking method based on block chain technology without disclosing original information. The invoice checking method based on block chain technology without disclosing original information comprises the following steps that S1, invoice templates are defined, and an invoice template library is established; S2, invoice data templating is carried out on invoices according to the corresponding invoice templates; S3, template invoice characteristic data is calculated; S4, invoice information uplink is carried out; and S5, the invoice information is verified. According to the invoice checking method based on the block chain technology without disclosing original information, the authenticity of the invoice is verified by using the public information query in ablock chain, and the online verification query of the invoice content is realized. People can further query related operations such as invoice voiding and credit note, and the entire change history of the invoice can be verified.

Description

technical field [0001] The invention relates to the field of computer technology and the field of financial and taxation invoices, in particular to an invoice inspection method based on blockchain technology that does not disclose original information. Background technique [0002] Invoices are receipts and payments issued and obtained by units and individuals in the purchase and sale of commodities, provision or acceptance of services, and other business activities. In the economic development of our country, the invoice, as an economic certificate, is an indispensable part of the economic activities of enterprises and individuals. And because of the economic characteristics of invoices, some lawbreakers make and sell false invoices for economic benefit. In the financial accounting of the enterprise, the unit records the cost and expense with the invoice, so as to determine the profit. If a fake invoice is received, the tax bureau will exclude this part of the cost when c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G07D7/0047G07D7/206
CPCG07D7/0047G07D7/206
Inventor 付少庆饶森林
Owner 大账房网络科技股份有限公司