Invoice auditing method and device based on block chain

Abstract

The invention provides an invoice auditing method and device based on a block chain, relates to the field of electronic commerce, and the invoice auditing method and device are used for preventing repeated reimbursement of invoices. The method comprises the steps of an invoice processing server obtaining first invoice information of an invoice to be reimbursed; wherein the first invoice information comprises a unique identifier of an invoice to be reimbursed; querying a reimbursement record of the invoice to be reimbursed in the block chain according to the unique identifier of the invoice to be reimbursed; if the reimbursement records of the to-be-reimbursed invoices are not recorded in the nodes meeting the preset number in the block chain, determining that the to-be-reimbursed invoices are not reimbursed; marking the invoice to be reimbursed as an unreimbursed invoice, and sending the unreimbursed invoice to invoice auditing equipment, so that the invoice auditing equipment audits and reimburses the invoice to be reimbursed; receiving a reimbursement record of the invoice to be reimbursed sent by the invoice auditing device; and writing the reimbursement record of the invoice to be reimbursed into a plurality of nodes of the block chain. Reimbursement personnel can be effectively prevented from using the same invoice for repeated reimbursement.

Description

technical field [0001] This application relates to the field of e-commerce, in particular to a block chain-based invoice verification method and device. Background technique [0002] The current electronic invoice reimbursement process is generally as follows: the electronic invoice reimbursement personnel verify the electronic invoice on the national tax invoice verification platform through the invoice number, invoice code and other invoice information, and after confirming the authenticity of the invoice, print the paper of the electronic invoice Paper documentation of certified documents and verification information and submitted to invoice reviewers. The reviewer verifies the invoice and the authenticity verification message of the invoice, and confirms the reimbursement of the invoice after the verification is successful. In order to avoid repeated reimbursement and false reimbursement of invoices, reviewers will record the invoice information (invoice number, invoice...

AI Technical Summary

Problems solved by technology

[0003] Since the electronic files of electronic invoices can only be printed and submitted in paper files, the electronic files and electronic invoices can be kept forever, which may lead to illegal personnel deleting or modifying the corresponding invoice reimbursement records in the database, and using the electronic invoice for multiple repeated reimbursements Or use graphic editing software to modify the electronic invoice file information and invoice verification file information at the same time to make false reports and obtain improper benefits

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