Block chain-based electronic invoice integrated processing method and system

Abstract

The present invention discloses a block chain-based electronic invoice integrated processing method and system and belongs to the electronic invoice technical field. The method includes the following steps that: tax payment clients acquire user digital certificates and add the user digital certificates to a block chain network; the tax payment clients arrange the content of electronic invoices into the optional data fields of transactions, sign the transactions and submit the transactions; a plurality of accounting nodes are deployed, some accounting nodes endorse the submitted transactions and send the endorsed transactions to the tax payment clients; the tax payment clients judge whether the endorsed transactions accord with endorsement strategies, if the endorsed transactions accord with the endorsement strategies, the tax payment clients send the endorsed transactions to a consensus service node; and the consensus service nodes performs consensus sorting and send formed blocks to all the accounting nodes; and all the accounting nodes verify whether the identities of drawers are consistent with identities in the user digital certificates of the drawers, add transactions of which the identities are consistent with the identities in the user digital certificates of the drawers to a block chain, and send transaction IDs to the corresponding tax payment clients. With the block chain-based electronic invoice integrated processing method and system of the invention adopted, decentralization can be realized, so that the paralysis of the entire system or a network caused by a single-point fault can be avoided.

Description

Technical field [0001] The invention relates to the technical field of electronic invoices, in particular to a block chain-based comprehensive processing method and system for electronic invoices. Background technique [0002] Electronic invoices refer to receipts and payments vouchers issued and received by all units and individuals in purchasing and selling commodities, providing or receiving services, and engaging in other business activities. Traditional paper electronic invoices have some disadvantages, such as easy forgery, high printing cost, inconvenient storage, and unfavorable automatic processing. [0003] At present, electronic invoices are used more and more. Electronic invoices refer to units and individuals that use standard invoicing software determined by tax authorities to issue, in accordance with the format and method required by the competent authority, when purchasing and selling goods, providing or receiving services, and engaging in other business activities...

AI Technical Summary

Problems solved by technology

[0004] However, there are some disadvantages of centralization in electronic invoices. The authenticity of electronic invoices depends on centralized electronic signatures, and the storage is also centralized. In this way, there are vari

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