WO2021213474A1 - 基于区块链的税务管理方法、装置及计算机存储介质 - Google Patents

基于区块链的税务管理方法、装置及计算机存储介质 Download PDF

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WO2021213474A1
WO2021213474A1 PCT/CN2021/089055 CN2021089055W WO2021213474A1 WO 2021213474 A1 WO2021213474 A1 WO 2021213474A1 CN 2021089055 W CN2021089055 W CN 2021089055W WO 2021213474 A1 WO2021213474 A1 WO 2021213474A1
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tax
blockchain
data
node
information
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PCT/CN2021/089055
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English (en)
French (fr)
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梁伟道
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深圳前海星际同辉科技有限公司
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Publication of WO2021213474A1 publication Critical patent/WO2021213474A1/zh

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q40/00Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/10Tax strategies
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/38Payment protocols; Details thereof
    • G06Q20/382Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3829Payment protocols; Details thereof insuring higher security of transaction involving key management

Definitions

  • This application relates to the technical field of tax management, in particular to blockchain-based tax management methods, devices and computer storage media.
  • tax credit rating In the fields of tax credit rating, tax compliance, tax source monitoring, and tax audits, taxpayers generally report tax information on their own initiative, and tax control departments, invoicing departments, and other parties supervise taxation.
  • the main purpose of this application is to provide a blockchain-based tax management method, device, and computer storage medium, aiming to collect and process tax data through blockchain technology to avoid untrue tax data.
  • the blockchain-based tax management method includes the following steps:
  • the first node collects the tax data of the preset tax platform
  • the tax data is stored in the first node so that the second node of the blockchain where the first node is located can perform tax processing through the tax data, wherein the tax data Processing includes tax processing and/or tax refund processing.
  • the preset tax platform includes at least one of a tax control platform, an invoicing platform, and a tax reporting platform.
  • the step of verifying the authenticity of the tax data includes:
  • the method further includes:
  • the method further includes:
  • the method further includes:
  • the method further includes:
  • the tax data includes a plurality of pre-stored order identifiers and pre-stored order information corresponding to the pre-stored order identifier;
  • the method further includes:
  • the invoice information is sent to an invoicing platform in the preset tax platform, so that the invoicing platform can issue a paper invoice according to the invoice information.
  • this application also provides a blockchain-based tax management device.
  • the blockchain-based tax management device includes a memory, a processor, and a A blockchain-based tax management program running on a processor, and when the blockchain-based tax management program is executed by the processor, the blockchain-based tax management method described in any one of the above is implemented A step of.
  • this application also provides a computer storage medium on which a blockchain-based tax management program is stored, which is implemented when the blockchain-based tax management program is executed by a processor The steps of the blockchain-based tax management method described in any one of the above.
  • the first node collects tax data from a preset tax platform to verify the authenticity of the tax data.
  • the tax data is stored in the first node, so that the second node of the blockchain where the first node is located can perform tax processing through the tax data, wherein the tax processing includes tax processing and/or tax refund deal with.
  • This application collects tax data from the tax platform through blockchain technology, and conducts tax processing based on the real tax data stored by blockchain nodes, avoiding untrue tax data and improving the accuracy of tax management.
  • FIG. 1 is a schematic diagram of a terminal structure of a hardware operating environment involved in a solution of an embodiment of the present application
  • FIG. 2 is a schematic flowchart of an embodiment of a tax management method based on blockchain in this application;
  • FIG. 3 is a schematic flowchart of another embodiment of a tax management method based on blockchain in this application.
  • FIG. 4 is a schematic flowchart of another embodiment of the tax management method based on blockchain in this application.
  • the embodiment of this application provides a solution to collect tax data of the tax platform through blockchain technology, and perform tax processing based on the real tax data stored in the blockchain node, avoiding untrue tax data and improving the accuracy of tax management sex.
  • FIG. 1 is a schematic diagram of a terminal structure of a hardware operating environment involved in a solution of an embodiment of the present application.
  • the terminal in the embodiment of the present application is a terminal device corresponding to any node in the blockchain.
  • the terminal may include: a processor 1001, such as a CPU, a network interface 1004, a user interface 1003, a memory 1005, and a communication bus 1002.
  • the communication bus 1002 is used to implement connection and communication between these components.
  • the user interface 1003 may include a display screen (Display) and an input unit such as a keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface and a wireless interface.
  • the network interface 1004 may optionally include a standard wired interface and a wireless interface (such as a WI-FI interface).
  • the memory 1005 may be a high-speed RAM memory, or a stable memory (non-volatile memory), such as a magnetic disk memory.
  • the memory 1005 may also be a storage device independent of the aforementioned processor 1001.
  • terminal structure shown in FIG. 1 does not constitute a limitation on the terminal, and may include more or less components than shown in the figure, or combine some components, or arrange different components.
  • the memory 1005 which is a computer storage medium, may include an operating system, a network communication module, a user interface module, and a tax management program based on the blockchain.
  • the network interface 1004 is mainly used to connect to the back-end server and communicate with the back-end server;
  • the user interface 1003 is mainly used to connect to the client (user side) and communicate with the client;
  • the processor 1001 can be used to call the blockchain-based tax management program stored in the memory 1005 and perform the following operations:
  • the first node collects the tax data of the preset tax platform
  • the tax data is stored in the first node so that the second node of the blockchain where the first node is located can perform tax processing through the tax data, wherein the tax data Processing includes tax processing and/or tax refund processing.
  • the processor 1001 may call a blockchain-based tax management program stored in the memory 1005, and also perform the following operations:
  • the preset tax platform includes at least one of a tax control platform, an invoicing platform, and a tax reporting platform.
  • the processor 1001 may call a blockchain-based tax management program stored in the memory 1005, and also perform the following operations:
  • the processor 1001 may call a blockchain-based tax management program stored in the memory 1005, and also perform the following operations:
  • the processor 1001 may call a blockchain-based tax management program stored in the memory 1005, and also perform the following operations:
  • the processor 1001 may call a blockchain-based tax management program stored in the memory 1005, and also perform the following operations:
  • the processor 1001 may call a blockchain-based tax management program stored in the memory 1005, and also perform the following operations:
  • the tax data includes a plurality of pre-stored order identifiers and pre-stored order information corresponding to the pre-stored order identifier;
  • the processor 1001 may call a blockchain-based tax management program stored in the memory 1005, and also perform the following operations:
  • the invoice information is sent to an invoicing platform in the preset tax platform, so that the invoicing platform can issue a paper invoice according to the invoice information.
  • the blockchain-based tax management method includes the following steps:
  • Step S10 the first node collects tax data of a preset tax platform
  • a blockchain system corresponding to tax management is constructed to manage tax data through blockchain technology.
  • the blockchain system includes a data collection layer and a functional application layer.
  • the data collection layer includes the first node in the blockchain.
  • the first node connects to the preset tax platform through a connector to collect tax data in the preset tax platform.
  • the application layer provides functions such as automatic VAT invoice generation, automatic invoice issuance, automatic taxpayer declaration, and automatic tax refund to other nodes in the blockchain through the tax data collected by the data collection layer.
  • the tax data includes transaction amount, transaction party identity information, order information, etc.
  • the order information includes order identification, order amount, order time, order content, etc.
  • transaction parties include suppliers, purchasers, etc.
  • Blockchain is a kind of chained data structure that combines data blocks in sequence in chronological order, and is a distributed ledger that cannot be tampered with and can not be forged through cryptographic processing.
  • blockchain technology uses block-chain data structures to verify and store data, uses distributed node consensus algorithms to generate and update data, uses cryptography to ensure the security of data transmission and access, and uses automated scripts.
  • the preset tax platform includes at least one of a supply chain platform, a tax control platform, an invoicing platform, and a tax reporting platform.
  • the first node can obtain a large amount of tax data. Since the collected tax data is messy and unorganized, the first node can further organize and optimize the tax data to form clear and orderly tax information.
  • the first node is connected to the supply chain platform, tax control platform, and When there are multiple platforms in the invoicing platform and the tax reporting platform, the tax data of different platforms are arranged in different orders, and there may be incorrect or duplicate tax data. Therefore, after the first node collects the tax data, it checks multiple preset tax platforms Integrate tax data to simplify the data processing volume in the tax management process.
  • Step S20 verify the authenticity of the tax data
  • the tax data of the preset tax platform may be maliciously tampered with, or the taxpayer uploads wrong tax data, there is a difference between the tax data of the preset tax platform and the real tax data. Therefore, the first node is in After the collected tax data, the authenticity of the tax data can be verified to identify incorrect data in the tax data and avoid tax errors.
  • the blockchain includes multiple nodes, for example, the first node, the preset node of the blockchain where the transaction party is located, the blockchain node where the tax authority department is located, and so on.
  • the order information in the tax data can be obtained, and the order information can be sent to the preset node of the blockchain where the counterparty corresponding to the order information is located, so that the counterparty of the preset node can check whether the order information is Consistent with the real order, that is, the process of verifying order information, where the order information includes order participants, order identification, product unit price, product quantity, and order time.
  • the preset node verifies the order information
  • the corresponding verification result is fed back to the first node for the first node to verify the authenticity of the tax data, where the verification result includes authenticity or untrue data.
  • the order information can also be sent to the blockchain node where the IRS is located or the blockchain node where the tax authority is located to check the authenticity of the tax data.
  • the IRS or The blockchain node of the tax authority can query all the data on the chain, and according to the association between the order information, for example, the authenticity of the order information can be checked through information such as storage, storage, transaction data, and time.
  • Step S30 when the tax data is true, store the tax data in the first node so that the second node of the blockchain where the first node is located can perform tax processing through the tax data, wherein:
  • the tax processing includes tax processing and/or tax refund processing.
  • the first node is a data center on the blockchain, which mainly encapsulates data into a public data product or service after processing, and is used for tax data collection, tax data processing and analysis, and reporting And data management, so the data of the first node does not need to be synchronized to all nodes in the blockchain.
  • the tax data is stored in the first node for use by other nodes in the blockchain.
  • the second node of the blockchain where the first node is located performs tax processing through tax data, and tax processing includes tax processing And/or tax refund processing to realize automatic tax declaration and automatic tax refund functions through blockchain technology.
  • early warning information is generated based on the tax data, and the early warning information is sent to the preset tax platform, so that the tax personnel of the preset tax platform can check whether the tax data has errors or correct the wrong tax data.
  • the tax data of the tax platform is collected through blockchain technology, and tax processing is performed based on the real tax data stored in the blockchain node, so as to avoid untrue tax data and improve the accuracy of tax management It makes the collection of invoice flow, capital flow, production information flow, logistics and other information more accurate and timely, and provides strong support for the formation of taxation big data in the modernization of taxation management.
  • the method further includes:
  • Step S40 when a tax payment request is received, the identity information in the tax payment request is obtained;
  • Step S50 verify the identity information
  • the multiple nodes of the blockchain include the blockchain node where the taxpayer is located, and the taxpayer can implement automatic tax declaration through the blockchain node.
  • the taxpayer’s identity information is written into the taxpayer’s corresponding blockchain node to determine the taxpayer’s identity, where the identity information includes the taxpayer’s name, taxpayer’s identification number, and taxpayer’s identification number. Address, telephone number of taxpayer, account opening bank and account information, etc.
  • the terminal device where the taxpayer is located stores the private key and broadcasts the public key to other nodes in the blockchain. Any node in the blockchain can view the tax records stored by the blockchain node corresponding to the taxpayer through the public key. And tax refund records.
  • a taxpayer When a taxpayer initiates a tax payment request through a terminal device, it signs the identity information in the tax payment request with a private key to generate a corresponding digital signature. After the tax payment request containing the digital signature and identity information is sent to the first node through the blockchain node where the taxpayer is located, the first node obtains the identity information and digital signature in the received tax payment request, and passes the public key verification Whether the digital signature is consistent with the identity information, the purpose of verifying the identity of the taxpayer is realized and the identity information of the taxpayer is prevented from being stolen.
  • Step S60 when the identity information is verified, obtain target tax data corresponding to the identity information in the tax data;
  • Step S70 Generate tax records according to the target tax data, store the tax records, and send the tax records to the preset tax platform;
  • the first node when the identity information is verified, the first node obtains the target tax data corresponding to the identity information from the stored tax data, that is, the target tax data corresponding to the taxpayer. Generate tax records based on the target tax data, store the tax records, and send the tax records to the preset tax platform connected to the first node to realize automatic tax declaration, avoid complicated intermediate links, and improve tax management efficiency.
  • Step S80 Synchronize the tax record to the blockchain node where the taxpayer corresponding to the tax record is located.
  • the first node after the first node generates the tax record, it can also broadcast the tax record to other nodes in the blockchain, for example, send the tax record to the blockchain node where the taxpayer corresponding to the tax record is located.
  • the taxpayer In order for the taxpayer to store the tax record on the blockchain node where the taxpayer is located, the taxpayer can view the tax record at any time through the blockchain node to realize the data synchronization of the blockchain, which is open and transparent.
  • a tax refund party when a tax refund party initiates a tax refund request through a terminal device, it signs the identity information in the tax refund request with a private key to generate a corresponding digital signature.
  • the first node After the tax refund request containing the digital signature and identity information is sent to the first node through the blockchain node where the tax refund party is located, the first node obtains the identity information and digital signature in the received tax refund request, and passes the public key verification Whether the digital signature is consistent with the identity information can achieve the purpose of verifying the identity of the tax refund party and prevent the identity information of the tax refund party from being stolen.
  • the first node obtains the target tax data corresponding to the identity information from the stored tax data, that is, the target tax data corresponding to the tax refund party.
  • Generate tax refund records based on the target tax data store the tax refund records, and send the tax refund records to the preset tax platform connected to the first node for verification.
  • Automatic tax refunds are realized through smart contracts, avoiding complicated intermediate links, and improving tax management efficiency.
  • the tax refund record can also be sent to the blockchain node where the corresponding customs department is located for inspection.
  • the first node After the first node generates the tax refund record, it can also broadcast the tax refund record to other nodes in the blockchain, for example, send the tax refund record to the blockchain node of the tax refund party corresponding to the tax refund record for the tax refund party's location
  • the blockchain node stores the tax refund record, and the tax refund party can view the tax refund record at any time through the blockchain node, so as to realize the data synchronization in the blockchain, which is open and transparent.
  • the taxpayer when a tax payment request is received, the taxpayer’s identity information is verified, and when the identity information is verified, the tax declaration is made according to the target tax data corresponding to the identity information, and the tax data is synchronized to the block
  • the nodes in the chain realize automatic tax declaration.
  • the method further includes:
  • Step S01 when receiving the invoice creation request, obtain the order identifier in the invoice creation request;
  • transaction parties such as purchasers, suppliers, etc. complete an order
  • they can upload order information through the corresponding blockchain node, so as to publish the order information on the blockchain node.
  • the transaction can also be carried out directly on the blockchain platform, and the order information after the transaction is completed is automatically stored on the block of the blockchain for calling or creating invoices.
  • the transaction party sends an invoice creation request to the first node through the blockchain node. It should be noted that on the display interface of the blockchain node where the transaction party is located, selection buttons for different order identifiers can be provided, and the transaction party clicks on different orders.
  • the identification selection button triggers an invoice creation request, where the invoice creation request includes an order identification, and the order identification may be an identification code of an order, which is used to indicate a certain order and is unique.
  • the first node obtains the order identifier in the invoice creation request.
  • Step S02 according to the order information corresponding to the order identifier in the tax data, wherein the tax data includes a plurality of pre-stored order identifiers and pre-stored order information corresponding to the pre-stored order identifier;
  • Step S03 generating invoice information according to the order information
  • the tax data stored by the first node includes multiple stored order identifiers and stored order information corresponding to the stored order identifiers.
  • the first node determines the stored order identifiers that are consistent with the order identifiers.
  • the pre-stored order information corresponding to the pre-stored order identifier is used as the order information corresponding to the order identifier.
  • the order information includes order participants, order identification, product unit price, product quantity, order time, etc.
  • Generate invoice information according to the content of the order information specifically, determine the header and payee of the invoice information according to the transaction participants in the order information, determine the invoiced amount of the invoice information according to the transaction amount in the order information, and determine the invoice according to the content of the order The purpose of the information, to create the invoice information.
  • Step S04 storing the invoice information, and sending the invoice information to the blockchain node where the issuing party corresponding to the invoice information is located.
  • the first node stores the invoice information as part of the tax data.
  • the first node can also send the invoice information to the blockchain node where the invoicer, payee or payer corresponding to the invoice information is located, so that the invoicer, payee, or payer can view the invoice information and realize the invoice information Data synchronization in blockchain nodes.
  • the invoicing party, the payee, or the payer can be a supplier, a purchaser, a logistics entrusting party, a logistics company, etc., by logging in to their respective blockchain nodes, querying, counting, or issuing invoices based on the invoice information. Write off the account.
  • the first node when the first node receives an invoice request triggered based on the invoice information, the first node checks according to the invoice information, and when the invoice information is verified to be valid, sends the invoice information to the preset tax platform docked with the first node
  • the invoicing platform in, for the invoicing platform to issue paper invoices, or, when the first node receives an invoicing request triggered based on the invoice information, the first node sends the invoice information to the corresponding blockchain node of the tax control bureau, For the blockchain node corresponding to the tax control bureau to issue electronic invoices based on the invoice information.
  • the first node when checking the invoice information, can query all the data on the chain, and based on the association between the invoice information, for example, it can check the information such as storage, storage, purchase and sale data, and time. And generate the corresponding statement to check the authenticity of the invoice information. At the same time, you can also inquire whether the invoice information has been applied for an invoice. When the invoice information is false or repeated invoices, the invoice information is confirmed as invalid invoice information to ensure the authenticity of the invoice.
  • the invoice creation request may also include invoice style information.
  • invoice style information For orders involving a relatively large amount, one invoice often cannot meet the invoicing requirements, and multiple invoices need to be issued.
  • different transaction parties have different requirements for the face value of invoices.
  • the invoice style selection interface is output for the transaction party to select the desired invoice style.
  • the invoice styles of different amounts are displayed on the invoice style selection interface.
  • the transaction party can select the invoice styles they want to issue by left-clicking or double-clicking the mouse.
  • the invoice style includes different invoice styles such as 500 yuan, 1,000 yuan, 5,000 yuan and 10,000 yuan.
  • invoice information When generating invoice information, create invoice information based on order information and invoice style information. On the basis of creating invoice information based on order information, adjust the amount of invoice information accordingly according to the target invoice style to generate one invoice information or multiple invoices information. For example, if the transaction amount in the order information is 6112 yuan and the amount of the invoice style information is 5000 yuan, then two invoice information are generated, one invoice information corresponds to the amount of 5000 yuan, and the other invoice information corresponds to the amount of 1112 yuan, but the title, payee, and purpose of the invoice information will not change.
  • the invoice codes and verification codes of the two paper invoices or two electronic invoices are different, which meets the differentiated needs of the transaction party while at the same time , Improve the efficiency of issuing value-added tax invoices.
  • the order identifier in the invoice creation request is obtained, the invoice information is generated according to the order information corresponding to the order identifier, and the invoice information is sent to the issuing party corresponding to the invoice information
  • the blockchain node where it is located uses blockchain technology to improve the efficiency of issuing invoices.
  • an embodiment of the present application also proposes a tax management device based on blockchain.
  • the tax management device based on blockchain includes: a memory, a processor, and a A running blockchain-based tax management program, when the blockchain-based tax management program is executed by the processor, the steps of the blockchain-based tax management method described in each of the above embodiments are implemented.
  • the embodiment of the present application also proposes a computer storage medium, the computer storage medium stores a blockchain-based tax management program, and the blockchain-based tax management program is executed by a processor to implement the above implementations.
  • the technical solution of this application essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM) as described above. , Magnetic disks, optical disks), including several instructions to make a terminal device (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the method described in each embodiment of the present application.
  • a terminal device which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

Abstract

一种基于区块链的税务管理方法,所述基于区块链的税务管理方法包括以下步骤:第一节点采集预设税务平台的税务数据(S10);验证所述税务数据的真实性(S20);在所述税务数据真实时,将所述税务数据存储至所述第一节点,以供所述第一节点所在区块链的第二节点通过所述税务数据进行税务处理,其中,所述税务处理包括纳税处理和/或退税处理(S30)。还公开了一种基于区块链的税务管理装置及计算机存储介质,通过区块链技术采集税务平台的税务数据,并根据区块链节点存储的真实税务数据进行税务处理,避免税务数据不真实的情况,提高税务管理的准确性。

Description

基于区块链的税务管理方法、装置及计算机存储介质
本申请要求2020年4月24日申请的,申请号为202010336192.9,名称为“基于区块链的税务管理方法、装置及计算机存储介质”的中国专利申请的优先权,在此将其全文引入作为参考。
技术领域
本申请涉及税务管理技术领域,尤其涉及基于区块链的税务管理方法、装置及计算机存储介质。
背景技术
在纳税信誉等级、税收遵从、税源监控、税务稽查等领域,一般是由纳税人主动上报税务信息,并由税控部门、开票部门等多方对税务进行监管。
由于存在纳税人虚报税务信息,或者税务平台中的税务数据被恶意篡改的情况,会使得纳税人的税务情况不真实,出现偷税漏税的问题。
上述内容仅用于辅助理解本申请的技术方案,并不代表承认上述内容是现有技术。
技术问题
本申请的主要目的在于提供一种基于区块链的税务管理方法、装置及计算机存储介质,旨在通过区块链技术进行税务数据的采集和处理,避免税务数据不真实。
技术解决方案
为实现上述目的,本申请提供一种基于区块链的税务管理方法,所述基于区块链的税务管理方法包括以下步骤:
第一节点采集预设税务平台的税务数据;
验证所述税务数据的真实性;
在所述税务数据真实时,将所述税务数据存储至所述第一节点,以供所述第一节点所在区块链的第二节点通过所述税务数据进行税务处理,其中,所述税务处理包括纳税处理和/或退税处理。
在一实施例中,所述预设税务平台包括税控平台、开票平台以及报税平台中的至少一个。
在一实施例中,所述验证所述税务数据的真实性的步骤包括:
获取所述税务数据中的订单信息;
将所述订单信息发送至所述订单信息的交易方所在的区块链预设节点,以供所述预设节点验证所述订单信息;
接收所述预设节点返回的验证结果,其中,所述验证结果包括数据真实或数据不真实。
在一实施例中,所述验证所述税务数据的真实性的步骤之后,还包括:
在所述税务数据不真实时,根据所述税务数据生成预警信息;
将所述预警信息发送至所述预设税务平台。
在一实施例中,所述将所述税务数据存储至所述第一节点的步骤之后,还包括:
在接收到纳税请求时,获取所述纳税请求中的身份信息;
验证所述身份信息;
在所述身份信息验证通过时,获取所述税务数据中与所述身份信息对应的目标税务数据;
根据所述目标税务数据生成纳税记录,存储所述纳税记录,并将所述纳税记录发送至所述预设税务平台;
将所述纳税记录同步至所述纳税记录对应的纳税方所在的区块链节点。
在一实施例中,所述将所述税务数据存储至所述第一节点的步骤之后,还包括:
在接收到退税请求时,获取所述退税请求中的身份信息;
验证所述身份信息;
在所述身份信息验证通过时,获取所述税务数据中与所述身份信息对应的目标税务数据;
根据所述目标税务数据生成退税记录,存储所述退税记录,并将所述退税记录发送至所述预设税务平台;
将所述退税记录同步至所述退税记录对应的退税方所在的区块链节点。
在一实施例中,所述将所述税务数据存储至所述第一节点的步骤之后,还包括:
在接收到发票创建请求时,获取所述发票创建请求中的订单标识;
根据所述税务数据中与所述订单标识对应的订单信息,其中,所述税务数据包括多个预存订单标识以及所述预存订单标识对应的预存订单信息;
根据所述订单信息生成发票信息;
存储所述发票信息,将所述发票信息发送至所述发票信息对应的开票方所在的区块链节点。
在一实施例中,所述将所述发票信息发送至所述发票信息对应的开票方所在的区块链节点的步骤之后,还包括:
在接收到基于所述发票信息触发的开票请求时,将所述发票信息发送至所述预设税务平台中的开票平台,以供所述开票平台根据所述发票信息开具纸质发票。
此外,为实现上述目的,本申请还提供一种基于区块链的税务管理装置,所述基于区块链的税务管理装置包括:存储器、处理器及存储在所述存储器上并可在所述处理器上运行的基于区块链的税务管理程序,所述基于区块链的税务管理程序被所述处理器执行时实现如上所述中任一项所述的基于区块链的税务管理方法的步骤。
此外,为实现上述目的,本申请还提供一种计算机存储介质,所述计算机存储介质上存储有基于区块链的税务管理程序,所述基于区块链的税务管理程序被处理器执行时实现如上所述中任一项所述的基于区块链的税务管理方法的步骤。
有益效果
本申请实施例提出的基于区块链的税务管理方法、装置及计算机存储介质,第一节点采集预设税务平台的税务数据,验证所述税务数据的真实性,在所述税务数据真实时,将所述税务数据存储至所述第一节点,以供所述第一节点所在区块链的第二节点通过所述税务数据进行税务处理,其中,所述税务处理包括纳税处理和/或退税处理。本申请通过区块链技术采集税务平台的税务数据,并根据区块链节点存储的真实税务数据进行税务处理,避免税务数据不真实的情况,提高税务管理的准确性。
附图说明
图1是本申请实施例方案涉及的硬件运行环境的终端结构示意图;
图2为本申请基于区块链的税务管理方法的一实施例的流程示意图;
图3为本申请基于区块链的税务管理方法另一实施例的流程示意图;
图4为本申请基于区块链的税务管理方法再一实施例的流程示意图。
本申请目的的实现、功能特点及优点将结合实施例,参照附图做进一步说明。
本发明的实施方式
应当理解,此处所描述的具体实施例仅仅用以解释本申请,并不用于限定本申请。
本申请实施例提供一种解决方案,通过区块链技术采集税务平台的税务数据,并根据区块链节点存储的真实税务数据进行税务处理,避免税务数据不真实的情况,提高税务管理的准确性。
如图1所示,图1是本申请实施例方案涉及的硬件运行环境的终端结构示意图。
本申请实施例终端为区块链中任一节点对应的终端设备。
如图1所示,该终端可以包括:处理器1001,例如CPU,网络接口1004,用户接口1003,存储器1005,通信总线1002。其中,通信总线1002用于实现这些组件之间的连接通信。用户接口1003可以包括显示屏(Display)、输入单元比如键盘(Keyboard),可选用户接口1003还可以包括标准的有线接口、无线接口。网络接口1004可选的可以包括标准的有线接口、无线接口(如WI-FI接口)。存储器1005可以是高速RAM存储器,也可以是稳定的存储器(non-volatile memory),例如磁盘存储器。存储器1005可选的还可以是独立于前述处理器1001的存储装置。
本领域技术人员可以理解,图1中示出的终端结构并不构成对终端的限定,可以包括比图示更多或更少的部件,或者组合某些部件,或者不同的部件布置。
如图1所示,作为一种计算机存储介质的存储器1005中可以包括操作系统、网络通信模块、用户接口模块以及基于区块链的税务管理程序。
在图1所示的终端中,网络接口1004主要用于连接后台服务器,与后台服务器进行数据通信;用户接口1003主要用于连接客户端(用户端),与客户端进行数据通信;而处理器1001可以用于调用存储器1005中存储的基于区块链的税务管理程序,并执行以下操作:
第一节点采集预设税务平台的税务数据;
验证所述税务数据的真实性;
在所述税务数据真实时,将所述税务数据存储至所述第一节点,以供所述第一节点所在区块链的第二节点通过所述税务数据进行税务处理,其中,所述税务处理包括纳税处理和/或退税处理。
在一实施例中,处理器1001可以调用存储器1005中存储的基于区块链的税务管理程序,还执行以下操作:
所述预设税务平台包括税控平台、开票平台以及报税平台中的至少一个。
在一实施例中,处理器1001可以调用存储器1005中存储的基于区块链的税务管理程序,还执行以下操作:
获取所述税务数据中的订单信息;
将所述订单信息发送至所述订单信息的交易方所在的区块链预设节点,以供所述预设节点验证所述订单信息;
接收所述预设节点返回的验证结果,其中,所述验证结果包括数据真实或数据不真实。
在一实施例中,处理器1001可以调用存储器1005中存储的基于区块链的税务管理程序,还执行以下操作:
在所述税务数据不真实时,根据所述税务数据生成预警信息;
将所述预警信息发送至所述预设税务平台。
在一实施例中,处理器1001可以调用存储器1005中存储的基于区块链的税务管理程序,还执行以下操作:
在接收到纳税请求时,获取所述纳税请求中的身份信息;
验证所述身份信息;
在所述身份信息验证通过时,获取所述税务数据中与所述身份信息对应的目标税务数据;
根据所述目标税务数据生成纳税记录,存储所述纳税记录,并将所述纳税记录发送至所述预设税务平台;
将所述纳税记录同步至所述纳税记录对应的纳税方所在的区块链节点。
在一实施例中,处理器1001可以调用存储器1005中存储的基于区块链的税务管理程序,还执行以下操作:
在接收到退税请求时,获取所述退税请求中的身份信息;
验证所述身份信息;
在所述身份信息验证通过时,获取所述税务数据中与所述身份信息对应的目标税务数据;
根据所述目标税务数据生成退税记录,存储所述退税记录,并将所述退税记录发送至所述预设税务平台;
将所述退税记录同步至所述退税记录对应的退税方所在的区块链节点。
在一实施例中,处理器1001可以调用存储器1005中存储的基于区块链的税务管理程序,还执行以下操作:
在接收到发票创建请求时,获取所述发票创建请求中的订单标识;
根据所述税务数据中与所述订单标识对应的订单信息,其中,所述税务数据包括多个预存订单标识以及所述预存订单标识对应的预存订单信息;
根据所述订单信息生成发票信息;
存储所述发票信息,将所述发票信息发送至所述发票信息对应的开票方所在的区块链节点。
在一实施例中,处理器1001可以调用存储器1005中存储的基于区块链的税务管理程序,还执行以下操作:
在接收到基于所述发票信息触发的开票请求时,将所述发票信息发送至所述预设税务平台中的开票平台,以供所述开票平台根据所述发票信息开具纸质发票。
参照图2,在一实施例中,所述基于区块链的税务管理方法包括以下步骤:
步骤S10,第一节点采集预设税务平台的税务数据;
在本实施例中,构建税务管理对应的区块链系统,以通过区块链技术对管理税务数据。区块链系统包括数据采集层和功能应用层,数据采集层包括区块链中的第一节点,第一节点通过连接器对接预设税务平台,以采集预设税务平台中的税务数据,功能应用层通过数据采集层采集的税务数据向区块链中的其他节点提供自动生成增值税发票、自动开具发票、纳税人自动申报、自动退税等功能。
可选地,税务数据包括交易金额、交易方身份信息以及订单信息等,订单信息包括订单标识、订单金额、订单时间以及订单内容等,交易方包括供应商、采购商等。
区块链是一种按照时间顺序将数据区块以顺序相连的方式组合成的一种链式数据结构,并通过密码学加工的不可篡改和不可伪造的分布式账本。广义来讲,区块链技术是利用块链式数据结构来验证与存储数据、利用分布式节点共识算法来生成和更新数据、利用密码学的方式保证数据传输和访问的安全、利用由自动化脚本代码组成的智能合约来编程和操作数据的一种全新的分布式基础架构与计算范式。
可选地,预设税务平台包括供应链平台、税控平台、开票平台以及报税平台中的至少一个。通过采集税务平台的税务数据后,第一节点可获取到大量的税务数据。由于采集到的税务数据比较杂乱,没有条理,因此,第一节点还可对税务数据进一步整理优化,形成清晰有序的税务信息,例如,第一节点在同时对接供应链平台、税控平台、开票平台以及报税平台中的多个平台时,不同平台税务数据的排列顺序不同,并且可能存在错误或者重复的税务数据,因此,第一节点在采集到税务数据后,对多个预设税务平台的税务数据进行整合,简化税务管理过程中的数据处理量。
步骤S20,验证所述税务数据的真实性;
在本实施例中,由于预设税务平台的税务数据可能被恶意篡改,或者纳税人上传了错误的税务数据,使得预设税务平台的税务数据与真实税务数据存在差异,因此,第一节点在采集到的税务数据后,可验证税务数据的真实性,以识别税务数据中的错误数据,避免税务出错。
可选地,区块链包括多个节点,例如,第一节点、交易方所在的区块链预设节点、税务机关部门所在的区块链节点等。在验证税务数据的真实性时,可获取税务数据中的订单信息,将订单信息发送至订单信息对应的交易方所在的区块链预设节点,以供预设节点的交易方检测订单信息是否与真实订单一致,即验证订单信息的过程,其中,订单信息包括订单参与方、订单标识、商品单价、商品数量以及订单时间等。预设节点验证订单信息后,将对应的验证结果反馈至第一节点,以供第一节点验证税务数据的真实性,其中,验证结果包括数据真实或者数据不真实。
可选地,在验证税务数据的真实性时,也可将订单信息发送至国税局所在的区块链节点或者税务机关所在的区块链节点查验税务数据的真实性,具体地,国税局或税务机关的区块链节点可查询所有的上链数据,并根据订单信息之间的关联,比如,可以通过入库、出库、买卖数据以及时间等信息对订单信息的真伪进行查验。
步骤S30,在所述税务数据真实时,将所述税务数据存储至所述第一节点,以供所述第一节点所在区块链的第二节点通过所述税务数据进行税务处理,其中,所述税务处理包括纳税处理和/或退税处理。
在本实施例中,第一节点为区块链上的数据中台,主要是将数据加工以后封装成一个公共的数据产品或服务,并用于税务数据的收集、税务数据的处理和分析、报表以及数据管理,因此第一节点的数据无需同步至区块链中所有节点。在税务数据真实时,将税务数据存储至第一节点,以供区块链中其他节点调用,例如,第一节点所在区块链的第二节点通过税务数据进行税务处理,税务处理包括纳税处理和/或退税处理,以通过区块链技术实现纳税的自动申报以及自动退税等功能。
在税务数据不真实时,根据税务数据生成预警信息,并将预警信息发送至预设税务平台,以供预设税务平台的税务人员查验该税务数据是否存在错误,或者修正该错误的税务数据。
在本实施例公开的技术方案中,通过区块链技术采集税务平台的税务数据,并根据区块链节点存储的真实税务数据进行税务处理,避免税务数据不真实的情况,提高税务管理的准确性,使发票流、资金流、生产信息流、物流等信息的采集更加准确及时,为形成税收管理现代化中的税收大数据提供有力支撑。
在另一实施例中,如图3所示,在上述图2所示的实施例基础上,步骤S30之后,还包括:
步骤S40,在接收到纳税请求时,获取所述纳税请求中的身份信息;
步骤S50,验证所述身份信息;
在本实施例中,区块链的多个节点包括纳税方所在的区块链节点,纳税方可通过该区块链节点实现纳税的自动申报。具体地,在创建区块链时,将纳税方的身份信息写入纳税方对应的区块链节点,以确定纳税方的身份,其中,身份信息包括纳税方名称、纳税方识别号、纳税方地址、纳税方电话、开户行及账号信息等。纳税方所在的终端设备存储有私钥,并将公钥广播至区块链中的其他节点,区块链中的任意节点均可通过公钥查看纳税方对应的区块链节点存储的纳税记录和退税记录。纳税方在通过终端设备发起纳税请求时,并通过私钥对纳税请求中的身份信息进行签名,生成对应的数字签名。在通过纳税方所在的区块链节点将包含有数字签名和身份信息的纳税请求发送至第一节点后,第一节点获取接收到的纳税请求中的身份信息与数字签名,并通过公钥验证该数字签名与身份信息是否一致,实现验证纳税方身份的目的,防止纳税人身份信息被窃取。
步骤S60,在所述身份信息验证通过时,获取所述税务数据中与所述身份信息对应的目标税务数据;
步骤S70,根据所述目标税务数据生成纳税记录,存储所述纳税记录,并将所述纳税记录发送至所述预设税务平台;
在本实施例中,在身份信息验证通过时,第一节点从存储的税务数据中获取与身份信息对应的目标税务数据,即纳税方对应的目标税务数据。根据目标税务数据生成纳税记录,存储该纳税记录,并将该纳税记录发送至第一节点对接的预设税务平台,实现纳税的自动申报,避免冗杂的中间环节,提升税务管理效率。
步骤S80,将所述纳税记录同步至所述纳税记录对应的纳税方所在的区块链节点。
在本实施例中,第一节点在生成纳税记录后,还可将纳税记录广播至区块链中的其他节点,例如,将纳税记录发送至纳税记录对应的纳税方所在的区块链节点,以供纳税方所在的区块链节点存储该纳税记录,纳税方可通过区块链节点随时查看该纳税记录,实现区块链的数据同步,公开透明。
类似地,退税方在通过终端设备发起退税请求时,并通过私钥对退税请求中的身份信息进行签名,生成对应的数字签名。在通过退税方所在的区块链节点将包含有数字签名和身份信息的退税请求发送至第一节点后,第一节点获取接收到的退税请求中的身份信息与数字签名,并通过公钥验证该数字签名与身份信息是否一致,实现验证退税方身份的目的,防止退税人身份信息被窃取。在身份信息验证通过时,第一节点从存储的税务数据中获取与身份信息对应的目标税务数据,即退税方对应的目标税务数据。根据目标税务数据生成退税记录,存储该退税记录,并将该退税记录发送至第一节点对接的预设税务平台进行查实,通过智能合约实现自动退税,避免冗杂的中间环节,提升税务管理效率,其中,在目标税务数据中包括离境商品的订单信息时,还可将退税记录发送至对应的海关部门所在的区块链节点进行查验。
第一节点在生成退税记录后,还可将退税记录广播至区块链中的其他节点,例如,将退税记录发送至退税记录对应的退税方所在的区块链节点,以供退税方所在的区块链节点存储该退税记录,退税方可通过区块链节点随时查看该退税记录,实现区块链中的数据同步,公开透明。
在本实施例公开的技术方案中,在接收到纳税请求时,验证纳税方的身份信息,并在身份信息验证时,根据身份信息对应的目标税务数据进行纳税申报,将纳税数据同步至区块链中的节点,实现纳税的自动申报。
在再一实施例中,如图4所示,在图2至图3任一实施例所示的基础上,步骤S30之后,还包括:
步骤S01,在接收到发票创建请求时,获取所述发票创建请求中的订单标识;
在本实施例中,采购方、供应商等交易方在完成一笔订单后,可以通过对应的区块链节点上传订单信息,以将该订单信息发布在区块链节点上。交易也可以直接在区块链平台上进行,交易完成后的订单信息自动存储到区块链的区块上,以供调用或创建发票等。交易方通过区块链节点发送发票创建请求至第一节点,需要说明的是,在交易方所在的区块链节点的显示界面上,可以提供不同订单标识的选择按钮,交易方通过点击不同订单标识的选择按钮触发发票创建请求,其中,发票创建请求包括订单标识,订单标识可以是订单的识别码,用于指示某一订单,是唯一的。第一节点在接收到发票创建请求时,获取发票创建请求中的订单标识。
步骤S02,根据所述税务数据中与所述订单标识对应的订单信息,其中,所述税务数据包括多个预存订单标识以及所述预存订单标识对应的预存订单信息;
步骤S03,根据所述订单信息生成发票信息;
在本实施例中,第一节点存储的税务数据中包括多个预存订单标识以及预存订单标识对应的预存订单信息,第一节点在获取到订单标识后,确定与订单标识一致的预存订单标识,并将该预存订单标识对应的预存订单信息作为该订单标识对应的订单信息。其中,订单信息包括订单参与方、订单标识、商品单价、商品数量以及订单时间等。根据订单信息中的内容生成发票信息,具体地,根据订单信息中的交易参与方确定发票信息的抬头以及收款方,根据订单信息中的交易金额确定发票信息的开票金额,根据订单内容确定发票信息的用途,创建出发票信息。
步骤S04,存储所述发票信息,将所述发票信息发送至所述发票信息对应的开票方所在的区块链节点。
在本实施例中,在根据订单信息生成发票信息后,第一节点存储该发票消息,作为税务数据的一部分。第一节点还可将该发票信息发送至发票信息对应的开票方、收款方或者付款方所在的区块链节点,以供开票方、收款方或者付款方查看该发票信息,实现发票信息在区块链节点中的数据同步。
可选地,开票方、收款方或者付款方可以是供应商、采购商,物流委托方以及物流公司等,通过登录各自的区块链节点,根据发票信息进行查询、统计或开具发票,以进行入账核销。具体地,第一节点在接收到基于发票信息的触发的开票请求时,第一节点根据发票信息进行查验,并在查验发票信息有效时,将发票信息发送至第一节点对接的预设税务平台中的开票平台,以供开票平台开具纸质发票,或者,第一节点在接收到基于发票信息的触发的开票请求时,第一节点将发票信息发送至税控局对应的区块链节点,以供税控局对应的区块链节点根据发票信息开具电子发票。
可选地,在对发票信息进行查验时,第一节点可以查询所有的上链数据,并根据发票信息之间的关联,比如,可以通过入库、出库、买卖数据以及时间等信息进行对账,并生成对应的结算单,以对发票信息的真伪进行查验。同时,也可以查询该发票信息是否已经申请过发票,在该发票信息不实或重复开票时,则确认该发票信息为无效发票信息,以此,来确保发票的真实性。
可选地,发票创建请求还可包括发票样式信息,对于涉及金额较大的订单,一张发票往往无法满足开票需求,需要开具多张。此外,不同的交易方对于开具发票的金额面值的需求不同,为满足交易方的需求,在交易方触发发票创建请求时,输出发票样式选择界面,以供交易方选择想要的发票样式。在发票样式选择界面上显示不同金额的发票样式,交易方可以通过鼠标左键单击或双击的形式,选择想要开具的发票样式。其中,发票样式包括500元,1000元,5000元以及10000元等不同的发票样式。在生成发票信息时,根据订单信息和发票样式信息创建发票信息,在根据订单信息创建发票信息的基础上,根据目标发票样式相应地调整发票信息上的金额,以生成一个发票信息或多个发票信息。例如,如果订单信息中的交易金额为6112元,而发票样式信息的金额为5000元,那么,生成两个发票信息,一个发票信息对应的金额为5000元,而另一个发票信息对应的金额为1112元,但发票信息上的抬头、收款方以及用途均不发生变化,开具的两张纸质发票或者两张电子发票的发票代码以及查验码不同,在满足交易方的差异化需求的同时,提高开具增值税发票的效率。
在本实施例公开的技术方案中,在接收到发票创建请求时,获取发票创建请求中的订单标识,根据订单标识对应的订单信息生成发票信息,并将发票信息发送至发票信息对应的开票方所在的区块链节点,通过区块链技术提高开具发票的效率。
此外,本申请实施例还提出一种基于区块链的税务管理装置,所述基于区块链的税务管理装置包括:存储器、处理器及存储在所述存储器上并可在所述处理器上运行的基于区块链的税务管理程序,所述基于区块链的税务管理程序被所述处理器执行时实现如上各个实施例所述的基于区块链的税务管理方法的步骤。
此外,本申请实施例还提出一种计算机存储介质,所述计算机存储介质上存储有基于区块链的税务管理程序,所述基于区块链的税务管理程序被处理器执行时实现如上各个实施例所述的基于区块链的税务管理方法的步骤。
需要说明的是,在本文中,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者系统不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者系统所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括该要素的过程、方法、物品或者系统中还存在另外的相同要素。
上述本申请实施例序号仅仅为了描述,不代表实施例的优劣。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品存储在如上所述的一个存储介质(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端设备(可以是手机,计算机,服务器,空调器,或者网络设备等)执行本申请各个实施例所述的方法。
以上仅为本申请的优选实施例,并非因此限制本申请的专利范围,凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本申请的专利保护范围内。

Claims (10)

  1. 一种基于区块链的税务管理方法,其中,所述基于区块链的税务管理方法包括以下步骤:
    第一节点采集预设税务平台的税务数据;
    验证所述税务数据的真实性;
    在所述税务数据真实时,将所述税务数据存储至所述第一节点,以供所述第一节点所在区块链的第二节点通过所述税务数据进行税务处理,其中,所述税务处理包括纳税处理和/或退税处理。
  2. 如权利要求1所述的基于区块链的税务管理方法,其中,所述预设税务平台包括税控平台、开票平台以及报税平台中的至少一个。
  3. 如权利要求1所述的基于区块链的税务管理方法,其中,所述验证所述税务数据的真实性的步骤包括:
    获取所述税务数据中的订单信息;
    将所述订单信息发送至所述订单信息的交易方所在的区块链预设节点,以供所述预设节点验证所述订单信息;
    接收所述预设节点返回的验证结果,其中,所述验证结果包括数据真实或数据不真实。
  4. 如权利要求1所述的基于区块链的税务管理方法,其中,所述验证所述税务数据的真实性的步骤之后,还包括:
    在所述税务数据不真实时,根据所述税务数据生成预警信息;
    将所述预警信息发送至所述预设税务平台。
  5. 如权利要求1所述的基于区块链的税务管理方法,其中,所述将所述税务数据存储至所述第一节点的步骤之后,还包括:
    在接收到纳税请求时,获取所述纳税请求中的身份信息;
    验证所述身份信息;
    在所述身份信息验证通过时,获取所述税务数据中与所述身份信息对应的目标税务数据;
    根据所述目标税务数据生成纳税记录,存储所述纳税记录,并将所述纳税记录发送至所述预设税务平台;
    将所述纳税记录同步至所述纳税记录对应的纳税方所在的区块链节点。
  6. 如权利要求1所述的基于区块链的税务管理方法,其中,所述将所述税务数据存储至所述第一节点的步骤之后,还包括:
    在接收到退税请求时,获取所述退税请求中的身份信息;
    验证所述身份信息;
    在所述身份信息验证通过时,获取所述税务数据中与所述身份信息对应的目标税务数据;
    根据所述目标税务数据生成退税记录,存储所述退税记录,并将所述退税记录发送至所述预设税务平台;
    将所述退税记录同步至所述退税记录对应的退税方所在的区块链节点。
  7. 如权利要求1所述的基于区块链的税务管理方法,其中,所述将所述税务数据存储至所述第一节点的步骤之后,还包括:
    在接收到发票创建请求时,获取所述发票创建请求中的订单标识;
    根据所述税务数据中与所述订单标识对应的订单信息,其中,所述税务数据包括多个预存订单标识以及所述预存订单标识对应的预存订单信息;
    根据所述订单信息生成发票信息;
    存储所述发票信息,将所述发票信息发送至所述发票信息对应的开票方所在的区块链节点。
  8. 如权利要求7所述的基于区块链的税务管理方法,其中,所述将所述发票信息发送至所述发票信息对应的开票方所在的区块链节点的步骤之后,还包括:
    在接收到基于所述发票信息触发的开票请求时,将所述发票信息发送至所述预设税务平台中的开票平台,以供所述开票平台根据所述发票信息开具纸质发票。
  9. 一种基于区块链的税务管理装置,其中,所述基于区块链的税务管理装置包括:存储器、处理器及存储在所述存储器上并可在所述处理器上运行的基于区块链的税务管理程序,所述基于区块链的税务管理程序被所述处理器执行时实现如权利要求1至8中任一项所述的基于区块链的税务管理方法的步骤。
  10. 一种计算机存储介质,其中,所述计算机存储介质上存储有基于区块链的税务管理程序,所述基于区块链的税务管理程序被处理器执行时实现如权利要求1至8中任一项所述的基于区块链的税务管理方法的步骤。
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