CN113610525A - Financial data processing method, device, equipment and medium based on block chain - Google Patents
Financial data processing method, device, equipment and medium based on block chain Download PDFInfo
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Abstract
The embodiment of the invention discloses a method, a device, equipment and a medium for processing financial data based on a block chain. The method is applied to block link points in the same service group in a supply chain financial platform, and comprises the following steps: dividing financial data into public data and private data based on a preset consensus mechanism; carrying out wind control calculation on the private data according to a wind control algorithm in the intelligent contract to obtain a wind control result; and uploading the public data and the wind control result to a public account book. According to the financial data processing method based on the block chain, which is provided by the embodiment of the invention, the wind control algorithm in the intelligent contract is adopted to carry out wind control calculation on the private data, a wind control result is obtained and uploaded to a public ledger, the safety of the private data can be ensured, and thus the wind control level of a supply chain financial platform is improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of data processing, in particular to a method, a device, equipment and a medium for processing financial data based on a block chain.
Background
Supply chain financial platforms play an increasingly important role in solving the problem of financing of small and medium-sized enterprises, meanwhile, more and more supply chain financial platforms begin to adopt a block chain technology to carry out uplink storage on data such as contracts, invoices and historical transaction records which need to be used in business wind control, and the level and quality of the wind control are improved by utilizing the characteristics that the block chain cannot be tampered and can be traced.
The existing architecture supply chain financial platform, although adopting block chain (alliance chain) technology, is essentially a centrally deployed platform controlled by the platform operator. All financial data involved in the wind control must be submitted to the platform operator by each participant for processing, so that the platform operator can access all data submitted by the core enterprise and the fund party. Core enterprises and capital parties may be reluctant to submit more private data to the platform, and therefore the level of wind control on the platform is affected.
Disclosure of Invention
The embodiment of the invention provides a financial data processing method, device, equipment and medium based on a block chain, so as to realize the processing of financial data and improve the wind control level of a supply chain financial platform.
In a first aspect, an embodiment of the present invention provides a method for processing financial data based on a block chain, which is applied to block chain link points in the same service group in a supply chain financial platform, and includes:
dividing financial data into public data and private data based on a preset consensus mechanism;
carrying out wind control calculation on the private data according to a wind control algorithm in the intelligent contract to obtain a wind control result;
and uploading the public data and the wind control result to a public account book.
In a second aspect, an embodiment of the present invention further provides a device for processing financial data based on a blockchain, which is applied to blockchain link points in the same service group in a supply chain financial platform, and includes:
the financial data dividing module is used for dividing financial data into public data and private data based on a preset consensus mechanism;
the wind control result acquisition module is used for carrying out wind control calculation on the private data according to a wind control algorithm in the intelligent contract to obtain a wind control result;
and the wind control result uploading module is used for uploading the public data and the wind control result to a public account book.
In a third aspect, an embodiment of the present invention further provides a computer device, where the computer device includes: the present invention relates to a method for processing block chain based financial data, and more particularly, to a method for processing block chain based financial data, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor.
In a fourth aspect, the embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processing device, implements the method for processing financial data based on a blockchain according to the embodiment of the present invention.
The embodiment of the invention discloses a method, a device, equipment and a medium for processing financial data based on a block chain. The method is applied to block link points in the same service group in a supply chain financial platform, and comprises the following steps: dividing financial data into public data and private data based on a preset consensus mechanism; carrying out wind control calculation on the private data according to a wind control algorithm in the intelligent contract to obtain a wind control result; and uploading the public data and the wind control result to a public account book. According to the financial data processing method based on the block chain, which is provided by the embodiment of the invention, the wind control algorithm in the intelligent contract is adopted to carry out wind control calculation on the private data, a wind control result is obtained and uploaded to a public ledger, the safety of the private data can be ensured, and thus the wind control level of a supply chain financial platform is improved.
Drawings
FIG. 1a is a block chain based architecture diagram of a supply chain financial platform in the prior art;
FIG. 1b is a flow diagram of a prior art receivables financing service;
FIG. 1c is a flow diagram of an order financing service in the prior art;
FIG. 2a is a flow chart of a method for processing block chain-based financial data according to an embodiment of the present invention;
FIG. 2b is an example diagram of a blockchain-based distributed supply chain financial platform system architecture;
FIG. 2c is an exemplary graph of block link points in relation to a common account;
fig. 3 is a schematic structural diagram of a processing apparatus for financial data based on a blockchain according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of a computer device according to a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Common financing supporting modes of a supply chain financial platform include an upstream supplier account receivable financing mode and a downstream distributor order financing mode, and the financing modes provide wind control basis for platform operators and fund parties by means of credit of core enterprises and real transaction data of the core enterprises and the upstream enterprises. As shown in fig. 1a, fig. 1a illustrates a framework of a block chain based supply chain financial platform, with participants of the platform mainly including a core enterprise, upstream supply chain and downstream distributors of the core enterprise, and platform operators. The platform supports multiple core enterprises and supplier, dealer, and funder enrollment around the core enterprises. The supply chain financial service platform provides a Web webpage console based on an HTTPS protocol for core enterprises, capital parties, suppliers and dealers, all parties can submit data, execute approval operation and sign electronic contracts on line on the webpage console, and the key data, operation records and electronic contracts are electronically signed by corresponding executing parties and then recorded and stored on a blockchain. The supply chain financial platform is a business layer platform, and the underlying block chain is managed by a BaaS (block chain as a service) platform. The BaaS platform can perform the work of establishing and deploying a bottom layer block chain, treating a coalition, managing an account book, setting access authority, monitoring the operation state of block chain link points, expanding a block chain network and the like.
In order to save the use cost of each participant, the blockchain network only consists of blockchain link points of a platform operator, a supervisor and a credit-increase party together, and other participants such as core enterprises, capital parties, suppliers and dealers do not deploy independent blockchain nodes.
FIG. 1b shows the flow of the receivables financing service, and FIG. 1c shows the flow of the order financing service. Every transaction on the platform will have core enterprises, platform operators and funders as the main participants.
Because the platform is provided with a plurality of core enterprises and fund parties providing financing services, the information of transaction prices, fund prices, suppliers and the like of the core enterprises and the fund parties is very sensitive, and the information of each core enterprise and each fund party can only be read by business participants needing to know but cannot be obtained by other unrelated core enterprises or fund parties and the like. Privacy security of data is very important.
Example one
Fig. 2a is a flowchart of a block chain-based financial data processing method according to an embodiment of the present invention, where the embodiment is applicable to a case of financial data processing, and the method may be performed by a block chain-based financial data processing apparatus, which may be composed of hardware and/or software and may be generally integrated in a device having a block chain-based financial data processing function, where the device may be an electronic device such as a server or a server cluster.
The method is applied to block chain nodes in the same service group in a supply chain financial platform, and specifically comprises the following steps as shown in fig. 2 a:
step 110, dividing the financial data into public data and private data based on a preset consensus mechanism.
The default consensus mechanism may be a mechanism for determining which fields of financial data are public data and which fields of financial data are private data, which are agreed by the segment nodes in the same service group. In the blockchain technique, common consensus mechanisms include a workload certification mechanism, a rights and interests certification mechanism, and a shares authorization certification mechanism, which can be employed in the present embodiment.
Wherein the block link points may include: a core enterprise node, a funder node, and a platform operator node. A supply chain financial business module is deployed at the block chain link point; the supply chain financial business module is used for providing supply chain business functions.
In this embodiment, the public data may be understood as data uploaded to a public ledger, that is, data directly accessible to other block link points of the same service group. Private data is specifically understood to mean that the data is stored on the local blockchain node and not uploaded to the public ledger, i.e. not accessed by other blockchain nodes. Illustratively, a plurality of core enterprises and a plurality of fund parties providing financing services are arranged on the platform, and information of transaction prices, fund prices, suppliers and the like is very sensitive, so the information of the transaction prices, the fund prices, the suppliers and the like can be used as private data of the core enterprises and the fund parties.
Specifically, the financial data are divided into public data and private data based on a preset consensus mechanism, the public data are shared data of each block link node, and the private data are private data of the local block link node and cannot be viewed by other block link nodes.
In this embodiment, after storing the private data in the local blockchain node, the access right of the private data may also be set, for example: the setting private data can be synchronized to which nodes.
And 120, carrying out wind control calculation on the private data according to a wind control algorithm in the intelligent contract to obtain a wind control result.
The wind control algorithm is realized in the form of an intelligent contract, and after the consensus is achieved by the block link points in the unified service group, the wind control algorithm is installed at the respective block link points and is associated with a public ledger (namely, the intelligent contract can be executed on the ledger). Specifically, the block link points in the same service group review the wind control algorithm, and if the block link points in the same service group achieve consensus, the wind control algorithm is installed in each block link node in the same service group in the form of an intelligent contract. Since the wind control algorithm achieves consensus signature verification from each block link point, any party cannot be tampered with.
Illustratively, a core enterprise a, a platform operator and a fund party B form a business group to develop supply chain financial business. The computational logic of the intelligent contract installed on the local block chain node of the core enterprise A is verified and signed by the platform operator and the fund party B, and the computational logic cannot be tampered by the core enterprise A at will.
Specifically, the block link point performs wind control calculation on the local private data by using a wind control algorithm in the intelligent contract to obtain a wind control result, where the wind control algorithm may adopt any existing wind control algorithm, such as a decision tree, a logistic regression, and the like, and details are not repeated here.
And step 130, uploading the public data and the wind control result to a public ledger.
If a core enterprise, a platform operator and a capital are defined as a business group, the same account book is added to the block chain nodes of the members of the same business group, the account book can be defined as a public account book, and all the members added to the account book share data on the public account book. The public account book is used for storing public data and wind control results of private data of all the participants, and the public account book can be accessed by all the block link points.
Specifically, the public data and the wind control result obtained by wind control calculation of the private data through a wind control algorithm are uploaded to a public ledger, wherein the public data can be accessed by each block link point.
Optionally, before dividing the financial data into public data and private data based on the preset consensus mechanism, the method further includes the following steps: when detecting that a core enterprise node initiates a new financial service request, creating a public ledger according to the new financial service request; and deploying the public ledger in a distributed mode in the blockchain nodes of the same service group.
Wherein, the new financial service request comprises the block chain nodes in the same service group; block link points of the same business group can access the public ledger.
For example, fig. 2B is an exemplary diagram of a block chain-based distributed supply chain financial platform system architecture, and as shown in fig. 2B, a core enterprise a, a core enterprise B, a platform operator and a funder C form a business group to develop supply chain financial business. The core enterprise and the fund party, which are main participants of the business, can independently deploy own supply chain financial business platform part and block chain link points in own private cloud or Internet Data Center (IDC) machine room to form a real distributed network business system.
Optionally, the block link point further includes: and (4) supervising the nodes.
After the financial data are divided into public data and private data based on a preset consensus mechanism, the method further comprises the following steps: the private data is synchronized to the supervisory node based on a synchronization mechanism.
Specifically, if the block chain nodes of the supervision (notarization) department need to synchronize the private data of all the service participants, the region chain nodes can also be set as required, and the private data on the node of the region chain nodes is allowed to be synchronized to the block chain nodes of the supervision (notarization) department based on the synchronization mechanism.
For example, the following describes the method for processing financial data based on a block chain according to this embodiment by way of an example, and fig. 2c is an exemplary diagram of a relationship between block chain nodes and a public ledger, as shown in fig. 2 c: the core enterprise A, the platform operator and the fund party B form a service group to develop supply chain financial services. The core enterprise A directly submits the non-sensitive wind control data to be provided to a sub-account book (namely a public account book) corresponding to the business group according to platform requirements, the data are public data on the sub-account book, and a platform operator and a fund party B in the sub-account book can check the public data. And meanwhile, the core enterprise A submits the private data to be provided in the private data set of the local block chain node according to the platform requirement. The intelligent contract installed on the local block chain node of the core enterprise A can read the private data on the node to perform wind control calculation to obtain a wind control result, and the part of the wind control result is written into the sub-ledger and is synchronized to the block chain nodes of the platform operator and the capital party B. The platform operator and the fund party B can synthesize the public data and the wind control result submitted by the core enterprise A to carry out wind control management.
Meanwhile, if the block chain link points of the supervision (notarization) department need to synchronize the private data of all the service participants, the core enterprise A can also set according to the requirement, and the private data on the node of the core enterprise A is allowed to be synchronized to the block chain nodes of the supervision (notarization) department.
According to the technical scheme of the embodiment, financial data are divided into public data and private data based on a preset consensus mechanism; carrying out wind control calculation on the private data according to a wind control algorithm in the intelligent contract to obtain a wind control result; and uploading the public data and the wind control result to a public account book. The financial data processing method based on the block chain, which is provided by the embodiment of the invention, adopts the wind control algorithm in the intelligent contract to carry out wind control calculation on the private data, obtains the wind control result, uploads the wind control result to the public ledger, and can ensure the safety of the private data, thereby improving the wind control level of a supply chain financial platform.
Example two
Fig. 3 is a schematic structural diagram of a processing apparatus for block chain-based financial data according to a second embodiment of the present invention, which is applied to block chain nodes in the same service group in a supply chain financial platform, and includes:
the financial data dividing module 210 is configured to divide financial data into public data and private data based on a preset consensus mechanism;
the wind control result obtaining module 220 is configured to perform wind control calculation on the private data according to a wind control algorithm in the intelligent contract to obtain a wind control result;
and the wind control result uploading module 230 is used for uploading the public data and the wind control result to a public ledger.
Optionally, the block link points include: a core enterprise node, a funder node, and a platform operator node.
Optionally, a supply chain financial service module is deployed at a block link point; the supply chain financial business module is used for providing supply chain business functions.
Optionally, the apparatus further comprises:
and the review module is used for reviewing the wind control algorithm by the block link points in the same service group, and if the block link points in the same service group are in consensus, the wind control algorithm is installed on each block link node in the same service group in an intelligent contract mode.
Optionally, the apparatus further comprises:
the public account book creating module is used for creating a public account book according to a new financial service request when detecting that a core enterprise node initiates the new financial service request; wherein, the new financial service request comprises the block chain nodes in the same service group;
the public account book deployment module is used for deploying the public account book in the block chain nodes of the same service group in a distributed mode; wherein, the block chain node points of the same service group can access the public ledger.
Optionally, the block link point further includes: and (4) supervising the nodes.
Optionally, the apparatus further comprises:
and the private data synchronization module is used for synchronizing the private data to the supervision node based on the synchronization mechanism.
The device can execute the methods provided by all the embodiments of the invention, and has corresponding functional modules and beneficial effects for executing the methods. For details not described in detail in this embodiment, reference may be made to the methods provided in all the foregoing embodiments of the present invention.
EXAMPLE III
Fig. 4 is a schematic structural diagram of a computer device according to a third embodiment of the present invention. FIG. 4 illustrates a block diagram of a computer device 312 suitable for use in implementing embodiments of the present invention. The computer device 312 shown in FIG. 4 is only an example and should not bring any limitations to the functionality or scope of use of embodiments of the present invention. Device 312 is a computing device that typically bases processing functions of blockchain-based financial data.
As shown in FIG. 4, computer device 312 is in the form of a general purpose computing device. The components of computer device 312 may include, but are not limited to: one or more processors 316, a storage device 328, and a bus 318 that couples the various system components including the storage device 328 and the processors 316.
The computer device 312 may also communicate with one or more external devices 314 (e.g., keyboard, pointing device, camera, display 324, etc.), with one or more devices that enable a user to interact with the computer device 312, and/or with any devices (e.g., network card, modem, etc.) that enable the computer device 312 to communicate with one or more other computing devices. Such communication may occur via input/output (I/O) interfaces 322. Moreover, computer device 312 may also communicate with one or more networks (e.g., a Local Area Network (LAN), Wide Area Network (WAN), and/or a public network, such as the internet) via network adapter 320. As shown, network adapter 320 communicates with the other modules of computer device 312 via bus 318. It should be appreciated that although not shown in the figures, other hardware and/or software modules may be used in conjunction with the computer device 312, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, Redundant Arrays of Independent Disks (RAID) systems, tape drives, and data backup storage systems, to name a few.
The processor 316 executes various functional applications and data processing by executing programs stored in the storage device 328, for example, implementing the processing method of the financial data based on the block chain provided by the above-described embodiment of the present invention.
Example four
An embodiment of the present invention provides a computer-readable storage medium having stored thereon a computer program that, when executed by a processing apparatus, implements a method for processing block chain-based financial data as in the embodiment of the present invention. The computer readable medium of the present invention described above may be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In contrast, in the present disclosure, a computer readable signal medium may comprise a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.
In some embodiments, the clients, servers may communicate using any currently known or future developed network Protocol, such as HTTP (HyperText Transfer Protocol), and may interconnect with any form or medium of digital data communication (e.g., a communications network). Examples of communication networks include a local area network ("LAN"), a wide area network ("WAN"), the Internet (e.g., the Internet), and peer-to-peer networks (e.g., ad hoc peer-to-peer networks), as well as any currently known or future developed network.
The computer readable medium may be embodied in the electronic device; or may exist separately without being assembled into the electronic device.
The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to: dividing financial data into public data and private data based on a preset consensus mechanism; carrying out wind control calculation on the private data according to a wind control algorithm in the intelligent contract to obtain a wind control result; and uploading the public data and the wind control result to a public account book.
Computer program code for carrying out operations for the present disclosure may be written in any combination of one or more programming languages, including but not limited to an object oriented programming language such as Java, Smalltalk, C + +, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present disclosure may be implemented by software or hardware. Where the name of an element does not in some cases constitute a limitation on the element itself.
The functions described herein above may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: field Programmable Gate Arrays (FPGAs), Application Specific Integrated Circuits (ASICs), Application Specific Standard Products (ASSPs), systems on a chip (SOCs), Complex Programmable Logic Devices (CPLDs), and the like.
In the context of this disclosure, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. A machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A processing method of financial data based on block chains is characterized in that the processing method is applied to block chain link points in the same service group in a supply chain financial platform, and comprises the following steps:
dividing financial data into public data and private data based on a preset consensus mechanism;
carrying out wind control calculation on the private data according to a wind control algorithm in the intelligent contract to obtain a wind control result;
and uploading the public data and the wind control result to a public account book.
2. The method of claim 1, wherein the blockchain node comprises: a core enterprise node, a funder node, and a platform operator node.
3. The method of claim 2, wherein the blockchain node is deployed with a supply chain financial services module;
the supply chain financial business module is used for providing supply chain business functions.
4. The method of claim 2, further comprising, before dividing the financial data into public data and private data based on the predetermined consensus mechanism:
and reviewing the wind control algorithm by the block chain link points in the same service group, and if the block chain link points in the same service group are in consensus, installing the wind control algorithm on each block chain node in the same service group in an intelligent contract mode.
5. The method of claim 2, further comprising, before dividing the financial data into public data and private data based on the predetermined consensus mechanism:
when detecting that the core enterprise node initiates a new financial service request, creating a public ledger according to the new financial service request; wherein the new financial service request comprises blockchain nodes in the same service group;
deploying the public ledger in a distributed manner in block chain nodes of the same service group; wherein the block link points of the same business group can access the public ledger.
6. The method of claim 2, wherein the blockchain node further comprises: and (4) supervising the nodes.
7. The method of claim 6, further comprising, after dividing the financial data into public data and private data based on a predetermined consensus mechanism:
synchronizing the private data to the supervising node based on a synchronization mechanism.
8. A block chain-based financial data processing device is applied to block chain link points in the same service group in a supply chain financial platform, and comprises:
the financial data dividing module is used for dividing financial data into public data and private data based on a preset consensus mechanism;
the wind control result acquisition module is used for carrying out wind control calculation on the private data according to a wind control algorithm in the intelligent contract to obtain a wind control result;
and the wind control result uploading module is used for uploading the public data and the wind control result to a public account book.
9. A computer device, the device comprising: memory, processor and computer program stored on the memory and executable on the processor, which when executed by the processor implements a method of processing blockchain based financial data according to any of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored, characterized in that the program, when executed by a processing device, implements the method of processing blockchain-based financial data according to any one of claims 1 to 7.
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