CN109102285B - Supply chain finance realization method based on block chain double-chain structure and control system thereof - Google Patents
Supply chain finance realization method based on block chain double-chain structure and control system thereof Download PDFInfo
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Abstract
The application provides a supply chain finance realization method based on a block chain double-chain structure and a control system thereof, wherein the block chain double-chain structure is adopted, namely, the production process information of financing assets is recorded through an asset chain, and the production process information comprises key state information such as order generation, storage change, logistics transportation, order signing and the like; the whole financing process information of the financing assets is recorded through the fund chain, and the information comprises bills, asset ownership transfer, warranty service and the like, so that the participants can trace the original information generated by the assets, the investment and financing risks are reduced, and the labor and material cost is reduced. In addition, the cross verification of the asset generation information and the asset transfer information is combined with the identity information and the transaction content of the participants, and the cross verification and the identity information and the transaction content are jointly used as the basis for carrying out wind control and credit granting by the financial institution, so that the fast operation of funds and the operation development of enterprises are promoted. Meanwhile, the double-chain structure of the asset chain and the fund chain is adopted, so that the authority setting of a manager is facilitated, and the safety and the confidentiality of data are improved.
Description
Technical Field
The invention relates to the technical field of financial data processing, in particular to a supply chain financial implementation method based on a block chain double-chain structure and a control system thereof.
Background
With the increasingly fierce market competition, many enterprises face the pressure of capital turnover, and particularly, medium and small enterprises may not continue to operate normally due to the fact that the small and medium enterprises cannot pay immediately or receive payment for a long period. Often, businesses will resort to loans to banks to relieve funding pressure. Compared with the large-scale enterprises in the state of great strength, the small and medium-sized enterprises are unstable in development and have more broken-product closure. Under the conditions of lack of collateral articles, credit investigation records, transaction vouchers and the like, the loan risk of small and medium-sized enterprises is high, so banks rarely want to release loans to the small and medium-sized enterprises. Even if the loan of the medium and small enterprises is successful, the amount is low. Thus, many small and medium-sized enterprises borrow high interest from folk lending institutions or borrowers, but high interest usually brings heavy burden to the small and medium-sized enterprises. In addition, the relatively hot investment and financing mode in the market injects stronger vitality into the rise and development of medium and small enterprises. However, only by the description of the enterprises for collecting funds, the investors do not know the real operation condition of the enterprises enough, and after a large amount of funds are provided, a plurality of investors find out that the risk cannot be controlled.
Under the severe economic environment, supply chain finance can make up the defect that the risk is difficult to control, and great convenience is provided for the capital operation of medium and small enterprises. The supply chain refers to the process from raw material purchasing, manufacturing to product forming, and finally the product is sent to the consumer by the sales network, and a plurality of participants such as suppliers, manufacturers, distributors, retailers and end users are connected into a whole. In supply chain finance, small and medium-sized micro-enterprises in an industrial chain can enhance credit granting and financing investment financial activities according to own assets and by means of transaction supply relations and the like of the upstream and downstream of the supply chain industry, and a investor can know the business operation condition of the financing party and provide fund support for the latter. Through three major financing modes of receivable type, prepaid type and inventory type, the supply chain finance can better coordinate the relationship between upstream and downstream enterprises, maintain the stability of an upstream supply channel and a downstream distribution channel and reduce the asset liability rate of the enterprises. Meanwhile, supply chain finance solves the problem of difficult bank loan for supporting enterprises, simplifies loan flow, improves asset turnover rate of small enterprises and seizes development opportunities. Based on this, the most critical to supply chain finance is the credibility of asset data information, and the authenticity and the non-falsification of the data must be guaranteed.
Meanwhile, with wide application in the field of internet finance, the block chain technology is based on the characteristics of data sharing and multi-party participation support, and risks are reduced for the field of supply chain finance. The blockchain technology model can rapidly improve bank, supply chain and other transaction networks, and can create new innovation and growth opportunities while reducing the cost and risk related to business operation. Blockchains are a point-to-point (P2P) distributed ledger technique. Blockchains were first supported in the financial industry by being able to effectively and securely support the issuance, trading, management and services of assets. The block chain connects the data blocks according to the time sequence to form a chain data structure, and the data is ensured to be not falsified and forged in a cryptographic mode. Each block of the block chain records data of all activities occurring in a period of time from the last block generation to before the block generation. The blocks are connected into a chain according to the time sequence, and the head of each block records the compression value of the information stored in the previous block so as to ensure the complete content on the chain and be not falsifiable. The structure can be used as a basis for tracing the process in certain industries. In a blockchain network, all members store the same blockchain data respectively, the data are visible to all participants, each time a new blockchain is generated, all members update the blockchain stored by themselves, and if the data stored by a member is different from those of other members, the member is refused to accept the update. Because the network members share the same blockchain data together, the data is completely public and transparent, so that the blockchain is naturally suitable for an application scene of multi-party cooperation.
The existing block chain technical scheme applied to the supply chain financial industry is of a single chain structure, only financing information is stored, all asset financing information is stored in one block chain, the main application scene is the affirmation after the financing assets are digitized, and the main focus is on the process after the assets are digitized, but not on the process generated by the digitized assets. For example, in the receivable financing method, receivable is digitized and registered in a block chain to be a digital asset. After asset registration, the ownership flow of the digital asset is written into the blockchain. The block chain user can trace the source and the right of the whole circulation process of the digital assets on the chain.
Because the single chain structure only records the circulation of supply chain financing assets, the assets can be traced, the liquidity of the financing assets is enhanced, but the authenticity of the asset generation process is not guaranteed. In other words, it is impossible to trace back the original source of the financing asset registered on the chain, and it is impossible to confirm whether a financing asset is actually produced or fictional, and whether it has actual value. This is a significant risk to the investor of financing the asset. For the confirmation of the authenticity of supply chain financing assets, at present, the method mainly depends on investigation and visit under a large number of artificial lines, the efficiency is low, the effect cannot be ensured, and the risk of fraud is still existed. In summary, the single-chain structure has the problems of insufficient stored data, unclear data source and low reliability.
Therefore, a supply chain financial implementation method and a supply chain financial implementation system which can trace the asset generation process, facilitate the authority setting and reduce the investment and financing risk are needed, and are the technical problems to be solved at present.
Disclosure of Invention
In order to solve the problems, the invention provides a supply chain finance realization method based on a block chain double-chain structure and a supply chain finance control system based on the block chain double-chain structure, which can record the real production process and the circulation process of financing assets, so that participants can trace the original information generated by the assets, and the authority setting of a manager is facilitated, the participants are allowed to participate in only one block chain with authority, the data security and confidentiality are improved, the investment and financing risks are reduced, and the fast operation of funds and the operation development of enterprises are promoted.
In order to achieve the above object, the present invention provides a method for realizing supply chain finance based on a block chain dual-chain structure, comprising:
establishing nodes, establishing a block chain double-chain structure, and deploying an intelligent contract on the corresponding nodes, wherein the double-chain structure comprises an asset chain and a fund chain;
when a user creates an order, calling an intelligent contract on the asset chain, generating an order number, and recording state information on the asset chain, wherein the state information comprises state change information of a node corresponding to the order number on the asset chain;
calling an intelligent contract on the fund chain, and recording state information on the fund chain, wherein the state information comprises information of notes, asset ownership transfer and the like corresponding to the order number on the fund chain;
tracing the financing asset information, and performing cross matching on the asset chain and the information recorded on the asset chain to verify the authenticity of the financing asset.
Optionally, the intelligent contract on the asset chain comprises at least one of an order contract, an inventory contract, a logistics contract and/or a settlement contract, the intelligent contract on the asset chain comprises a financing contract, and the financing contract records order number, invoice and/or warranty service information.
Optionally, the asset chain records the information of the main key nodes from the beginning to the completion of the transaction and/or corresponding timestamps, including at least one of the orders, the delivery orders, the logistics transportation orders, the receipt orders, the invoices and the like generated by the asset generation process, and the information of each node on the asset chain is stored by the corresponding role grade.
Optionally, the fund chain records digital asset information such as order number, invoice number and/or payable period of the registration chain, and records the digital asset transfer process information.
Optionally, the verifying the authenticity of the financing asset includes tracing information recorded by each node on the block chain by using an order number, acquiring digital signatures of a plurality of participants and information on the asset chain and the fund chain corresponding to the order number, and verifying whether the true identity of the participants and the content of the financing asset are true by cross-matching the acquired information.
In addition, the invention also provides a supply chain financial control system based on the block chain double-chain structure, which comprises:
the system comprises a creating module, a sending module and a receiving module, wherein the creating module is used for creating a node and block chain double-chain structure and deploying an intelligent contract on a corresponding node, and the double-chain structure comprises an asset chain and an asset chain;
the calling module is used for calling the intelligent contract on the asset chain when a user creates an order, generating an order number, and recording the state information on the asset chain, including recording the state change information of the node corresponding to the order number on the asset chain; the system is used for calling an intelligent contract on the fund chain and recording state information on the fund chain, wherein the state information comprises bill information and asset ownership transfer information which are recorded on the fund chain and correspond to the order number;
and the verification module is used for tracing the source of the financing asset information, performing cross matching on the asset chain and the information recorded on the asset chain, and verifying the authenticity of the financing asset.
Optionally, the intelligent contract on the asset chain comprises at least one of an order contract, an inventory contract, a logistics contract, or a settlement contract, the intelligent contract on the asset chain comprises a financing contract, the financing contract recording order numbers, invoices, and/or warranty service information.
Optionally, the invoking module invokes an intelligent contract on the asset chain, records main key node information and/or corresponding timestamps from the beginning to the completion of a transaction, including at least one of an order, a delivery order, a logistics transportation order, a receipt, an invoice and the like generated in the asset generation process, and each node information on the asset chain is stored by a corresponding role grade.
Optionally, the calling module calls an intelligent contract on the fund chain, records digital asset information such as an order number, an invoice number and/or an accounts payable period of a registration chain, and records the digital asset transfer process information.
Optionally, the verification module traces the source of the information recorded by each node on the block chain by using the order number, acquires the digital signatures of a plurality of participants and the information on the asset chain and the fund chain corresponding to the order number, and verifies whether the true identity of the participants and the content of the financing asset are true by cross-matching the acquired information.
In addition, the present invention also provides an electronic device including:
a memory for storing a computer program;
and a processor for executing the computer program stored in the memory, wherein when the computer program is executed, the supply chain financial implementation method based on the block chain double-chain structure is realized.
In addition, the present invention also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor, implements the above supply chain financial implementation method based on the blockchain dual-chain structure.
The invention also provides a computer program, and when the computer program is executed by a processor, the supply chain finance implementation method based on the block chain double-chain structure is implemented.
The invention has the advantages and beneficial effects that: compared with the existing supply chain financial technology, the supply chain financial realization method based on the block chain double-chain structure and the control system thereof are provided by the invention, the asset chain is adopted to record the real generation process information of the financing assets on the asset chain, and the asset chain is adopted to record the transfer process information of the financing assets, so that the participants can trace the original information generated by the assets, the cross verification of the asset generation information and the asset transfer information is realized, the investment and financing risks are reduced, the labor and material cost are reduced, and the quick operation of the funds and the operation and development of enterprises are promoted. Meanwhile, the double-chain structure of the asset chain and the fund chain is adopted, so that the authority setting of a manager is facilitated, the participator is allowed to participate in only one block chain with the authority, the data can be conveniently split according to the function to be stored rapidly, and the safety and the confidentiality of the data are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only part of the descriptions of some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 schematically shows a flow chart of a supply chain financial implementation method based on a blockchain dual-chain structure according to an embodiment of the invention.
Fig. 2 is a schematic diagram illustrating asset chain information of a supply chain financial implementation method based on a blockchain double-chain structure and a control system thereof according to an embodiment of the invention.
Fig. 3 is a schematic flowchart illustrating asset generation of a supply chain financial implementation method based on a blockchain double-chain structure and a control system thereof according to an embodiment of the invention.
Fig. 4 is a schematic diagram schematically illustrating the fund chain information of the supply chain financial implementation method based on the blockchain dual-chain structure and the control system thereof according to an embodiment of the invention.
Fig. 5 schematically illustrates a cross-validation flow diagram of a supply chain financial implementation method based on a blockchain dual-chain structure and a control system thereof according to an embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The invention provides a supply chain finance realization method based on a block chain double-chain structure and a control system thereof. A block chain double-chain structure is adopted, namely two block chains, wherein one block chain records the information of the production process of financing assets through an intelligent contract, namely the real transaction process corresponding to the assets such as accounts receivable, bills and the like, comprises key state information such as order generation, storage change, logistics transportation, order signing and the like, is recorded by related parties and can be inquired at any time. And the other block chain records the whole financing process information of the financing assets through intelligent contracts, wherein the whole financing process information comprises corresponding process information such as bills, asset ownership transfer, warranty service and the like when the assets are generated. In addition, the process information generated by the whole financing asset is traced through the order number, the inquired information on the two chains is mutually used as a certificate, mutual credit increase is carried out, the information is jointly used as the basis for wind control and credit granting of the financial institution, inefficient manual investigation work is reduced, and the financing efficiency is improved.
In one embodiment, as shown in fig. 1, the present invention provides a supply chain financial implementation method based on a blockchain dual-chain structure, including the following steps:
establishing nodes, establishing a block chain double-chain structure, and deploying an intelligent contract on the corresponding nodes, wherein the double-chain structure comprises an asset chain and a fund chain;
when a user creates an order, calling an intelligent contract on the asset chain, generating an order number, and recording state information on the asset chain, wherein the state information comprises state change information of a node corresponding to the order number on the asset chain, namely the generation process information of financing assets on the asset chain;
calling an intelligent contract on the fund chain, and recording state information on the fund chain, wherein the state information comprises information of notes, asset ownership transfer and the like corresponding to the order number, namely transfer process information of financing assets on the fund chain;
tracing the financing asset information, and performing cross matching on the asset chain and the information recorded on the asset chain to verify the authenticity of the financing asset.
Further, the intelligent contracts on the asset chain include order contracts, inventory contracts, logistics contracts and settlement contracts, and the intelligent contracts on the asset chain include financing contracts which record order numbers, invoices and warranty service information. The information is input by operating the intelligent contract on the chain, and the information is respectively stored in the asset chain and the asset chain in the double-chain structure.
The intelligent contracts are deployed in nodes on the blockchain according to the agreement agreed by the participants, and rights and obligations are established. When the conditions agreed upon by the contract are met, the digital operations are automatically performed to meet the commitment. The node transfers the contract by transmitting the transaction information to the contract, and the execution result is stored in the contract and can be inquired at any time. Once the intelligent contracts are written into the blockchain, the execution process of the intelligent contracts is automatically controlled, the operations agreed in the contracts are irreversible, and non-modifiable, no supervision is needed, and the common processing and common verification of the benefit-related participants are allowed.
FIG. 2 is a diagram illustrating information on a chain of assets. Taking accounts receivable in the financial field of the supply chain as an example, financing assets include accounts receivable, notes, etc. that are formed by transactions between the supply chain upstream and downstream. The asset chain records the whole transaction process before the generation of receivable accounts, and comprises the processes of ordering by a client to generate order information, ordering goods by a seller to be delivered from a warehouse, finishing delivery by a third-party warehouse, carrying out transportation by third-party logistics, signing and settling by the client and the like, and the information generated in the process is recorded in a main key node from the beginning to the completion of the transaction and a timestamp of the key node. When each key state change is completed, the order state is recorded through the operation of intelligent contracts on the block chain link point 1 and the node 2 … node n. In the transaction process, the related main documents comprise information such as orders, delivery lists, logistics transportation lists, receipt lists, invoices and the like. The information of each node of the asset chain is stored by the corresponding role grade and cannot be changed or deleted, so that the authenticity of transaction is guaranteed.
In one embodiment, FIG. 3 illustrates a specific process for financing asset generation. When a user creates an order, the following steps are performed:
1) calling an order contract on the asset chain to generate an order number, and recording an order placing state;
2) calling an order contract to perform the operation of leaving the warehouse, recording the state of leaving the warehouse by the order contract, and triggering the inventory contract to enter data;
3) the inventory side writes the ex-warehouse state into the inventory contract after receiving the ex-warehouse list information;
4) triggering an order contract by the inventory contract, and recording the state;
5) after the inventory side finishes delivery, new logistics list information is written into the logistics contract;
6) writing a state into a logistics contract after a logistics party starts transportation, and calling an order contract to update the state of a contract record by the logistics contract;
7) after the buyer receives the goods, registering and signing in the system, wherein the logistics state is written into the signing state, and the logistics contract calls an order contract and records the state;
8) the buyer registers the settlement mode and writes into the settlement contract.
All contracts thus far complete the main state change process for the entire transaction.
In response, the specific process by which the transfer of financing assets occurs is recorded on the chain of assets. As shown in fig. 4, the fund chain records digital asset information such as order numbers, invoice numbers and the like of suppliers on the chain, and records the digital asset transfer process information.
The financing assets are generated after a transaction and before settlement is completed, and the transaction information and the transfer process information of the financing assets are recorded through the financing contract. First, transaction information corresponding to the asset, including an order number, an invoice number, and the like of the transaction, needs to be registered in the fund chain, and is recorded on the nodes 1 and 2, for example. Then, when the financial services institution provides warranty services to the asset, the start and end procedures of the warranty services are also recorded in the asset contract, such as on nodes 3, 4.
As shown in fig. 5, in order to verify the authenticity of the financing asset, in the process of the financing asset circulation, the financial management service organization or the investor acquires all the information of the asset after the asset is created from the beginning, and performs cross verification on the acquired information of the asset chain and the fund chain. Tracing the information recorded by each node of the blockchain such as each asset chain A, B, C and the like based on the order number or the timestamp information of the asset, acquiring the information on the asset chain and the fund chain corresponding to the order number, and simultaneously acquiring the digital signatures of a plurality of participants in the transaction process. And then, performing cross matching on the acquired information, and verifying whether the real identity of the participant and the content of the financing asset are real or not.
Furthermore, the warranty service organization can also combine information such as credit of each participant on the supply chain to decide whether to provide funds.
In one embodiment, the present invention further provides a supply chain financial control system based on a blockchain dual-chain structure, including:
the system comprises a creating module, a sending module and a receiving module, wherein the creating module is used for creating a node and block chain double-chain structure and deploying an intelligent contract on a corresponding node, and the double-chain structure comprises an asset chain and a fund chain;
the calling module is used for calling the intelligent contract on the asset chain when a user creates an order, generating an order number and recording state information on the asset chain, wherein the state information comprises state change information of a node corresponding to the order number on the asset chain, namely the generation process information of financing assets on the asset chain; the system is used for calling an intelligent contract on the fund chain and recording state information on the fund chain, and the system comprises a data processing module, a data processing module and a data processing module, wherein the information includes information of bills, asset ownership transfer and the like corresponding to the order number on the fund chain, namely transfer process information of financing assets on the fund chain;
and the verification module is used for tracing the source of the financing asset information, performing cross matching on the asset chain and the information recorded on the asset chain, and verifying the authenticity of the financing asset.
Optionally, the intelligent contracts on the asset chain include order contracts, inventory contracts, logistics contracts, and settlement contracts, and the intelligent contracts on the asset chain include financing contracts that record order numbers, invoices, and warranty service information.
Optionally, the calling module calls an intelligent contract on the asset chain, records information of main key nodes from the beginning to the completion of a transaction and/or corresponding timestamps, including information such as orders, delivery orders, logistics transportation orders, receipt orders and invoices generated in the asset generation process, and stores the information of each node of the asset chain by a corresponding role grade.
In one embodiment, the recording process of asset generation is initiated when a user creates an order. Through the calling module, the following operations are executed:
1) calling an order contract on the asset chain to generate an order number, and recording an order placing state;
2) calling an order contract to perform the operation of leaving the warehouse, recording the state of leaving the warehouse by the order contract, and triggering the inventory contract to enter data;
3) the inventory side writes the ex-warehouse state into the inventory contract after receiving the ex-warehouse list information;
4) triggering an order contract by the inventory contract, and recording the state;
5) after the inventory side finishes delivery, new logistics list information is written into the logistics contract;
6) writing a state into a logistics contract after a logistics party starts transportation, and calling an order contract to update the state of a contract record by the logistics contract;
7) after the buyer receives the goods, registering and signing in the system, wherein the logistics state is written into the signing state, and the logistics contract calls an order contract and records the state;
8) the buyer registers the settlement mode and writes into the settlement contract.
All contracts thus far complete the main state change process for the entire transaction.
Optionally, the calling module calls an intelligent contract on the fund chain, records digital asset information such as an order number, an invoice number, a payment period and the like of a registration chain, and records the digital asset transfer process information.
Optionally, the verification module traces the source of the information recorded by each node on the block chain by using the order number, acquires the digital signatures of a plurality of participants and the information on the asset chain and the fund chain corresponding to the order number, and verifies whether the true identity of the participants and the content of the financing asset are true by cross-matching the acquired information.
In addition, the present invention also provides an electronic device including:
a memory for storing a computer program;
and a processor for executing the computer program stored in the memory, wherein when the computer program is executed, the supply chain financial implementation method based on the block chain double-chain structure is realized.
Alternatively, the electronic device may be a server or a personal computer, or the like.
In addition, the present invention also provides a computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the above supply chain financial implementation method based on the blockchain dual-chain structure, and at least performs the following steps:
establishing nodes, establishing a block chain double-chain structure, and deploying an intelligent contract on the corresponding nodes, wherein the double-chain structure comprises an asset chain and a fund chain;
when a user creates an order, calling an intelligent contract on the asset chain, generating an order number, and recording state information on the asset chain, wherein the state information comprises state change information of a node corresponding to the user order number on the asset chain, namely the generation process information of financing assets on the asset chain;
calling an intelligent contract on the fund chain, and recording state information on the fund chain, wherein the state information comprises information of notes, asset ownership transfer and the like corresponding to the order number on the fund chain, namely transfer process information of the financing assets on the fund chain;
tracing the financing asset information, and performing cross matching on the asset chain and the information recorded on the asset chain to verify the authenticity of the financing asset.
Further, the computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
Furthermore, the present invention provides a computer program which, when executed by a processor, performs at least the following steps:
establishing nodes, establishing a block chain double-chain structure, and deploying an intelligent contract on the corresponding nodes, wherein the double-chain structure comprises an asset chain and a fund chain;
when a user creates an order, calling an intelligent contract on the asset chain, generating an order number, and recording state information on the asset chain, wherein the state information comprises state change information of a node corresponding to the order number on the asset chain, namely the generation process information of financing assets on the asset chain;
calling an intelligent contract on the fund chain, and recording state information on the fund chain, wherein the state information comprises information of notes, asset ownership transfer and the like corresponding to the order number on the fund chain, namely transfer process information of the financing assets on the fund chain;
tracing the financing asset information, performing cross matching on the asset chain and the information recorded on the asset chain, and verifying the authenticity of the financing asset.
Preferably, the method for invoking the intelligent contract on the asset chain comprises the following steps:
1) calling an order contract on the asset chain to generate an order number, and recording an order placing state;
2) calling an order contract to perform ex-warehouse operation, recording the ex-warehouse state of the order contract, and triggering inventory contract to enter data;
3) the inventory side writes the ex-warehouse state into the inventory contract after receiving the ex-warehouse list information;
4) triggering an order contract by the inventory contract, and recording the state;
5) after the inventory side finishes delivery, new logistics list information is written into the logistics contract;
6) writing a state into a logistics contract after a logistics party starts transportation, and calling an order contract to update the state of a contract record by the logistics contract;
7) after the buyer receives the goods, registering and signing in the system, wherein the logistics state is written into the signing state, and the logistics contract calls an order contract and records the state;
8) the buyer registers the settlement mode and writes into the settlement contract.
In summary, the invention provides a supply chain finance realization method based on a block chain double-chain structure and a control system thereof, which adopts an asset chain to record the real production process information of financing assets on an asset chain, and adopts the asset chain to record the transfer process information of the financing assets, so that the data chain is more complete, the data information loss of the existing scheme is compensated, the technical effect of tracing the assets by a financial service mechanism to generate original information is realized, manual checking is not needed, and the costs of manpower and material resources are reduced. Meanwhile, the real identity of the participant and the real content of the financing asset are obtained through cross validation of asset generation information and asset transfer information according to order number information, the trust of a financial service organization on the financing party is improved, the risk of investment and financing is reduced, and the fast operation of funds and the operation development of enterprises are promoted. On the other hand, the double-chain structure of the asset chain and the asset chain is adopted, so that the authority setting of a manager is facilitated, the participator is allowed to participate in only one block chain with the authority, the data can be conveniently split according to the function to be stored rapidly, the safety and the confidentiality of the data are improved, and the influence on the data on the rest chains after one chain is damaged is prevented.
Moreover, while the operations of the method of the invention are depicted in the drawings in a particular order, this does not require or imply that the operations must be performed in this particular order, or that all of the illustrated operations must be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions.
While the spirit and principles of the invention have been described with reference to the above specific embodiments, it is to be understood that the invention is not limited to the specific embodiments disclosed, nor is the division of the aspects, which is for convenience only as the features in these aspects cannot be combined to advantage. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A supply chain financial implementation method based on a block chain double-chain structure is characterized by comprising the following steps:
establishing nodes, establishing a block chain double-chain structure, and deploying an intelligent contract on the corresponding nodes, wherein the double-chain structure comprises an asset chain and a fund chain;
when a user creates an order, calling an intelligent contract on the asset chain, generating an order number, and recording state information on the asset chain, wherein the state information comprises state change information of a node corresponding to the order number on the asset chain;
calling an intelligent contract on the fund chain, and recording state information on the fund chain, wherein the state information comprises notes corresponding to the order number on the fund chain and asset ownership transfer information;
tracing financing asset information, performing cross matching on the asset chain and information recorded on the asset chain, and verifying the authenticity of the financing asset;
verifying the authenticity of the financing assets comprises tracing the information recorded by each node on the block chain by adopting an order number, acquiring the digital signatures of a plurality of participants and the information on the asset chain and the fund chain corresponding to the order number, and verifying the real identities of the participants and whether the content of the financing assets is real or not by cross-matching the acquired information.
2. The method of claim 1, wherein the intelligent contracts on the asset chain comprise at least one of order contracts, inventory contracts, logistics contracts, or settlement contracts, and the intelligent contracts on the asset chain comprise financing contracts that record order numbers, invoices, and/or warranty service information.
3. The method as claimed in claim 1, wherein the asset chain records key node information and/or corresponding time stamps from the start to the completion of a transaction, including at least one of order, delivery order, logistics transportation order, receipt order and invoice information generated by an asset generation process, and each node information on the asset chain is stored by a corresponding role grade.
4. The method according to claim 1, wherein the fund chain records an order number, an invoice number and/or an accounts payable period digital asset information of a registration chain and records the digital asset transfer process information.
5. A supply chain financial control system based on a blockchain dual-chain architecture, comprising:
the system comprises a creating module, a sending module and a receiving module, wherein the creating module is used for creating a node and block chain double-chain structure and deploying an intelligent contract on a corresponding node, and the double-chain structure comprises an asset chain and a fund chain;
the calling module is used for calling the intelligent contract on the asset chain when a user creates an order, generating an order number, and recording state information on the asset chain, wherein the state information comprises state change information of a node corresponding to the order number on the asset chain; the system is used for calling an intelligent contract on the fund chain and recording state information on the fund chain, and the intelligent contract comprises bills and asset ownership transfer information corresponding to the order number on the fund chain;
the verification module is used for tracing the source of the financing asset information, performing cross matching on the asset chain and the information recorded on the asset chain, and verifying the authenticity of the financing asset;
the verification module adopts the order number to trace the source of the information recorded by each node on the block chain, obtains the digital signatures of a plurality of participants and the information on the asset chain and the fund chain corresponding to the order number, and verifies whether the real identity of the participants and the content of the financing asset are real or not by cross matching the obtained information.
6. The system of claim 5, wherein the intelligent contracts on the asset chain include at least one of order contracts, inventory contracts, logistics contracts, or settlement contracts, and the intelligent contracts on the asset chain include financing contracts that record order numbers, invoices, and/or warranty service information.
7. The system of claim 5, wherein the calling module calls an intelligent contract on the asset chain, records main key node information from the beginning to the completion of a transaction and/or corresponding time stamps, and comprises at least one of order, delivery order, logistics transportation order, receipt order and invoice information generated by an asset generation process, and each node information on the asset chain is stored by a corresponding role grade.
8. The system of claim 5, wherein the invoking module invokes a smart contract on the asset chain, records order number, invoice number and/or payable period digital asset information for the registry chain, and records the digital asset transfer process information.
9. An electronic device, comprising:
a memory for storing a computer program;
a processor for executing the computer program stored in the memory, and when executed, implementing the method of any of claims 1-4.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method of any one of claims 1-4.
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