CN113674096A - Supply chain finance application system and method based on block chain technology - Google Patents
Supply chain finance application system and method based on block chain technology Download PDFInfo
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Abstract
The invention discloses a supply chain finance application system and method based on a block chain technology. The system comprises an industrial bank platform server, a core enterprise client, a primary supplier client to an N-level supplier client which are used as nodes on a blockchain network; an industrial banking platform can be provided through an industrial banking platform server, an intelligent contract is deployed, and the intelligent contract is issued to a block chain network; the method comprises the steps that a core enterprise client side registers and confirms the right of accounts payable of a core enterprise to a primary supplier on an industrial banking platform to form a first creditor certificate based on an intelligent contract and then sends the first creditor certificate to the primary supplier client side; by analogy, payment credit of a core enterprise is based on a plurality of creditor certificates, circulation is formed among multi-level suppliers on a service chain, small and medium-sized enterprises with financing requirements can conduct financing based on the credit of the core enterprise, and multi-level split of the credit is achieved by means of a consensus mechanism and privacy protection of a block chain intelligent contract to serve industry finance.
Description
Technical Field
The invention relates to the technical field of internet finance, in particular to a supply chain finance application system and method based on a block chain technology.
Background
The supply chain is purchased and formed by a network structure formed by members such as raw material suppliers, manufacturers, distributors, retailers, logistics companies and final consumers, wherein the front end of the supply chain is called as 'upstream', the rear end is called as 'downstream', for example, the upstream of the manufacturer is the raw material supplier, raw materials are purchased to the raw material supplier, and enterprise merging behaviors can occur even under strategic consideration; the same applies to downstream procurement. The traditional supply chain financial logic only solves the problem of financing of the first-level supplier, and the financing of the second-level, third-level and N-level suppliers is difficult to solve. In industrial finance, a core enterprise cannot provide substantial guarantee for an upstream multi-level provider far away from the core enterprise due to unknown, unfamiliar and indirect transaction, and a traditional payment tool, namely a commercial acceptance draft, cannot be split, so that the commercial credit of the core enterprise is difficult to transfer, and finally the upstream multi-level provider is difficult to obtain financing through a traditional channel. In order to better solve the above problems, the invention is proposed to provide a supply chain finance application system and method based on the block chain technology.
Disclosure of Invention
The invention provides a supply chain finance application system and method based on a block chain technology, which aim to solve the problems that in industrial finance, a core enterprise can not provide substantial guarantee for an upstream multi-level supplier far away from the core enterprise, and a traditional payment tool, namely a commercial acceptance bill, can not be split, so that the commercial credit of the core enterprise is difficult to transfer, and finally the upstream multi-level supplier is difficult to obtain financing through a traditional channel.
The invention provides a supply chain finance application system based on a block chain technology, which comprises the following components: an industrial bank platform server, a core enterprise client, a first-level supplier client to an N-level supplier client; the industrial bank platform server, the core enterprise client, the primary supplier client and the N-level supplier client are all nodes on a block chain network;
the industrial bank platform server is used for providing an industrial bank platform, deploying an intelligent contract and issuing the intelligent contract to a block chain network;
the core enterprise client is used for registering and confirming the accounts payable of the first-level supplier by the core enterprise on the industrial banking platform, so that the industrial banking platform server forms a first creditor certificate based on the intelligent contract according to the relevant data of registering and confirming the accounts payable of the first-level supplier by the core enterprise, and sends the first creditor certificate to the first-level supplier client;
the primary supplier client is used for registering and confirming accounts payable of the secondary supplier by the primary supplier on the industrial banking platform, so that the industrial banking platform server forms a second creditor certificate based on the intelligent contract according to relevant data of the registration and confirmation of the accounts payable of the secondary supplier by the primary supplier, and sends the second creditor certificate to the next-stage supplier client, and accordingly, the payment credit of the core enterprise forms circulation among the multiple stages of suppliers on the business chain based on the plurality of creditor certificates including the first creditor certificate and the second creditor certificate.
Further, the industrial bank platform server is also used for encrypting the interface parameters of the intelligent contract through a homomorphic encryption algorithm.
Further, the core enterprise client, the primary supplier client to the N-level supplier client can generate an execution request of the intelligent contract stored in the blockchain network, the execution request carries a blockchain account of a node requesting execution of the intelligent contract, and meta information of the blockchain account is encrypted through a homomorphic encryption algorithm.
Further, the execution method of the intelligent contract is as follows: calling the encrypted meta-information, and calculating the encrypted meta-information according to the intelligent contract to calculate an encryption calculation result; and when the query request is received, decrypting the encryption operation result through a decryption algorithm corresponding to the homomorphic encryption algorithm to obtain a plaintext operation result.
Further, the intelligent contracts are Ether house intelligent contracts.
In a second aspect, the present invention further provides a method for applying supply chain finance based on a block chain technology, including:
providing an industrial banking platform, deploying an intelligent contract, and issuing the intelligent contract to a block chain network; the industrial bank platform server is a node on a blockchain network, and the node on the blockchain network further comprises a core enterprise client, a primary supplier client and an N-level supplier client;
the registration and the right confirmation of the payable accounts of the primary supplier by the core enterprise are realized through the industrial banking platform;
forming a first creditor certificate based on the intelligent contract according to the registration of the core enterprise on accounts payable of the primary supplier and the relevant data of the right confirmation;
sending the first creditor certificate to a primary supplier client;
the registration and the right confirmation of accounts payable of a secondary supplier by a primary supplier are realized through the industrial bank platform;
forming a second-level creditor certificate based on the intelligent contract according to the related data of registration and right confirmation of accounts payable of a second-level supplier by the first-level supplier;
and sending the second-level creditor certificate to a next-level supplier client, so that the payment credit of the core enterprise forms circulation among the multiple levels of suppliers on the business chain based on the multiple levels of creditor certificates including the first-level creditor certificate and the second-level creditor certificate.
Further, an industrial banking platform is provided, an intelligent contract is deployed, and after the intelligent contract is issued on the blockchain network, the method further comprises the following steps: and encrypting the interface parameters of the intelligent contract through a homomorphic encryption algorithm.
Further, the core enterprise client, the primary supplier client to the N-level supplier client can generate an execution request of the intelligent contract stored in the blockchain network, the execution request carries a blockchain account of a node requesting execution of the intelligent contract, and meta information of the blockchain account is encrypted through a homomorphic encryption algorithm.
Further, the execution method of the intelligent contract is as follows: calling the encrypted meta-information, and calculating the encrypted meta-information according to the intelligent contract to calculate an encryption calculation result; and when the query request is received, decrypting the encryption operation result through a decryption algorithm corresponding to the homomorphic encryption algorithm to obtain a plaintext operation result.
Further, the intelligent contracts are Ether house intelligent contracts.
According to the technical scheme, the supply chain finance application system and method based on the block chain technology can provide an industrial bank platform through an industrial bank platform server, deploy an intelligent contract and issue the intelligent contract to a block chain network; the method comprises the steps that a core enterprise client side registers and confirms the right of accounts payable of a first-level provider by a core enterprise on an industrial banking platform, so that an industrial banking platform server forms a first creditor certificate based on an intelligent contract according to relevant data of the registration and the right confirmation of the accounts payable of the first-level provider by the core enterprise, and sends the first creditor certificate to the first-level provider client side; the primary supplier client performs registration and right confirmation of accounts payable of the primary supplier to the secondary supplier on the industrial bank platform, so that the industrial banking platform server forms a second creditor certificate based on the intelligent contract according to the related data of registration and right confirmation of accounts payable of the secondary supplier by the primary supplier, sends the second creditor certificate to the client of the next-level supplier, thereby enabling the payment credit of the core enterprise to be based on a plurality of creditor certificates including the first creditor certificate and the second creditor certificate, circulation is formed among the multi-stage suppliers on the business chain, so that medium and small enterprises with financing requirements, financing can be carried out based on the credit of the core enterprise, the high-quality credit of the core enterprise is converted into a 'similar receivable account certificate' which can be supplied to circulation, split and financing in multilevel, namely a creditor certificate, and the multi-level split of the credit is realized by utilizing a consensus mechanism and privacy protection of a block chain intelligent contract to serve industry finance.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any inventive exercise.
FIG. 1 is a schematic diagram of a supply chain finance application system based on a block chain technique according to the present invention;
FIG. 2 is a flow chart of a method for applying supply chain finance based on blockchain techniques in accordance with the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 1, the present invention provides a supply chain finance application system based on a block chain technology, including: an industrial bank platform server 1, a core enterprise client 2, a primary supplier client 3 to an N-level supplier client; the industrial bank platform server 1, the core enterprise client 2, the primary supplier client 3 to the N-level supplier client are all nodes on the block chain network. The core enterprise client 2, the primary supplier client 3 to the N-level supplier clients can be intelligent terminals such as computers and smart phones, and N is a positive integer.
The industrial bank platform server 1 can provide an industrial bank platform, deploy an intelligent contract and issue the intelligent contract to the block chain network. An intelligent contract is a computer protocol intended to propagate, validate or execute contracts in an informational manner. The intelligent contract technology of the block chain has the following characteristics: rules are transparent to disclosure, rules within contracts and data are visible to the outside. All transactions are publicly visible and there are no false or hidden transactions. And the industrial bank platform server can encrypt the interface parameters of the intelligent contract through a homomorphic encryption algorithm after the intelligent contract is issued to the block chain network.
The core enterprise client 2 and the primary supplier clients 3 to the N-level supplier clients can generate execution requests of the intelligent contracts stored in the blockchain network, the execution requests carry blockchain accounts of nodes requesting execution of the intelligent contracts, and meta information of the blockchain accounts is encrypted through a homomorphic encryption algorithm.
In this embodiment, the intelligent contract is an ethernet intelligent contract, the ethernet intelligent contract is a section of program code that runs in the virtual machine EVM of the ethernet and can be triggered to execute, the program code implements a certain predetermined rule, and the program code can automatically execute operations according to the rule agreed in advance to execute the terms of the contract. Meanwhile, the intelligent contract reacts to the received information, and can receive and store the value and send the information and the value outwards.
In this embodiment, the execution method of the intelligent contract is as follows: calling the encrypted meta-information, and calculating the encrypted meta-information according to the intelligent contract to calculate an encryption calculation result; and when the query request is received, decrypting the encryption operation result through a decryption algorithm corresponding to the homomorphic encryption algorithm to obtain a plaintext operation result.
The core enterprise client 2 is used for registering and authorizing the accounts payable of the first-level supplier by the core enterprise on the industrial banking platform, so that the industrial banking platform server forms a first creditor certificate based on the intelligent contract according to the relevant data of registering and authorizing the accounts payable of the first-level supplier by the core enterprise, and sends the first creditor certificate to the first-level supplier client.
The primary supplier client 3 is used for registering and confirming accounts payable of the secondary supplier by the primary supplier on the industrial banking platform, so that the industrial banking platform server forms a second creditor certificate based on the intelligent contract according to relevant data of registering and confirming accounts payable of the secondary supplier by the primary supplier, and sends the second creditor certificate to the next-stage supplier client.
Through the process, the payment credit of the core enterprise can be circulated among the multi-stage suppliers on the business chain based on the plurality of creditor certificates including the first creditor certificate and the second creditor certificate. The medium and small enterprises with financing requirements can carry out financing based on the credit of the core enterprise, the high-quality credit of the core enterprise is converted into a 'similar receivable account certificate' which can be supplied to circulation, separation and financing at multiple levels, namely a creditor certificate, and the multi-level separation of the credit is realized by utilizing a consensus mechanism and privacy protection of a block chain intelligent contract to serve industrial finance.
Referring to fig. 2, the present invention further provides a method for applying supply chain finance based on a block chain technology, where the method is applied to an industrial banking platform server, and the method includes:
step S101, providing an industrial bank platform, deploying an intelligent contract, and issuing the intelligent contract to a block chain network; the industrial bank platform server is a node on the blockchain network, and the node on the blockchain network further comprises a core enterprise client, a first-level supplier client and an N-level supplier client.
And step S102, the registration and the right confirmation of the accounts payable of the primary supplier by the core enterprise are realized through the industrial banking platform.
And step S103, forming a first creditor certificate based on the intelligent contract according to the registration of the core enterprise to the accounts payable of the primary supplier and the relevant data of the right confirmation.
And step S104, sending the first creditor certificate to the primary supplier client.
And step S105, the registration and the right confirmation of accounts payable of the secondary supplier by the primary supplier are realized through the industrial bank platform.
And step S106, forming a second-level creditor certificate based on the intelligent contract according to the related data of registration and right confirmation of accounts payable of the secondary supplier by the primary supplier.
Step S107, the second-level creditor certificate is sent to the next-level supplier client, so that the payment credit of the core enterprise forms circulation among the multiple-level suppliers in the business chain based on the multiple-level creditor certificate including the first-level creditor certificate and the second-level creditor certificate.
In this embodiment, after providing an industrial banking platform and deploying an intelligent contract and issuing the intelligent contract onto a blockchain network, the method further includes: and encrypting the interface parameters of the intelligent contract through a homomorphic encryption algorithm. Homomorphic encryption is a cryptographic technique based on the computational complexity theory of mathematical problems, processes homomorphic encrypted data to obtain an output, decrypts the output, and has the same result as the output obtained by processing unencrypted original data in the same method.
In this embodiment, the core enterprise client, the primary provider client to the N-level provider client can generate an execution request of the intelligent contract stored in the blockchain network, where the execution request carries a blockchain account of a node requesting execution of the intelligent contract, and the meta information of the blockchain account is encrypted by using a homomorphic encryption algorithm.
In this embodiment, the execution method of the intelligent contract is as follows: calling the encrypted meta-information, and calculating the encrypted meta-information according to the intelligent contract to calculate an encryption calculation result; and when the query request is received, decrypting the encryption operation result through a decryption algorithm corresponding to the homomorphic encryption algorithm to obtain a plaintext operation result.
In this embodiment, the intelligent contract is an ethernet intelligent contract.
An embodiment of the present invention further provides a storage medium, and a storage medium is provided in the embodiment of the present invention, where a computer program is stored in the storage medium, and when the computer program is executed by a processor, the computer program implements part or all of the steps in each embodiment of the supply chain finance application method based on the block chain technology provided in the present invention. The storage medium may be a magnetic disk, an optical disk, a Read-only memory (ROM) or a Random Access Memory (RAM).
Those skilled in the art will readily appreciate that the techniques of the embodiments of the present invention may be implemented as software plus a required general purpose hardware platform. Based on such understanding, the technical solutions in the embodiments of the present invention may be essentially or partially implemented in the form of a software product, which may be stored in a storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments.
The same and similar parts in the various embodiments in this specification may be referred to each other. The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention.
Claims (10)
1. A system for supply chain finance applications based on blockchain techniques, comprising: an industrial bank platform server, a core enterprise client, a first-level supplier client to an N-level supplier client; the industrial bank platform server, the core enterprise client, the primary supplier client and the N-level supplier client are all nodes on a block chain network;
the industrial bank platform server is used for providing an industrial bank platform, deploying an intelligent contract and issuing the intelligent contract to a block chain network;
the core enterprise client is used for registering and confirming the accounts payable of the first-level supplier by the core enterprise on the industrial banking platform, so that the industrial banking platform server forms a first creditor certificate based on the intelligent contract according to the relevant data of registering and confirming the accounts payable of the first-level supplier by the core enterprise, and sends the first creditor certificate to the first-level supplier client;
the primary supplier client is used for registering and confirming accounts payable of the secondary supplier by the primary supplier on the industrial banking platform, so that the industrial banking platform server forms a second creditor certificate based on the intelligent contract according to relevant data of the registration and confirmation of the accounts payable of the secondary supplier by the primary supplier, and sends the second creditor certificate to the next-stage supplier client, and accordingly, the payment credit of the core enterprise forms circulation among the multiple stages of suppliers on the business chain based on the plurality of creditor certificates including the first creditor certificate and the second creditor certificate.
2. The system for a supply chain finance-based on block chain technology as claimed in claim 1, wherein the industrial banking platform server is further configured to encrypt the interface parameters of the intelligent contract through a homomorphic encryption algorithm.
3. The system for a supply chain finance application based on blockchain technology according to claim 1, wherein the core enterprise client, the primary supplier client to the N-level supplier client are capable of generating an execution request of an intelligent contract stored in the blockchain network, the execution request carrying a blockchain account of a node requesting execution of the intelligent contract, and the meta-information of the blockchain account is encrypted by a homomorphic encryption algorithm.
4. The system for applying supply chain finance based on the block chain technology as claimed in claim 1, wherein the intelligent contracts are executed by: calling the encrypted meta-information, and calculating the encrypted meta-information according to the intelligent contract to calculate an encryption calculation result; and when the query request is received, decrypting the encryption operation result through a decryption algorithm corresponding to the homomorphic encryption algorithm to obtain a plaintext operation result.
5. The system for a supply chain finance-based on a blockchain technique application according to claim 1, wherein the intelligent contracts are ethernet intelligent contracts.
6. A supply chain finance application method based on a block chain technology is characterized by comprising the following steps:
providing an industrial banking platform, deploying an intelligent contract, and issuing the intelligent contract to a block chain network; the industrial bank platform server is a node on a blockchain network, and the node on the blockchain network further comprises a core enterprise client, a primary supplier client and an N-level supplier client;
the registration and the right confirmation of the payable accounts of the primary supplier by the core enterprise are realized through the industrial banking platform;
forming a first creditor certificate based on the intelligent contract according to the registration of the core enterprise on accounts payable of the primary supplier and the relevant data of the right confirmation;
sending the first creditor certificate to a primary supplier client;
the registration and the right confirmation of accounts payable of a secondary supplier by a primary supplier are realized through the industrial bank platform;
forming a second-level creditor certificate based on the intelligent contract according to the related data of registration and right confirmation of accounts payable of a second-level supplier by the first-level supplier;
and sending the second-level creditor certificate to a next-level supplier client, so that the payment credit of the core enterprise forms circulation among the multiple levels of suppliers on the business chain based on the multiple levels of creditor certificates including the first-level creditor certificate and the second-level creditor certificate.
7. The method for application of supply chain finance based on blockchain technology according to claim 6, wherein an industrial banking platform is provided and intelligent contracts are deployed, and after the intelligent contracts are issued onto a blockchain network, the method further comprises: and encrypting the interface parameters of the intelligent contract through a homomorphic encryption algorithm.
8. The method for applying supply chain finance based on blockchain technology as claimed in claim 6, wherein the core enterprise client, the primary supplier client to the N-level supplier client can generate an execution request of the intelligent contract stored in the blockchain network, the execution request carries a blockchain account of a node requesting to execute the intelligent contract, and the meta-information of the blockchain account is encrypted by a homomorphic encryption algorithm.
9. The method for applying supply chain finance based on the blockchain technology as claimed in claim 6, wherein the intelligent contract is executed by: calling the encrypted meta-information, and calculating the encrypted meta-information according to the intelligent contract to calculate an encryption calculation result; and when the query request is received, decrypting the encryption operation result through a decryption algorithm corresponding to the homomorphic encryption algorithm to obtain a plaintext operation result.
10. The method for applying supply chain finance based on blockchain technology as claimed in claim 6, wherein the intelligent contracts are ether house intelligent contracts.
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