CN111861741A - Supply chain creditor transfer and tracing method and system based on block chain - Google Patents
Supply chain creditor transfer and tracing method and system based on block chain Download PDFInfo
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Abstract
The embodiment of the invention discloses a supply chain creditor transfer and tracing method and a system based on a block chain, which comprises the following steps: obtaining delivery information of an nth-level supplier, creating a block and creating a key character string for unlocking the block; the key character string is disassembled into n-1 key character sets; correspondingly distributing the n-1 secret key character sets to accounts of n-1 suppliers; when the 1 to n-1 level suppliers confirm the delivery information of the nth level supplier, n-1 secret key character groups are combined to form a secret key character string, the quality problem of the goods is ensured because all suppliers on the n level suppliers need to confirm when the n level suppliers provide the goods, and meanwhile, the transaction process only adopts a manual confirmation process without manual intervention transaction, so that the suppliers can obtain funds according to appointed conditions after delivery, the hidden danger of difficult financing, expensive financing and account payment of the suppliers is solved, the transfer of the funds of all levels of suppliers is ensured to be unimpeded, and the safety is greatly improved because of the encryption process.
Description
Technical Field
The embodiment of the invention relates to the technical field of supply chain credit transfer, in particular to a supply chain credit transfer and tracing method and a supply chain credit transfer and tracing system based on a block chain.
Background
With the continuous deepening of the social production mode, the market competition has been changed from competition among single customers to competition among supply chains, and all the parties in the same supply chain are interdependent; meanwhile, as credit sale becomes a mainstream mode of transaction, suppliers at the upstream in the supply chain are difficult to obtain the fund support of banks through the traditional credit mode, and the fund shortage can directly cause the stagnation of the subsequent links and even cause 'chain breakage'. Maintaining the survival of the supply chain, improving the efficiency of the supply chain capital operation, and reducing the overall management cost of the supply chain have become an important issue actively explored by all parties, and therefore supply chain finance has come up.
However, because some suppliers cannot obtain funds in time after delivery to cause supply chain fracture, and banks or other financial institutions cannot observe the dynamics of the supply chain in time, the problems that the suppliers are difficult to finance, the financing is expensive, and the funds cannot be returned on time exist, so that how to realize safe and risk-reducing supply chain financial transactions is an urgent problem to be solved.
Disclosure of Invention
Therefore, the embodiment of the invention provides a supply chain creditor circulation and tracing method and system based on a block chain, which can solve the problems of difficult financing of a supplier, expensive financing and incapability of timely returning funds due to the fact that the delivery of commodities cannot be independently confirmed.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
according to a first aspect of the embodiments of the present invention, a supply chain creditor transfer and tracing method based on a block chain is characterized in that:
obtaining delivery information of an nth-level supplier, creating a block and creating a key character string for unlocking the block;
the key character string is disassembled into n-1 key character sets;
correspondingly distributing the n-1 secret key character sets to accounts of n-1 suppliers;
when the level 1 to n-1 suppliers confirm the delivery information of the nth supplier, n-1 key character sets are combined to form a key character string.
Further, the obtaining delivery information of the nth supplier and creating a key string for unlocking the block specifically includes:
the key string comprises at least n-1 characters.
Further, the disassembling the key string into n-1 key character sets specifically includes:
The disassembling mode is random disassembling, and each secret key character set comprises at least one character in a secret key character string.
Further, the correspondingly distributing the n-1 key character sets to the accounts of the n-1 suppliers specifically includes:
the distribution mode is random distribution, and each random distribution generates a random distribution arrangement rule.
Further, when the level 1 to level n-1 suppliers confirm the delivery information of the level n supplier, the combining the n-1 key character sets to form the key character string specifically includes:
and acquiring the distribution rule, and combining the key character set according to the distribution rule.
According to a second aspect of the embodiment of the present invention, a supply chain creditor circulation and tracing system based on a block chain is characterized in that: comprises that
A string creation module: obtaining delivery information of an nth-level supplier and creating a secret key character string for unlocking the block;
a character group generation module: the key character string is disassembled into n-1 key character sets;
a distribution module: correspondingly distributing the n-1 secret key character sets to accounts of n-1 suppliers;
a merging module: when the level 1 to n-1 suppliers confirm the delivery information of the nth supplier, n-1 key character sets are combined to form a key character string.
According to a third aspect of the embodiments of the present invention, a supply chain creditor circulation and tracing method and system electronic device based on a block chain are characterized by comprising:
the processor and the memory are communicated with each other through a bus; the memory stores program instructions executable by the processor, the processor invoking the program instructions to perform the method of any of claims 1 to 4.
According to a fourth aspect of the embodiments of the present invention, a method and a system for supply chain creditor circulation and tracing based on a block chain are disclosed, wherein a computer program is stored thereon, and when being executed by a processor, the computer program implements the steps of the method according to any one of claims 1 to 4.
The embodiment of the invention has the following advantages: the transaction mode ensures that all suppliers on the n-level suppliers confirm when providing goods, thereby ensuring the quality of the goods, ensuring that the transaction process only has a manual confirmation process without manual intervention transaction, ensuring that the suppliers can obtain accounts according to the appointed conditions after delivery, solving the hidden troubles of difficult financing, expensive financing and default of the accounts of the suppliers, ensuring that the fund flow of each level of suppliers is not obstructed, greatly improving the safety due to the encryption process, simultaneously, automatically learning the decomposition and recombination process, and realizing the rapid generation, decomposition and recombination of character strings along with the accumulation of data because most suppliers of enterprises are fixed, realizing artificial intelligence and greatly improving the transaction efficiency.
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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a schematic diagram of a supply chain creditor transfer and tracing method based on a block chain according to embodiment 1 of the present invention.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.
Example 1: a supply chain credit transfer and tracing method based on a block chain is characterized in that: comprises the following steps
First, delivery information of an nth level supplier is obtained, a block is created, and a key character string for unlocking the block is created. Specifically, the creditor transfer system often has multiple suppliers, each of which is composed of a supply chain core enterprise, a primary supplier, a secondary supplier … … n-1 grade supplier, a n-grade supplier, and a fund supplier, wherein the fund supplier is a bank or other financial institution that supplies funds to the supply chain core enterprise, and each grade supplier is an enterprise that supplies goods to the core enterprise. When the nth level supplier provides goods, the system automatically creates a block and automatically generates a key character string corresponding to the block.
Next, the key string is broken down into n-1 key character sets. Specifically, the key character string is divided into a plurality of parts, because the nth-level provider needs to obtain the confirmation information from the n-1 upper-level providers, the key character string needs to be divided into n-1 parts, and because the length of the key character string is limited, in this application, the characters in the key character string are not less than n-1 characters, and it is ensured that the key character string can be accurately decomposed into n-1 key character groups, where each key character group may include one character or a plurality of characters, and the number of characters in the key character group is determined according to the decomposition mode, and in this embodiment, the mode of decomposing the key character string is random decomposition, which ensures the uncertainty of the key character string decomposition, and further ensures the security of the key character string. And when random grouping is performed each time, a random distribution arrangement rule is generated, wherein the random distribution arrangement rule is a sequence rule when the key character set is decomposed.
Further, the n-1 key character sets are distributed to accounts of n-1 suppliers. Specifically, n-1 key character sets are issued to accounts of n-1 suppliers, the key character sets are encrypted for the second time when issued to the accounts of one supplier, and the key character sets are encrypted again, so that the safety and the non-tamper-ability of transactions are guaranteed.
Further, when the supplier of the level 1 to the level n-1 confirms the delivery information of the supplier of the level n, n-1 key character sets are combined to form a key character string. Specifically, when the n-level supplier provides goods, the confirmation information is automatically sent to the accounts of the n-1 suppliers on the upper level of the n-level supplier, when one supplier in the n-1 suppliers confirms that the confirmation information is correct, the system automatically unlocks the key character set according to the key corresponding to the key character set, and sends the unlocked key character set information of the supplier to the unlocking program, when the unlocking program receives the n-1 key character set information, the random distribution arrangement rule of the character string corresponding to the n-1 key character set information is obtained, the key character string is recombined according to the random distribution arrangement rule, the block is unlocked by using the key character string, the corresponding fund information in the block is unlocked, the block is automatically issued to the account of the n-level supplier, the transaction is completed, and meanwhile, the decomposition and recombination processes can be automatically learned, because the majority of suppliers of enterprises are fixed, along with the accumulation of data, the rapid generation, decomposition and recombination of character strings can be realized, and the transaction efficiency is greatly improved.
The transaction mode ensures the quality of goods because all suppliers on the n-level suppliers confirm when providing the goods, and the transaction process only has a manual confirmation process without manual intervention transaction, thereby ensuring that the suppliers can obtain funds according to the appointed conditions after delivery, solving the hidden troubles of difficult financing, expensive financing and arrearage of accounts of the suppliers, ensuring that the fund flow of each level of suppliers is not obstructed.
Example 2: a supply chain creditor right transfer and tracing system based on a block chain comprises
A string creation module: obtaining delivery information of an nth-level supplier and creating a secret key character string for unlocking the block;
a character group generation module: the key character string is disassembled into n-1 key character sets;
a distribution module: correspondingly distributing the n-1 secret key character sets to accounts of n-1 suppliers;
A merging module: when the level 1 to n-1 suppliers confirm the delivery information of the nth supplier, n-1 key character sets are combined to form a key character string.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. A supply chain creditor right transfer and tracing method based on a block chain is characterized by comprising the following steps: the method comprises the following steps:
obtaining delivery information of an nth-level supplier, creating a block and creating a key character string for unlocking the block;
the key character string is disassembled into n-1 key character sets;
correspondingly distributing the n-1 secret key character sets to accounts of n-1 suppliers;
when the level 1 to n-1 suppliers confirm the delivery information of the nth supplier, n-1 key character sets are combined to form a key character string.
2. The method as claimed in claim 1, wherein the supply chain creditor transfer and tracing method based on block chain comprises: the obtaining delivery information of the nth-level supplier and creating a key string for unlocking the block specifically includes:
The key string comprises at least n-1 characters.
3. The method as claimed in claim 1, wherein the supply chain creditor transfer and tracing method based on block chain comprises: the disassembling the key string into n-1 key character sets specifically comprises:
the disassembling mode is random disassembling, and each secret key character set comprises at least one character in a secret key character string.
4. The method as claimed in claim 1, wherein the supply chain creditor transfer and tracing method based on block chain comprises: the step of distributing the n-1 key character sets to accounts of n-1 suppliers correspondingly specifically comprises:
the distribution mode is random distribution, and each random distribution generates a random distribution arrangement rule.
5. The method as claimed in claim 4, wherein the supply chain creditor transfer and tracing method based on block chain comprises: when the level 1 to level n-1 suppliers confirm the delivery information of the level n supplier, the step of combining the n-1 key character sets to form the key character string specifically comprises the following steps:
and acquiring the distribution rule, and combining the key character set according to the distribution rule.
6. A supply chain creditor right transfer and tracing system based on a block chain is characterized in that: comprises that
A string creation module: obtaining delivery information of an nth-level supplier and creating a secret key character string for unlocking the block;
a character group generation module: the key character string is disassembled into n-1 key character sets;
a distribution module: correspondingly distributing the n-1 secret key character sets to accounts of n-1 suppliers;
a merging module: when the level 1 to n-1 suppliers confirm the delivery information of the nth supplier, n-1 key character sets are combined to form a key character string.
7. A supply chain creditor right transfer and tracing method and system electronic equipment based on a block chain are characterized by comprising the following steps:
the processor and the memory are communicated with each other through a bus; the memory stores program instructions executable by the processor, the processor invoking the program instructions to perform the method of any of claims 1 to 5.
8. A blockchain-based supply chain creditor transfer and traceability method and system computer-readable storage medium, having stored thereon a computer program which, when executed by a processor, performs the steps of the method according to any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010581360.0A CN111861741A (en) | 2020-06-23 | 2020-06-23 | Supply chain creditor transfer and tracing method and system based on block chain |
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| CN202010581360.0A CN111861741A (en) | 2020-06-23 | 2020-06-23 | Supply chain creditor transfer and tracing method and system based on block chain |
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