CN111738804B - Agricultural product supply chain financial service system based on block chain - Google Patents
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Abstract
The invention discloses an agricultural product supply chain financial service system based on a block chain, which comprises an account login module, an account information management module, an agricultural product quality authentication module, an online asset module, a transaction credit evaluation module, an analysis matching module, a transaction state tracking module, a man-machine interaction module, a transaction information storage module and a transaction authentication module, wherein the account login module is connected with the account information management module through a network; the agricultural product transport system can match farmers, buyers and dealers, provides a short transport path for agricultural product transport among the farmers, the buyers and the dealers, improves the transport efficiency of the agricultural products among three parties, reduces the transport cost, and can avoid the farmers, the buyers and the dealers with bad transaction records.
Description
Technical Field
The invention belongs to the technical field of block chain agriculture, and particularly relates to an agricultural product supply chain financial service system based on a block chain.
Background
At present, a block chain is widely applied in various fields, a supply chain refers to a supply chain from raw materials to intermediate products to a sales network and finally to a supply network of consumers, in a production, sales and supply chain of agricultural products, a farmer, a buyer and a distributor are mainly involved, the buyer is used as the intermediate, transportation cost needs to be considered, the farmer and the distributor are used as two end users, purchase time and purchase price need to be considered, and the purchase time and the purchase price can be influenced by transportation;
in the prior art, a great deal of time is consumed for the production, purchase and transportation of agricultural products and the sales of dealers, and often because suitable customers cannot be found among farmers, purchasers and dealers, on one hand, three parties cannot sell or purchase agricultural products in time, and the income of the three parties is affected, on the other hand, the logistics path is lengthened, and the logistics cost is increased.
Disclosure of Invention
The invention aims to provide a block chain-based agricultural product supply chain financial service system.
The technical problems to be solved by the invention are as follows:
in the prior art, a large amount of time is consumed for the production, purchase and transportation of agricultural products and the sales of dealers, and often, due to the fact that suitable clients cannot be found correspondingly among farmers, purchasers and dealers, on one hand, three parties cannot sell or purchase agricultural products timely, the income of the three parties is affected, on the other hand, the logistics path is lengthened, and the logistics cost is increased.
The purpose of the invention can be realized by the following technical scheme:
an agricultural product supply chain financial service system based on a block chain comprises an account login module, an account information management module, an agricultural product quality authentication module, an online asset module, a transaction credit evaluation module, an analysis matching module, a transaction state tracking module, a man-machine interaction module, a transaction information storage module and a transaction authentication module;
the account login module is used for logging in a user account number, so that each user can log in an agricultural product supply chain financial service system built based on a block chain;
the online asset module is used for respectively evaluating online assets of a farmer account number, a buyer account number and a distributor account number;
the agricultural product quality authentication module is used for monitoring the planting, production, processing and packaging processes of agricultural products, carrying out grade evaluation on the agricultural products, dividing the same agricultural product into a plurality of grades, and carrying out purchase pricing on the agricultural products of different grades;
the transaction credit evaluation module is used for recording bad transactions of farmers, buyers and distributors;
the analysis matching module is used for receiving the supply chain information of the farmer account number, the supply chain information of the buyer and the supply chain information of the dealer uploaded by the account information management module, and also receiving the asset evaluation information uploaded by the on-line asset module and the transaction credit information uploaded by the transaction credit evaluation module;
the analysis matching module is also used for analyzing the supply chain information uploaded by the account information management module and matching the peasant household-buyer and the buyer-distributor;
the analysis matching module analyzes the supply chain information input by the account information management module, the online asset information input by the online asset module and the transaction credit information input by the transaction credit evaluation module, and the method for matching the peasant household with the buyer and the buyer with the distributor comprises the following steps:
firstly, the dealer sends out supply chain information, wherein the supply chain information comprises a dealer warehouse address W1, a type K1 of an agricultural product purchased by the dealer, a grade L1 of the agricultural product purchased by the dealer, an agricultural product purchase amount H1 of the grade purchased by the dealer and a predicted purchase time section T1 of the dealer; the method comprises the steps that a buyer sends supply chain information, wherein the supply chain information comprises a type K2 of a purchased agricultural product, a level L2 of the purchased agricultural product, a purchase amount H2 of the agricultural product of the purchased level of the buyer, a warehouse address W2 of the buyer, a stock H of the agricultural product of a corresponding type and a corresponding level in a warehouse, a predicted receiving time section T2 of the agricultural product and a predicted delivery time section T3 of the agricultural product; the method comprises the steps that a farmer sends supply chain information, wherein the supply chain information comprises a type K3 of produced agricultural products, a grade L3 of the produced agricultural products, a yield H3 of each grade of agricultural products, a predicted delivery time section T4 of the agricultural products and position information W3 of the farmer;
secondly, screening the buyers according to information of K1, L1 and H1 sent by the distributors to obtain i buyers meeting the purchasing requirements, sequentially calculating distance information df between the distributors and i buyer warehouses according to information of W2 and W1 among the buyers meeting the requirements, wherein f =1, 2, i, and obtaining the transportation time tf between the buyer warehouses and the distributor warehouses according to df, wherein f =1, 2, i;
in the second step, when the purchasers meeting the purchasing requirement are screened, if the warehouse of the purchasers has corresponding stock or the purchasers have corresponding purchasing plans, the purchasers meeting the requirement are all calculated;
thirdly, comparing the tf + T3 with the T1 to obtain the contact ratio qf of the tf + T3 and the T1, wherein f =1, 2,. and i, and selecting a plurality of buyers with the maximum contact ratio qf as further screening objects;
fourthly, calculating the on-line assets required to be consumed by the dealers according to the K1, the L1 and the H1 values, calibrating the dealers with the assets on the bus which do not meet the purchase requirement, and calibrating the buyers and the dealers with bad transaction records;
fifthly, screening the peasant households according to information of K2, L2 and H2 sent by a buyer to obtain j peasant households meeting the requirements, sequentially calculating distance information dk between the warehouse of the buyer and the j peasant households according to the information of W2 and W3, wherein K =1, 2, K.
Sixthly, comparing tk + T4 with T2 to obtain the contact ratio qk of the tk + T4 and the T2, wherein k =1, 2,. and j, and selecting a plurality of farmers with the maximum contact ratio qk as further screening objects;
seventhly, calculating the on-line assets required to be consumed by the buyer according to the K2, L2 and H2 values, calibrating the buyer of which the assets on the bus do not meet the purchase requirement, and marking the buyer and the farmer with bad transaction records;
the transaction authentication module is used for establishing a payment platform and providing a transfer channel for transactions among the three parties of the farmer, the buyer and the distributor;
the transaction state tracking module is used for recording the logistics state of the agricultural products and transaction transfer information among three parties and transmitting the information to the transaction information storage module for storage;
the positioning and tracking module is used for positioning, tracking and recording the position information of the agricultural products in transportation and transmitting the position information to the transaction information storage module for storage;
the human-computer interaction module is used for establishing human-computer interaction so that a user can inquire matching information, transaction information and the like.
As a further scheme of the present invention, in the second step, if there is no screening result or the number of screening results does not reach a preset value, the buyer is screened according to K1 and L1 values, then the buyer of (H2+ H) ≧ α × H1 is screened, where α is a preset value, and finally, according to the information of W2 and W1, the distance information df, f =1, 2, etc. between the dealer and the warehouse of i buyers is sequentially calculated, and the transportation time tf, f =1, 2, etc. between the warehouse of the buyer and the warehouse of the dealer is obtained according to df; and (3) comparing the tf + T3 with the T1 to obtain the contact ratio qf of the two, wherein f =1, 2.
As a further scheme of the invention, in the fifth step, if there is no screening result or the number of screening results does not reach a preset value, screening farmers according to K2 and L2 values, then screening farmers with H3 being greater than or equal to α × H2, where α is a preset value, and finally calculating distance information dk between the buyer warehouse and j farmers according to information of W2 and W3, where K =1, 2,. And comparing the tk + T4 with the T2 to obtain the contact ratio qk of the tk + T4 and the T2, wherein k =1, 2, 3.
As a further scheme of the present invention, the account information management module is configured to perform classification management on user account numbers, specifically, divide the user account numbers into a farmer account number, a buyer account number, and a distributor account number, and input corresponding supply chain information into the account information management module respectively by the farmer account number, the buyer account number, and the distributor account number, where the supply chain information of the farmer account number includes a type of produced agricultural products, a quantity of produced agricultural products, etc., a quantity of agricultural products of each grade, a predicted delivery time section of the agricultural products, and location information of the farmer; the supply chain information of the account number of the buyer comprises the type of the purchased agricultural products, the grade of the purchased agricultural products, the purchase quantity of the agricultural products of the grade purchased by the buyer, the warehouse address of the buyer, the inventory quantity of the agricultural products of corresponding types and grades in the warehouse, the estimated receiving time section of the agricultural products and the estimated delivery time section of the agricultural products; the supply chain information of the dealer account includes a dealer warehouse address, a kind of agricultural product purchased by the dealer, a grade of the agricultural product purchased by the dealer, an agricultural product purchase amount of the grade purchased by the dealer, and a predicted purchase time section of the dealer.
As a further scheme of the invention, the grade division of the agricultural products is divided by the same or a plurality of organizations according to the same standard.
As a further scheme of the invention, the online assets of the account number of the farmer comprise the predicted yield of the agricultural product and the quality of the agricultural product; the online assets of the buyer account number include inventory amount, inventory time and mobile fund amount; the dealer's online assets include the amount of liquidity.
The invention has the beneficial effects that:
the scheme can match farmers, buyers and distributors, provides a shorter transportation path for agricultural product transportation among the farmers, the buyers and the distributors, improves the transportation efficiency of agricultural products among three parties, reduces the transportation cost, can avoid the farmers, the buyers and the distributors with bad transaction records, and can simultaneously meet the requirements of the three parties on the output, purchase and sale time of the agricultural products according to the difference of regions and varieties and the prediction of market requirements of the buyers and the distributors.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
Fig. 1 is a schematic system structure diagram of a block chain-based agricultural product supply chain financial service system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
An agricultural product supply chain financial service system based on a block chain comprises an account login module, an account information management module, an agricultural product quality authentication module, an online asset module, a transaction credit evaluation module, an analysis matching module, a transaction state tracking module, a man-machine interaction module, a transaction information storage module and a transaction authentication module;
the account login module is used for logging in a user account number, so that each user can log in an agricultural product supply chain financial service system built based on a block chain;
the account information management module is used for performing classified management on user accounts, specifically, the user accounts are divided into a farmer account, a buyer account and a distributor account, and the farmer account, the buyer account and the distributor account respectively input corresponding supply chain information into the account information management module, wherein the supply chain information of the farmer account comprises the types of produced agricultural products, the produced agricultural products and the like, the yield of agricultural products of all grades, a predicted delivery time section of the agricultural products and the position information of a farmer; the supply chain information of the account number of the buyer comprises the type of the purchased agricultural products, the grade of the purchased agricultural products, the purchase quantity of the agricultural products of the grade purchased by the buyer, the warehouse address of the buyer, the inventory quantity of the agricultural products of corresponding types and grades in the warehouse, the estimated receiving time section of the agricultural products and the estimated delivery time section of the agricultural products; the supply chain information of the dealer account number comprises a dealer warehouse address, the agricultural product type purchased by the dealer, the agricultural product grade purchased by the dealer, the agricultural product purchase quantity of the grade purchased by the dealer and the predicted purchase time section of the dealer;
the online asset module is used for respectively evaluating online assets of a farmer account, a buyer account and a distributor account, wherein the online assets of the farmer account comprise the predicted yield of agricultural products and the quality of the agricultural products; the online assets of the buyer account number include inventory amount, inventory time and mobile fund amount; the dealer's online assets include the amount of liquidity;
the agricultural product quality authentication module is used for monitoring the planting, production, processing and packaging processes of agricultural products, carrying out grade evaluation on the agricultural products, dividing the same agricultural product into a plurality of grades, and carrying out purchase pricing on the agricultural products of different grades;
the grade division of the agricultural products is carried out by the same or a plurality of mechanisms according to the same standard;
the transaction credit evaluation module is used for recording bad transactions of farmers, buyers and distributors;
the analysis matching module is used for receiving the supply chain information of the farmer account number, the supply chain information of the buyer and the supply chain information of the dealer uploaded by the account information management module, and also receiving the asset evaluation information uploaded by the on-line asset module and the transaction credit information uploaded by the transaction credit evaluation module;
the analysis matching module is also used for analyzing the supply chain information uploaded by the account information management module and matching farmers, buyers and buyers, distributors, so that the transportation cost of agricultural products is reduced
The analysis matching module analyzes the supply chain information input by the account information management module, the online asset information input by the online asset module and the transaction credit information input by the transaction credit evaluation module, and the method for matching the peasant household with the buyer and the buyer with the distributor comprises the following steps:
firstly, the dealer sends out supply chain information, wherein the supply chain information comprises a dealer warehouse address W1, a type K1 of an agricultural product purchased by the dealer, a grade L1 of the agricultural product purchased by the dealer, an agricultural product purchase amount H1 of the grade purchased by the dealer and a predicted purchase time section T1 of the dealer; the method comprises the steps that a buyer sends supply chain information, wherein the supply chain information comprises a type K2 of a purchased agricultural product, a level L2 of the purchased agricultural product, a purchase amount H2 of the agricultural product of the purchased level of the buyer, a warehouse address W2 of the buyer, a stock H of the agricultural product of a corresponding type and a corresponding level in a warehouse, a predicted receiving time section T2 of the agricultural product and a predicted delivery time section T3 of the agricultural product; the method comprises the steps that a farmer sends supply chain information, wherein the supply chain information comprises a type K3 of produced agricultural products, a grade L3 of the produced agricultural products, a yield H3 of each grade of agricultural products, a predicted delivery time section T4 of the agricultural products and position information W3 of the farmer;
secondly, screening the buyers according to information of K1, L1 and H1 sent by the distributors to obtain i buyers meeting the purchasing requirements, sequentially calculating distance information df between the distributors and i buyer warehouses according to information of W2 and W1 among the buyers meeting the requirements, wherein f =1, 2, i, and obtaining the transportation time tf between the buyer warehouses and the distributor warehouses according to df, wherein f =1, 2, i;
in the second step, when the purchasers meeting the purchasing requirement are screened, if the warehouse of the purchasers has corresponding stock or the purchasers have corresponding purchasing plans, the purchasers meeting the requirement are all calculated;
thirdly, comparing the tf + T3 with the T1 to obtain the contact ratio qf of the tf + T3 and the T1, wherein f =1, 2,. and i, and selecting a plurality of buyers with the maximum contact ratio qf as further screening objects;
fourthly, calculating the on-line assets required to be consumed by the dealers according to the K1, the L1 and the H1 values, calibrating the dealers with the assets on the bus which do not meet the purchase requirement, and calibrating the buyers and the dealers with bad transaction records;
fifthly, screening the peasant households according to information of K2, L2 and H2 sent by a buyer to obtain j peasant households meeting the requirements, sequentially calculating distance information dk between the warehouse of the buyer and the j peasant households according to the information of W2 and W3, wherein K =1, 2, K.
Sixthly, comparing tk + T4 with T2 to obtain the contact ratio qk of the tk + T4 and the T2, wherein k =1, 2,. and j, and selecting a plurality of farmers with the maximum contact ratio qk as further screening objects;
and seventhly, calculating the on-line assets required to be consumed by the buyer according to the K2, L2 and H2 values, calibrating the buyer of which the assets on the bus do not meet the purchase requirement, and marking the buyer and the farmer with bad transaction records.
In the second step, if no screening result exists or the quantity of the screening results does not reach a preset value, screening the buyers according to K1 and L1 values, then screening the buyers of (H2+ H) being not less than alpha H1, wherein alpha is a preset value, and finally calculating distance information df between the distributor and the warehouse of the i buyers according to the information of W2 and W1, wherein f =1, 2, 1. Comparing the tf + T3 with the T1 to obtain the contact ratio qf of the tf + T3 and the T1, wherein f =1, 2,.
In the fifth step, if no screening result exists or the quantity of the screening results does not reach a preset value, screening farmers according to K2 and L2 values, then screening farmers with H3 being more than or equal to alpha H2, wherein alpha is the preset value, and finally calculating distance information dk between a buyer warehouse and j farmers according to the information of W2 and W3, wherein K =1, 2,. Comparing tk + T4 with T2 to obtain the contact ratio qk, k =1, 2,. and j of the two, selecting a plurality of farmers with the maximum contact ratio qk value as further screening objects, and selecting at least one farmer for cooperation by a buyer at the moment;
according to the scheme, a shorter transportation path can be provided for farmers, purchasers and distributors, the transportation efficiency of agricultural products among three parties is improved, the transportation cost is reduced, the farmers, the purchasers and the distributors with bad transaction records can be avoided, and the three parties have requirements on the output, purchase and sale time of the agricultural products according to the difference of regions and varieties and the prediction of market requirements of the purchasers and the distributors;
the transaction authentication module is used for establishing a payment platform and providing a transfer channel for transactions among the three parties of the farmer, the buyer and the distributor;
the transaction state tracking module is used for recording the logistics state of the agricultural products and transaction transfer information among three parties and transmitting the information to the transaction information storage module for storage;
the positioning and tracking module is used for positioning, tracking and recording the position information of the agricultural products in transportation and transmitting the position information to the transaction information storage module for storage;
the human-computer interaction module is used for establishing human-computer interaction so that a user can inquire matching information, transaction information and the like.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (1)
1. An agricultural product supply chain financial service system based on a block chain is characterized by comprising an account login module, an account information management module, an agricultural product quality authentication module, an online asset module, a transaction credit evaluation module, an analysis matching module, a transaction state tracking module, a positioning tracking module, a man-machine interaction module, a transaction information storage module and a transaction authentication module;
the account login module is used for logging in a user account number, so that each user can log in an agricultural product supply chain financial service system built based on a block chain;
the online asset module is used for respectively evaluating online assets of a farmer account number, a buyer account number and a distributor account number;
the agricultural product quality authentication module is used for monitoring the planting, production, processing and packaging processes of agricultural products, carrying out grade evaluation on the agricultural products, dividing the same agricultural product into a plurality of grades, and carrying out purchase pricing on the agricultural products of different grades;
the transaction credit evaluation module is used for recording bad transactions of farmers, buyers and distributors;
the analysis matching module is used for receiving the supply chain information of the farmer account number, the supply chain information of the buyer and the supply chain information of the dealer uploaded by the account information management module, and also receiving the asset evaluation information uploaded by the on-line asset module and the transaction credit information uploaded by the transaction credit evaluation module;
the analysis matching module is also used for analyzing the supply chain information uploaded by the account information management module and matching the peasant household-buyer and the buyer-distributor;
the analysis matching module analyzes the supply chain information input by the account information management module, the online asset information input by the online asset module and the transaction credit information input by the transaction credit evaluation module, and the method for matching the peasant household with the buyer and the buyer with the distributor comprises the following steps:
firstly, the dealer sends out supply chain information, wherein the supply chain information comprises a dealer warehouse address W1, a type K1 of an agricultural product purchased by the dealer, a grade L1 of the agricultural product purchased by the dealer, an agricultural product purchase amount H1 of the grade purchased by the dealer and a predicted purchase time section T1 of the dealer; the method comprises the steps that a buyer sends supply chain information, wherein the supply chain information comprises a type K2 of a purchased agricultural product, a level L2 of the purchased agricultural product, a purchase amount H2 of the agricultural product of the purchased level of the buyer, a warehouse address W2 of the buyer, a stock H of the agricultural product of a corresponding type and a corresponding level in a warehouse, a predicted receiving time section T2 of the agricultural product and a predicted delivery time section T3 of the agricultural product; the method comprises the steps that a farmer sends supply chain information, wherein the supply chain information comprises a type K3 of produced agricultural products, a grade L3 of the produced agricultural products, a yield H3 of each grade of agricultural products, a predicted delivery time section T4 of the agricultural products and position information W3 of the farmer;
secondly, screening the buyers according to information of K1, L1 and H1 sent by the dealers to obtain i buyers meeting the purchasing requirements, sequentially calculating distance information df between the dealers and i buyer warehouses according to information of W2 and W1 among the buyers meeting the requirements, and obtaining transportation time tf between the buyer warehouses and the dealers warehouses according to df, wherein f is 1, 2, 1, i;
in the second step, when the purchasers meeting the purchasing requirement are screened, if the warehouse of the purchasers has corresponding stock or the purchasers have corresponding purchasing plans, the purchasers meeting the requirement are all calculated;
thirdly, comparing tf + T3 with T1 to obtain the coincidence ratio qf of the tf + T3 and the T1, wherein f is 1, 2, 1 and i, and selecting a plurality of buyers with the maximum coincidence ratio qf as further screening objects;
fourthly, calculating the on-line assets required to be consumed by the dealers according to the K1, the L1 and the H1 values, calibrating the dealers with the assets on the bus which do not meet the purchase requirement, and calibrating the buyers and the dealers with bad transaction records;
fifthly, screening the peasant households according to information K2, L2 and H2 sent by a buyer to obtain j peasant households meeting the requirements, sequentially calculating distance information dk between the warehouse of the buyer and the j peasant households according to the information W2 and W3 among the peasant households meeting the requirements, wherein K is 1, 2,.
Sixthly, comparing tk + T4 with T2 to obtain the coincidence ratio qk of the tk + T4 and the T2, wherein k is 1, 2,.
Seventhly, calculating the on-line assets required to be consumed by the buyer according to the K2, L2 and H2 values, calibrating the buyer of which the assets on the bus do not meet the purchase requirement, and marking the buyer and the farmer with bad transaction records;
the transaction authentication module is used for establishing a payment platform and providing a transfer channel for transactions among the three parties of the farmer, the buyer and the distributor;
the transaction state tracking module is used for recording the logistics state of the agricultural products and transaction transfer information among three parties and transmitting the information to the transaction information storage module for storage;
the positioning and tracking module is used for positioning, tracking and recording the position information of the agricultural products in transportation and transmitting the position information to the transaction information storage module for storage;
the human-computer interaction module is used for establishing human-computer interaction so that a user can inquire matching information, transaction information and the like;
in the second step, if no screening result exists or the quantity of the screening results does not reach a preset value, screening the buyers according to K1 and L1 values, then screening the buyers of (H2+ H) not less than alpha H1, wherein alpha is a preset value, and finally calculating distance information df between the dealer and the warehouse of the i buyers according to the information of W2 and W1, wherein f is 1, 2, 1. Comparing tf + T3 with T1 to obtain the contact ratio qf of the two, wherein f is 1, 2, and i, selecting a plurality of buyers with the maximum contact ratio qf as further screening objects, and selecting at least one buyer to cooperate by the distributor;
in the fifth step, if no screening result exists or the quantity of the screening results does not reach a preset value, screening farmers according to K2 and L2, then screening the farmers with H3 being more than or equal to alpha H2, wherein alpha is the preset value, and finally calculating distance information dk between the buyer warehouse and j farmers in sequence according to the information of W2 and W3, wherein K is 1, 2,. Comparing the tk + T4 with the T2 to obtain the contact ratio qk of the tk + T4 and the T2, wherein k is 1, 2, and j, selecting a plurality of farmers with the maximum contact ratio qk as further screening objects, and at the moment, the buyer can select at least one farmer to cooperate;
the account information management module is used for performing classified management on user accounts, specifically, the user accounts are divided into a farmer account, a buyer account and a distributor account, and the farmer account, the buyer account and the distributor account respectively input corresponding supply chain information into the account information management module, wherein the supply chain information of the farmer account comprises the types of produced agricultural products, the produced agricultural products and the like, the yield of agricultural products of all grades, a predicted delivery time section of the agricultural products and the position information of a farmer; the supply chain information of the account number of the buyer comprises the type of the purchased agricultural products, the grade of the purchased agricultural products, the purchase quantity of the agricultural products of the grade purchased by the buyer, the warehouse address of the buyer, the inventory quantity of the agricultural products of corresponding types and grades in the warehouse, the estimated receiving time section of the agricultural products and the estimated delivery time section of the agricultural products; the supply chain information of the dealer account number comprises a dealer warehouse address, the agricultural product type purchased by the dealer, the agricultural product grade purchased by the dealer, the agricultural product purchase quantity of the grade purchased by the dealer and the predicted purchase time section of the dealer;
the grade division of the agricultural products is carried out by the same or a plurality of mechanisms according to the same standard;
the online assets of the farmer account number comprise the predicted yield of the agricultural products and the quality of the agricultural products; the online assets of the buyer account number include inventory amount, inventory time and mobile fund amount; the dealer's online assets include the amount of liquidity.
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