CN113888190A - Commodity traceability system, method, equipment and storage medium based on block chain - Google Patents
Commodity traceability system, method, equipment and storage medium based on block chain Download PDFInfo
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- CN113888190A CN113888190A CN202111167253.4A CN202111167253A CN113888190A CN 113888190 A CN113888190 A CN 113888190A CN 202111167253 A CN202111167253 A CN 202111167253A CN 113888190 A CN113888190 A CN 113888190A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/018—Certifying business or products
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3825—Use of electronic signatures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
Abstract
The invention belongs to the technical field of computers, and particularly relates to a commodity traceability system, a commodity traceability method, commodity traceability equipment and a storage medium based on a block chain. The method provided by the invention has the advantages that each certificate is associated with the prior certificate, and the commodity information flow can generate a credible evidence chain based on the block chain; the commodity certificate is issued in a block chain general certificate mode, when the commodity certificate circulates on a chain, the commodity certificate needs to be confirmed in multiple ways through block chain nodes, the effect of transferring accounts and settling accounts can be achieved, and all circulation process chains are transparent and searchable; all participants share a unified block chain account book which comprises information flow data storage certificate and records of commodity certificates on the chain, and can quickly verify the writers of chain data and the issuers of the commodity certificates and quickly trace the source of the whole information flow.
Description
Technical Field
The invention belongs to the technical field of computers, and particularly relates to a commodity traceability system, a commodity traceability method, commodity traceability equipment and a storage medium based on a block chain.
Background
The existing commodity tracing method mainly comprises two solutions: 1. based on a traditional database, the commodity evidence storing and tracing system is recorded by a plurality of parties in different links; 2. based on the unified block chain account book, the evidence of the information flow is stored on the chain by multiple parties in different links. In actual operation, a manufacturing enterprise generally considers that the same batch of commodities has the same traceability attributes (such as raw materials, production time, process flow, etc.). Therefore, when the actual information flow is imported, the traceability information of the commodity is associated with the commodity batch. The traceability identification is associated with the commodity batch, the end user realizes verification by reading the traceability identification attached to the commodity, and the verification information actually points to the traceability information of the commodity batch, namely although the traceability identification of each article is different, the traceability information of each article is the same (because the articles are in the same batch).
The above solution has two drawbacks:
1. the existing tracing scheme is based on information flow tracing, the tampering of stored certificate data can be guaranteed through a block chain technical means, but the problem that goods flee and goods are not on a board cannot be solved, namely, the tracing information is true, but a commodity body is a counterfeit commodity. 10000 commodities are produced according to the preset batch, but 12000 commodities are sold actually, but the existing scheme is difficult to check the situation quickly.
2. The information flow tracing is suitable for tracing the production links, information of each link can be recorded by a dealer, or chain storage is carried out by link participants, and the tracing information is associated with the commodity batch.
However, the current traceability system is difficult to complete the traceability of the retail → consumer stage, and causes the loss of key circulation link information. Because retail links of retailers and consumers are numerous, circulation paths of commodities in the same batch are numerous, and the conventional traceability system cannot meet the retail scene of multilink and multi-party unordered participation.
Disclosure of Invention
In order to solve the technical problems, the invention provides a commodity tracing system, a commodity tracing method, commodity tracing equipment and a storage medium based on a block chain, which can realize the commodity tracing of a multi-link and multi-party unordered retail scene.
In order to achieve the purpose, the invention adopts the following technical scheme.
In a first aspect, a commodity traceability system based on a blockchain is provided, including:
the information flow platform is used for recording information flow data of commodity production and sale to form a corresponding deposit certificate;
the commodity certificate platform is applied to the commodity sales stage and used for issuing the commodity certificates and providing a platform for the circulation of the commodity certificates;
the user nodes comprise raw material suppliers, production parties, quality inspection parties, distributors and retail parties, are used as different types of user nodes, are registered in one or two of the information flow platform and the commodity certificate platform, and are used for acquiring and storing self-related information flow data or commodity certificate data and carrying out related business operations;
the supervision agency records the issued commodity certificates;
the information flow platform and the commodity certificate platform are constructed on the basis of the same blockchain network, user nodes including a raw material supplier, a production party, a quality inspection party, a distributor and a retail party are registered on the information flow platform, the commodity certificate platform is registered with the user nodes including the distributor and the retail party and is communicated with the monitoring mechanism, the user nodes on the information flow platform deposit relevant information flow data of the user nodes through transactions, the deposit certificate on the information flow platform can be automatically associated with the previous deposit certificate, the commodity certificate issued by the commodity certificate platform is associated with the corresponding deposit certificate, and the commodity certificate is issued on the basis of a blockchain communication form.
In a second aspect, a commodity traceability method based on a block chain is provided, which is applicable to the commodity traceability system in the above technical solution, and the method includes:
various raw material suppliers, production parties, quality inspection parties, distributors at all levels and retail parties are used as different types of user nodes to be registered on the information flow platform;
all levels of dealers and retailers serve as different types of user nodes and are registered on the commodity voucher platform;
each user node of different types sends self related information to an information flow platform in a transaction form and stores the self related information in a block chain network, corresponding certificate storage and certificate storage ID are generated according to the self related information, each private key is adopted for signature of the certificate storage, and the certificate storage is automatically associated with related preorders based on the certificate storage ID;
a dealer or a retail party user node generates a commodity certificate according to the certificate-storing ID, and records the commodity certificate through a supervision mechanism, wherein the commodity certificate is issued based on a block link certification form;
configuring a traceability identifier for each piece of commodity, wherein the traceability identifier is bound with the commodity certificate, and the user, the retailer or the distributor extracts the commodity certificate to the account of the user, the retailer or the distributor through identifying the traceability identifier.
Preferably, the method for generating the corresponding certificate and certificate ID and signing the certificate by using the respective private key comprises the following steps of: various raw material suppliers send raw material supply information to an information flow platform in a transaction form so as to generate raw material storage certificates and sign by using private keys of the raw material storage certificates, wherein the raw material supply information comprises raw material names, raw material supplier information and raw material stocking information;
the method comprises the following steps that a producer sends commodity production information to an information flow platform in a trading mode to generate a commodity production deposit certificate and signs by using a private key of the commodity production deposit certificate, the commodity production deposit certificate is related to a related raw material deposit certificate, and the commodity production information comprises a producer, production time and production batch;
the quality inspection party sends the commodity quality inspection information to the information flow platform in a transaction mode, a commodity quality inspection storage certificate is generated according to the commodity quality inspection information, a private key of the commodity quality inspection storage certificate is used for signing, the quality inspection storage certificate is related to a relevant commodity production storage certificate, and the quality inspection information comprises a quality inspection report and a quality inspection mechanism;
each level of distributor sends commodity distribution information to an information flow platform in a transaction form so as to generate a commodity distribution deposit certificate and adopts a private key to sign, the commodity distribution deposit certificate is associated with a related quality inspection deposit certificate, and the commodity distribution information comprises a purchase record and distributor information;
the retail party sends the distribution information of the commodities to the information flow platform in a transaction mode, and then generates a commodity distribution certificate and signs by using a private key of the commodity distribution certificate, the retail certificate is associated with the relevant distributor certificate, and the retail party information comprises a stock record and retail party information.
Preferably, the method for generating the commodity certificate based on the certificate storage ID by each stage of distributor or retailer user node comprises the following steps: and each level of distributor or retailer user node generates a commodity certificate based on block chain certification based on commodity certification storage, the commodity certificate is issued on the block chain in a certification form, and the certification storage ID of the certificate related to the commodity certificate is written into the commodity certificate.
Preferably, the commodity certificate is generated based on block chain non-homogenization certification.
In a third aspect, a computer device is provided that includes one or more processors;
a memory for storing one or more programs,
the one or more programs, when executed by the one or more processors, cause the one or more processors to perform the method as described in the first aspect above.
In a fourth aspect, there is provided a storage medium storing a computer program which, when executed by a processor, performs the method of the first aspect as described above.
The invention has the advantages that each certificate is associated with the preorder certificate, and the commodity information flow can generate a credible evidence chain based on the block chain; the commodity certificate is issued in a block chain general certificate mode, when the commodity certificate circulates on a chain, the commodity certificate needs to be confirmed in multiple ways through block chain nodes, the effect of transferring accounts and settling accounts can be achieved, and all circulation process chains are transparent and searchable; all participants share a unified block chain account book which comprises information flow data storage certificate and records of commodity certificates on the chain, and can quickly verify the writers of chain data and the issuers of the commodity certificates and quickly trace the source of the whole information flow.
Drawings
FIG. 1 is a schematic diagram of the system operation flow of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a computer device according to embodiment 2 of the present invention.
Detailed Description
The invention is described in further detail below with reference to specific embodiments and the attached drawing figures. Those skilled in the art will be able to implement the invention based on these teachings. Moreover, the embodiments of the present invention described in the following description are generally only some embodiments of the present invention, and not all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention. Unless otherwise specified, the methods described in the examples of the present invention are all those known to those skilled in the art.
Example 1
The embodiment provides a commodity traceability system based on a block chain, as shown in fig. 1, the process work includes:
the information flow platform is used for recording information flow data of commodity production and sale to form a corresponding deposit certificate;
the commodity certificate platform is applied to the commodity sales stage and used for issuing the commodity certificates and providing a platform for the circulation of the commodity certificates;
the user nodes comprise raw material suppliers, production parties, quality inspection parties, distributors and retail parties, are used as different types of user nodes, are registered in one or two of the information flow platform and the commodity certificate platform, and are used for acquiring and storing self-related information flow data or commodity certificate data and carrying out related business operations;
the supervision agency records the issued commodity certificates;
the information flow platform and the commodity certificate platform are constructed on the basis of the same blockchain network, user nodes including a raw material supplier, a production party, a quality inspection party, a distributor and a retail party are registered on the information flow platform, the commodity certificate platform is registered with the user nodes including the distributor and the retail party and is communicated with the monitoring mechanism, the user nodes on the information flow platform deposit relevant information flow data of the user nodes through transactions, the deposit certificate on the information flow platform can be automatically associated with the previous deposit certificate, the commodity certificate issued by the commodity certificate platform is associated with the corresponding deposit certificate, and the commodity certificate is issued on the basis of a blockchain communication form.
In a second aspect, a commodity traceability method based on a block chain is provided, which is applicable to the commodity traceability system in the above technical solution, and the method includes:
various raw material suppliers, production parties, quality inspection parties, distributors at all levels and retail parties are used as different types of user nodes to be registered on the information flow platform;
all levels of dealers and retailers serve as different types of user nodes and are registered on the commodity voucher platform;
each user node of different types sends self related information to an information flow platform in a transaction form and stores the self related information in a block chain network, corresponding certificate storage and certificate storage ID are generated according to the self related information, each private key is adopted for signature of the certificate storage, and the certificate storage is automatically associated with related preorders based on the certificate storage ID;
a dealer or a retail party user node generates a commodity certificate according to the certificate-storing ID, and records the commodity certificate through a supervision mechanism, wherein the commodity certificate is issued based on a block link certification form;
configuring a traceability identifier for each piece of commodity, wherein the traceability identifier is bound with the commodity certificate, and the user, the retailer or the distributor extracts the commodity certificate to the account of the user, the retailer or the distributor through identifying the traceability identifier.
Further, each user node of different types sends the relevant information to the information flow platform in a transaction form and stores the information in the block chain network, so as to generate corresponding certificate and certificate ID and sign the certificate by using respective private key, wherein the method comprises the following steps: various raw material suppliers send raw material supply information to an information flow platform in a transaction form so as to generate raw material storage certificates and sign by using private keys of the raw material storage certificates, wherein the raw material supply information comprises raw material names, raw material supplier information and raw material stocking information;
the method comprises the following steps that a producer sends commodity production information to an information flow platform in a trading mode to generate a commodity production deposit certificate and signs by using a private key of the commodity production deposit certificate, the commodity production deposit certificate is related to a related raw material deposit certificate, and the commodity production information comprises a producer, production time and production batch;
the quality inspection party sends the commodity quality inspection information to the information flow platform in a transaction mode, a commodity quality inspection storage certificate is generated according to the commodity quality inspection information, a private key of the commodity quality inspection storage certificate is used for signing, the quality inspection storage certificate is related to a relevant commodity production storage certificate, and the quality inspection information comprises a quality inspection report and a quality inspection mechanism;
each level of distributor sends commodity distribution information to an information flow platform in a transaction form so as to generate a commodity distribution deposit certificate and adopts a private key to sign, the commodity distribution deposit certificate is associated with a related quality inspection deposit certificate, and the commodity distribution information comprises a purchase record and distributor information;
the retail party sends the distribution information of the commodities to the information flow platform in a transaction mode, and then generates a commodity distribution certificate and signs by using a private key of the commodity distribution certificate, the retail certificate is associated with the relevant distributor certificate, and the retail party information comprises a stock record and retail party information.
Further, the method for generating the commodity certificate based on the certificate storage ID by each stage of distributor or retailer user node comprises the following steps: and each level of distributor or retailer user node generates a commodity certificate based on block chain certification based on commodity certification storage, the commodity certificate is issued on the block chain in a certification form, and the certification storage ID of the certificate related to the commodity certificate is written into the commodity certificate.
Further, the commodity certificate is generated based on block chain non-homogenization certification.
The principle of the scheme of the embodiment lies in that a commodity information stream and a commodity certificate stream are arranged in a related double-layer traceability system, the information stream of the commodity can record node information of a production link and a sales link on a block chain and is stored in a certificate storage mode, the commodity certificate is reliably prevented from being tampered, the commodity certificate is integrated with the information stream certificate storage mode, and the commodity certificate is issued in an NFT mode, so that the condition that one commodity only has one owner at the same time, and a dealer and the like cannot counterfeit traceability certificates with production pain again. The method solves the problem that the quantity of the commodity batch is not matched with the twin quantity on the chain by matching the quantity of the commodity certificate (including but not limited to the quantity, the volume, the quality and the like) with the quantity of the quotient.
Specifically, the user mainly obtains the credential in two ways: after the user receives commodity, through the traceability voucher that reads commodity, apply for in complex applet, webpage, APP and draw the commodity voucher, after the application is drawn, the commodity voucher will transfer to user's chain account interior method two automatically: some channels of selling on line, the account address on the chain has been pre-configured to the user when submitting the order, after the user confirms the receipt, the system sends the commodity voucher of corresponding quantity to the account on the user chain automatically, through modes such as APP, webpage, applet trace the inquiry and verify of information, mainly verify following content:
verifying whether the number of the commodity certificates is matched with the number of the purchased commodities, whether the commodity certificates are received and whether the certificate names are matched with the commodities;
checking whether the uplink ID hash value stored in the commodity certificate is matched with the uplink hash value of each link of the tracing information flow;
if the consumer does not receive the commodity certificate after applying for extracting the commodity certificate or the traceability data in the received commodity certificate are not matched, the fake goods in the batch of goods can be judged.
Example 2
A computer device, the device comprising: one or more processors; memory for storing one or more programs that, when executed by the one or more processors, cause the one or more processors to perform the method of embodiment 1.
A storage medium storing a computer program which, when executed by a processor, implements the method as described in embodiment 1 above.
Fig. 1 is a schematic structural diagram of an apparatus provided in this embodiment.
As shown in fig. 1, as another aspect, the present application also provides a computer apparatus 500 including one or more Central Processing Units (CPUs) 501 that can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM)502 or a program loaded from a storage section 508 into a Random Access Memory (RAM) 503. In the RAM503, various programs and data necessary for the operation of the apparatus 500 are also stored. The CPU501, ROM502, and RAM503 are connected to each other via a bus 504. An input/output (I/O) interface 505 is also connected to bus 504.
The following components are connected to the I/O interface 505: an input portion 506 including a keyboard, a mouse, and the like; an output portion 507 including a display such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker; a storage portion 508 including a hard disk and the like; and a communication section 509 including a network interface card such as a LAN card, a modem, or the like. The communication section 509 performs communication via a network such as the internet, and the processing driver 510 is also connected to the I/O interface 505 as necessary. A removable medium 511 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 510 as necessary, so that a computer program read out therefrom is mounted into the storage section 508 as necessary.
In particular, according to the embodiments disclosed in the present application, the method described in the above embodiment 1 may be implemented as a computer software program. For example, embodiments disclosed herein include a computer program product comprising a computer program tangibly embodied on a machine-readable medium, the computer program comprising program code for performing the method described in any of the embodiments above. In such an embodiment, the computer program may be downloaded and installed from a network through the communication section 509, and/or installed from the removable medium 511.
As yet another aspect, the present application also provides a computer-readable storage medium, which may be the computer-readable storage medium included in the apparatus of the above-described embodiment; or it may be a separate computer readable storage medium not incorporated into the device. The computer readable storage medium stores one or more programs for use by one or more processors in performing the methods described herein.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units or modules described in the embodiments of the present application may be implemented by software or hardware. The described units or modules may also be provided in a processor, for example, each of the described units may be a software program provided in a computer or a mobile intelligent device, or may be a separately configured hardware device. Wherein the designation of a unit or module does not in some way constitute a limitation of the unit or module itself.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the present application. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (7)
1. A commodity traceability system based on a block chain is characterized by comprising:
the information flow platform is used for recording information flow data of commodity production and sale to form a corresponding deposit certificate;
the commodity certificate platform is applied to the commodity sales stage and used for issuing the commodity certificates and providing a platform for the circulation of the commodity certificates;
the user nodes comprise raw material suppliers, production parties, quality inspection parties, distributors and retail parties, are used as different types of user nodes, are registered in one or two of the information flow platform and the commodity certificate platform, and are used for acquiring and storing self-related information flow data or commodity certificate data and carrying out related business operations;
the supervision agency records the issued commodity certificates;
the information flow platform and the commodity certificate platform are constructed on the basis of the same blockchain network, user nodes including a raw material supplier, a production party, a quality inspection party, a distributor and a retail party are registered on the information flow platform, the commodity certificate platform is registered with the user nodes including the distributor and the retail party and is communicated with the monitoring mechanism, the user nodes on the information flow platform deposit relevant information flow data of the user nodes through transactions, the deposit certificate on the information flow platform can be automatically associated with the previous deposit certificate, the commodity certificate issued by the commodity certificate platform is associated with the corresponding deposit certificate, and the commodity certificate is issued on the basis of a blockchain communication form.
2. A commodity traceability method based on a blockchain, which is applicable to the commodity traceability system of claim 1, the method comprising:
various raw material suppliers, production parties, quality inspection parties, distributors at all levels and retail parties are used as different types of user nodes to be registered on the information flow platform;
all levels of dealers and retailers serve as different types of user nodes and are registered on the commodity voucher platform;
each user node of different types sends self related information to an information flow platform in a transaction form and stores the self related information in a block chain network, corresponding certificate storage and certificate storage ID are generated according to the self related information, each private key is adopted for signature of the certificate storage, and the certificate storage is automatically associated with related preorders based on the certificate storage ID;
a dealer or a retail party user node generates a commodity certificate according to the certificate-storing ID, and records the commodity certificate through a supervision mechanism, wherein the commodity certificate is issued based on a block link certification form;
configuring a traceability identifier for each piece of commodity, wherein the traceability identifier is bound with the commodity certificate, and the user, the retailer or the distributor extracts the commodity certificate to the account of the user, the retailer or the distributor through identifying the traceability identifier.
3. The commodity tracing method based on the blockchain as claimed in claim 2, wherein each different type of user node sends its own related information to the information flow platform in a transaction form and stores the information in the blockchain network, so as to generate a corresponding certificate and a certificate ID and sign the certificate by using its own private key, comprising: various raw material suppliers send raw material supply information to an information flow platform in a transaction form so as to generate raw material storage certificates and sign by using private keys of the raw material storage certificates, wherein the raw material supply information comprises raw material names, raw material supplier information and raw material stocking information;
the method comprises the following steps that a producer sends commodity production information to an information flow platform in a trading mode to generate a commodity production deposit certificate and signs by using a private key of the commodity production deposit certificate, the commodity production deposit certificate is related to a related raw material deposit certificate, and the commodity production information comprises a producer, production time and production batch;
the quality inspection party sends the commodity quality inspection information to the information flow platform in a transaction mode, a commodity quality inspection storage certificate is generated according to the commodity quality inspection information, a private key of the commodity quality inspection storage certificate is used for signing, the quality inspection storage certificate is related to a relevant commodity production storage certificate, and the quality inspection information comprises a quality inspection report and a quality inspection mechanism;
each level of distributor sends commodity distribution information to an information flow platform in a transaction form so as to generate a commodity distribution deposit certificate and adopts a private key to sign, the commodity distribution deposit certificate is associated with a related quality inspection deposit certificate, and the commodity distribution information comprises a purchase record and distributor information;
the retail party sends the distribution information of the commodities to the information flow platform in a transaction mode, and then generates a commodity distribution certificate and signs by using a private key of the commodity distribution certificate, the retail certificate is associated with the relevant distributor certificate, and the retail party information comprises a stock record and retail party information.
4. The method for tracing commodities based on blockchain as claimed in claim 2, wherein the method for generating commodity certificates based on certificate-storing IDs by each stage of dealers or retail party user nodes comprises:
and each level of distributor or retailer user node generates a commodity certificate based on block chain certification based on commodity certification storage, the commodity certificate is issued on the block chain in a certification form, and the certification storage ID of the certificate related to the commodity certificate is written into the commodity certificate.
5. The method as claimed in claim 2, wherein the commodity certificate is generated based on blockchain non-homogenization certification.
6. A computer device, characterized by one or more processors;
a memory for storing one or more programs,
the one or more programs, when executed by the one or more processors, cause the one or more processors to perform the method recited in any of claims 2-5.
7. A storage medium storing a computer program, characterized in that the program, when executed by a processor, implements the method according to any one of claims 2 to 5.
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| CN202111167253.4A CN113888190A (en) | 2021-10-04 | 2021-10-04 | Commodity traceability system, method, equipment and storage medium based on block chain |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115375336A (en) * | 2022-10-24 | 2022-11-22 | 浙江省标准化研究院(金砖国家标准化(浙江)研究中心、浙江省物品编码中心) | Management method of target object transaction certificate, electronic equipment and storage medium |
| CN115374421A (en) * | 2022-10-24 | 2022-11-22 | 浙江省标准化研究院(金砖国家标准化(浙江)研究中心、浙江省物品编码中心) | Electronic certificate management method and device for target object and electronic equipment |
-
2021
- 2021-10-04 CN CN202111167253.4A patent/CN113888190A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115375336A (en) * | 2022-10-24 | 2022-11-22 | 浙江省标准化研究院(金砖国家标准化(浙江)研究中心、浙江省物品编码中心) | Management method of target object transaction certificate, electronic equipment and storage medium |
| CN115374421A (en) * | 2022-10-24 | 2022-11-22 | 浙江省标准化研究院(金砖国家标准化(浙江)研究中心、浙江省物品编码中心) | Electronic certificate management method and device for target object and electronic equipment |
| CN115375336B (en) * | 2022-10-24 | 2023-02-24 | 浙江省标准化研究院(金砖国家标准化(浙江)研究中心、浙江省物品编码中心) | Management method of target object transaction certificate, electronic equipment and storage medium |
| WO2024087597A1 (en) * | 2022-10-24 | 2024-05-02 | 浙江省标准化研究院(金砖国家标准化(浙江)研究中心、浙江省物品编码中心) | Method for managing transaction certificate of target object, electronic device, and storage medium |
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