CN106779737A - Product based on block chain technology is traced to the source verification method - Google Patents
Product based on block chain technology is traced to the source verification method Download PDFInfo
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- CN106779737A CN106779737A CN201611081529.6A CN201611081529A CN106779737A CN 106779737 A CN106779737 A CN 106779737A CN 201611081529 A CN201611081529 A CN 201611081529A CN 106779737 A CN106779737 A CN 106779737A
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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
- G06Q30/0185—Product, service or business identity fraud
Abstract
Traced to the source verification method, including trace to the source step and verification step the invention discloses a kind of product based on block chain technology, wherein, step of tracing to the source is as follows：1）It is intended to build block with production process information data, is stored in privately owned block chain；2）Three essential informations are built the label information that can verify that；3）Sell node the consumption information of product and described label information are added in publicly-owned block chain；Described verification step is as follows：A. Product labelling is obtained；B. the Product labelling is inquired about in publicly-owned block chain；C. the authenticity and uniqueness of the product are determined with publicly-owned block chain relative recording according to Product labelling.Using this method, can ensure that acquisition information of tracing to the source it is true and reliable, solve product duplication, distribute indiscriminately, the technical problem such as person liable cannot bind, at the same time, the present invention can guarantee that the Effec-tive Function and control cost of traceability system.
Description
Technical field
The present invention relates to block chain technology concrete application technical field, specifically relate to a kind of based on block chain technology
Product is traced to the source verification method.
Background technology
It is a kind of important means of modern supplies management that product is traced to the source, and increasingly obtains government the problems such as with food security
With the concern of society, product traces to the source（As food, agricultural product security are traced to the source）The information application technique in field is just fast-developing.
The product traceability system of current main flow is mainly by centered on departments of government or certain core enterprise and dominating, using row
Political affairs means or market position force to be used cooperatively according to its specification in upstream and downstream relevant enterprise, and the record of tracing to the source of product is by certain portion
Men Huo companies are processed, and are existed and are maliciously tampered, replicate, distributing indiscriminately and the potential safety hazard such as cannot bind with person liable.
There is following hidden danger in the product traceability system of current main flow：1. the database of product traceability system technically cannot
Avoid distorting product information.2. the label information of certified products can be replicated by fakement.3. product is if there is quality problems, problem link
And responsible person concerned's location difficulty.4. producer can exceed should have yield arbitrarily to distribute product indiscriminately.
Publication No. CN105608146A, publication date is that the Chinese patent literature on May 25 in 2016 discloses a kind of area
Block chain tracing method, the method comprises the following steps：Block catenary system receives a certain block chain address for treating tracing
Afterwards, since current block, the order produced according to block travels through whole block chain；The block catenary system is tied according to traversal
Really, the income spanning tree and expenditure spanning tree of the block chain address of tracing are treated described in building, this is obtained and is treated tracing
The assets transfer historical record of block chain address.The method will be helpful to follow the trail of the illegal usage behavior of block catenary system and illegal
User, it is to avoid block catenary system turns into the instrument utilized by lawless person, for the broader applications of block chain technology provide base
Plinth.
Although above-mentioned patent document discloses a kind of block chain tracing method, but the program provide only a kind of inquiry
Method, i.e., scan for, rather than production process is reviewed to data in block chain.
The content of the invention
It is contemplated that for defect and deficiency existing for above-mentioned prior art, there is provided a kind of based on block chain technology
Product is traced to the source verification method, using this method, can ensure that acquisition information of tracing to the source it is true and reliable, solve product duplication,
Distribute indiscriminately, the technical problem such as person liable cannot bind, at the same time, the present invention can guarantee that the Effec-tive Function of traceability system and control into
This.
The present invention is realized by using following technical proposals：
A kind of product based on block chain technology is traced to the source verification method, it is characterised in that：Including step and the verification step of tracing to the source, its
In, step of tracing to the source is as follows：
1）It is intended to build block with production process information data, is stored in privately owned block chain；
2）Three essential informations are built the label information that can verify that；Three essential informations include：
Production code member；
The link of corresponding informance in privately owned block chain；
The cryptographic Hash of corresponding informance in privately owned block chain；
3）Sell node the consumption information of product and described label information are added in publicly-owned block chain；
Described verification step is as follows：
A. Product labelling is obtained；
B. the Product labelling is inquired about in publicly-owned block chain；
C. the authenticity and uniqueness of the product are determined with publicly-owned block chain relative recording according to Product labelling；
D. according to the corresponding product information of publicly-owned block chain, the detailed creation data of the product in privately owned block chain is obtained；
E. checked with the data of corresponding privately owned block chain by the cryptographic Hash of publicly-owned block chain, production code member information, really
Recognize whether privately owned block chain data are maliciously tampered, if distorting, the corresponding cryptographic Hash of privately owned block chain and publicly-owned block chain
In corresponding cryptographic Hash it is different.
Described plan includes production code member, the production schedule, detection data, pesticide species and uses with production process information
Data, seedling, phenology, place of production information and logistics progress information.
Described consumption information includes consumption time and consumption place.
Compared with prior art, what the present invention was reached has the beneficial effect that：
1. privately owned block chain has speed fast, low cost and other advantages than publicly-owned block chain.Therefore, stored using privately owned chain technology
The details of production phase, can effectively improve speed reduces cost.Detailed creation data in privately owned block chain can be used for
Product is traced to the source.
2. publicly-owned block chain（Such as bit coin network, eth etc.）With confidence level very high, ensure that it is counted by block chain technology
According to not alterability.Therefore publicly-owned block chain technology is used, it is possible to increase the confidence level and publicity of product information.
3. the information for being stored in privately owned block chain（Such as put on record, detect, agricultural chemicals, plantation, the place of production etc.）If being tampered, its
Structuring block generates mark by Hash necessarily to be changed, the cryptographic Hash punching that certainly will be stored with label disclosed in publicly-owned block chain
It is prominent.Therefore, the tampering of privately owned block chain data will necessarily be found.Further, since the relevant information of publicly-owned block chain with
Record in privately owned block chain can be used as process of producing product evidence.
4. sales information is recorded in publicly-owned block chain, such as selling time, selling spot can prevent the duplication of label.Example
Such as, a sales information for product（Including selling spot and selling time）Can be entered into publicly-owned block chain.If fakement is replicated
Its label, is sold, and can occur following two problems：First, selling time conflicts with certified products selling time；Second, by
Can not possibly be consumed twice in identical product, therefore the information of fakement cannot be stored in corresponding publicly-owned block chain.
5. storage can solve person liable's binding issue by digital signature in privately owned block chain.
6. due in privately owned block chain storage plan information cannot change, therefore the present invention can prevent product from distributing indiscriminately.
Brief description of the drawings
Below in conjunction with specification drawings and specific embodiments, the present invention is described in further detail, wherein：
Fig. 1 is this method schematic flow sheet；
Fig. 2 is the storage organization schematic diagram of publicly-owned block chain and privately owned block chain；
Fig. 3 is the storage organization schematic diagram of publicly-owned block chain and privately owned block chain in example.
Specific embodiment
Block chain is a kind of similar to technical solution as non-relational database, does not imply that certain specific skill
Art.Block chain technology can be realized by various programming languages and framework.Compare and traditional database, block chain has can not be distorted
Characteristic.Block chain has some blocks to constitute.Each block stores some transaction data（Message）.The data of every message and area
Processed message carries out Hash calculation in block（Hash Function, also referred to as hash function）, obtain corresponding Hash
Value.So, in a block, the change of any a piece of news can cause follow-up Hash value changes.Therefore, the Kazakhstan in block
Uncommon value can be used for verifying the validity of the block data, and for linking next message.The processing mode of block is similar to, i.e.,
Each block carries out Hash calculation with the cryptographic Hash of processed block, generates new cryptographic Hash, constitutes pass nested layer by layer
System.If have modified the data in any block, the Hash that can be stored with next block chain is mismatched, and produces contradiction.Therefore
The data stored in block chain cannot be distorted.
Using block chain technology, it can be ensured that the data of storage can not be distorted, while avoiding multiple payment.This characteristic energy
The uniqueness for ensuring commodity is enough in, and can be used to prevent the bootlegging of Product labelling.Technology of Internet of things can obtained
Each session information of production.Therefore, block chain technology is combined and the addition in block chain with Internet of Things tracing technology
Production schedule information and related director's digital signature can provide a kind of new product source tracing method.Profit can keep away in this way
Data are tampered in exempting from traceability system, prevent Product labelling bootlegging problem, and can quickly position problem ring in production process
Section and related director.Simultaneously as adding production schedule information, can prevent product from distributing indiscriminately.
Privately owned block chain is a kind of efficient, information storage means of Large Copacity compared with publicly-owned block chain；And publicly-owned block
Chain is with a high credibility, but storage efficiency is low and costly.Therefore, two ways complements each other, and constitutes a kind of tracing to the source for practicality
System.
Publicly-owned block chain data have can not tamper, therefore, it is possible to reach following target.First, privately owned block chain
Information can be verified with the label information in publicly-owned block chain, it is ensured that the data in privately owned chain cannot be changed；Second, produce
Product information accomplishes that disclosure can be looked into；3rd, because product and selling time are stored on publicly-owned block chain, it can be ensured that product and mark
The uniqueness of label.
The information that the present invention will be produced in production process, such as in agricultural product production process, production code member, production meter
Draw, detection data, pesticide species and the data using each stage such as data, seedling, phenology, place of production information and logistics progress information
Build privately owned block chain.The said goods production information generates label information, then with sales information, such as selling time is stored in together
In publicly-owned block catenary system.
Consumer obtains the label information and sales information of product by publicly-owned block chain.Consumer, quality testing department and its
Its related personnel can obtain detailed production information by the label of the product on corresponding privately owned block chain position,
Complete tracing to the source for product.
The present invention includes publicly-owned block chain subsystem and privately owned block chain subsystem.
Publicly-owned block chain
As shown in Figures 1 and 3, the example by the various information in sale, i.e. source of seedling information, planting base information, sale
Information, consumption information, production and processing information, add the digital signature obtained by biological identification technology to store in privately owned chain simultaneously
By Hash, the memory block of structuring is built, in storage and privately owned block chain.By production code member, the product information it is privately owned
The cryptographic Hash of block builds label information where position and the product in block chain.Node is sold by the sales information of product,
It is added in publicly-owned block chain with previously described label information.Record consumer information, including selling time, selling spot,
The information such as sale people and dealer.These information can be prevented from replicating, i.e., identical product can not possibly be consumed twice.
The realization of publicly-owned block chain subsystem can dispose contract by technology such as ether mill more ripe at present
Realized on to ether mill block chain or using other existing block chains, it is also possible to build a block using prior art oneself
Chain.
Publicly-owned block chain confidence level is very high, but it has as a drawback that：
Data storage is inefficient, it is impossible to quickly to data storage in publicly-owned block chain.
More huge data can not be stored, it is impossible to which detailed data is directly stored in publicly-owned block chain.
Direct data storage is relatively costly in publicly-owned block chain, only uneconomical using publicly-owned block chain.
Privately owned block chain
In this example, using the advantage of privately owned block chain energy efficient storage mass data, it is stored in privately owned chain：
1. source of seedling information, including species, the place of production, provider, DNA information and information etc. digital signature.
2. planting base information, including geographical environment, director, phenology, production management information：Detection numbering and numeral are signed
The information such as name.
3. information, including enterprise name, director, processing mode, packaging time, batch, quality inspection and numeral are produced and processed
The information such as signature.
The data and structure being stored in privately owned block chain are as shown in Figure 3.
Publicly-owned block chain subsystem is interacted with privately owned block block chain subsystem
As shown in figure 1, the data being mentioned above in privately owned block chain can be checked, in the way of cryptographic Hash in generating label information
Cryptographic Hash is generated again, is compared with cryptographic Hash in the label information stored in publicly-owned block chain.If both are identical, prove privately owned
Data in block chain are not tampered with, and the information in illustrating privately owned block chain if the difference is tampered or information is believed for false
Breath.
System operation flow is as follows：
1. the cryptographic Hash of the data in production process and the data genaration is configured to structural data, stored in privately owned block
Chain.
2. three essential informations are built the label information that can verify that.Three essential informations include：(1) production code member；(2)
The link of corresponding informance in privately owned block chain；(3) in privately owned block chain corresponding informance cryptographic Hash；
3. node is sold by the sales information of product（Selling time, selling spot, sell the information such as donor）With the mark of the 2nd step
Label information is added in publicly-owned block chain.
4. consumer or third party personnel（Such as quality testing department）Obtain Product labelling.
5. consumer or third party personnel（Such as quality testing department）The Product labelling can be inquired about in publicly-owned block chain.
6. the authenticity and uniqueness of the product are determined according to Product labelling with publicly-owned block chain relative recording.
7. consumer and third party personnel（Such as quality testing department）Can be obtained according to the corresponding product information of publicly-owned block chain
The detailed creation data of the product in privately owned block chain.
Claims (3)
1. a kind of product based on block chain technology is traced to the source verification method, it is characterised in that：Including step and the verification step of tracing to the source,
Wherein, step of tracing to the source is as follows：
1）It is intended to build block with production process information data, is stored in privately owned block chain；
2）Three essential informations are built the label information that can verify that；Three essential informations include：
Production code member；
The link of corresponding informance in privately owned block chain；
The cryptographic Hash of corresponding informance in privately owned block chain；
3）Sell node the consumption information of product and described label information are added in publicly-owned block chain；
Described verification step is as follows：
A. Product labelling is obtained；
B. the Product labelling is inquired about in publicly-owned block chain；
C. the authenticity and uniqueness of the product are determined with publicly-owned block chain relative recording according to Product labelling；
D. according to the corresponding product information of publicly-owned block chain, the detailed creation data of the product in privately owned block chain is obtained；
E. checked with the data of corresponding privately owned block chain by the cryptographic Hash of publicly-owned block chain, production code member information, really
Recognize whether privately owned block chain data are maliciously tampered, if distorting, the corresponding cryptographic Hash of privately owned block chain and publicly-owned block chain
In corresponding cryptographic Hash it is different.
2. a kind of product based on block chain technology according to claim 1 is traced to the source verification method, it is characterised in that：It is described
Plan and production process information include production code member, the production schedule, detection data, pesticide species and use data, seedling, thing
Time, place of production information and logistics progress information.
3. a kind of product based on block chain technology according to claim 1 is traced to the source verification method, it is characterised in that：It is described
Consumption information include consumption time and consumption place.
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| CN201611081529.6A CN106779737B (en) | 2016-11-30 | 2016-11-30 | Product traceability verification method based on block chain technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611081529.6A CN106779737B (en) | 2016-11-30 | 2016-11-30 | Product traceability verification method based on block chain technology |
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