CN111383036A - Diamond supply tracking method based on block chain - Google Patents
Diamond supply tracking method based on block chain Download PDFInfo
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- CN111383036A CN111383036A CN202010201906.5A CN202010201906A CN111383036A CN 111383036 A CN111383036 A CN 111383036A CN 202010201906 A CN202010201906 A CN 202010201906A CN 111383036 A CN111383036 A CN 111383036A
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- diamond
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
Abstract
The invention discloses a diamond supply tracking method based on a block chain, which is characterized by comprising the following steps: s1: the diamond certificate management contract, the bottom layer chain platform and the client program carry out data transmission mutually, wherein when only two original addresses exist in the diamond certificate management contract, the operation of adding the original addresses can be carried out, when three original addresses exist, any one of the original addresses is cancelled, and when the number of the original addresses is larger than that of the original addresses, the other address can be cancelled or authorized; s2: after the original address information is obtained, an authorization request is sent, authorization original data are spliced after an authorization signature result is obtained, the original data are sent to an uplink, and information verification is carried out on the link; s3: the user with the original address can authorize the service staff, so that the increase and decrease operations of the service staff are realized, and when the service staff fills the user name, the address and the selected operation in the authorized service application interface.
Description
Technical Field
The invention relates to a method, in particular to a diamond supply tracking method based on a block chain.
Background
For the source tracing and circulation problem of the commodity in the supply chain, the source tracing problem of the commodity may need to be traced forward, and the production environment of the commodity can be preferably recorded. In the case of agricultural products, the records of key details in production links, such as pesticide application problems and precipitation and drought problems, are recorded. If the data can be recorded faithfully, the method can be greatly helpful for increasing the credibility of the commodities. In the case of agricultural products, the records of key details in production links, such as pesticide application problems and precipitation and drought problems, are recorded. If the data can be recorded faithfully, the method can be greatly helpful for increasing the credibility of the commodities. In addition, not only the data on the logistics, but also more information entry is needed, such as information of the commodity flowing in the whole supply chain, so that the consumers can see the complete data of the participants, and more trust endorsement bodies are added.
The counterfeit goods on the market are across, counterfeit goods are vivid, the suspicion of consumers for real goods is difficult to distinguish due to the fact that the consumers are deliberately made fake in the supply process, the existing supply chain management method only belongs to the production and distribution company and can know the real situation, the consumers cannot know the specific situation, and meanwhile, the method is difficult for the consumers to know the parameters and the production process data from the prototype of the goods.
Disclosure of Invention
The technical problem to be solved by the invention is that consumers often doubt own purchased diamond commodities, and merchants are also liable to fail to prove the authenticity of the commodities to the consumers, and the invention aims to provide a diamond supply tracking method based on a block chain, so that a service method is needed to make the identity of the diamond clear, buyers inquire the real information of the purchased diamond in real time, and the authenticity is clarified by using the block chain technology, so that the counterfeit phenomenon on the market is reduced, and the problems are solved.
The invention is realized by the following technical scheme:
a method for blockchain-based diamond supply tracking, the method comprising the steps of: s1: the diamond certificate management contract, the bottom layer chain platform and the client program carry out data transmission mutually, wherein when only two original addresses exist in the diamond certificate management contract, the operation of adding the original addresses can be carried out, when three original addresses exist, any one of the original addresses is cancelled, and when the number of the original addresses is larger than that of the original addresses, the other address can be cancelled or authorized; s2: after the original address information is obtained, an authorization request is sent, authorization original data are spliced after an authorization signature result is obtained, the original data are sent to an uplink, and information verification is carried out on the link; s3: when the operator fills own user name, address and selected operation in an authorization service application interface, information needing to be signed is transmitted to the user with the original address in a two-dimensional code mode, and service authorization is finished; s4: after authorization, a salesman inputs a diamond number and information reserved by a client into a block chain server, and sends an upper chain after confirmation and performs information repeated verification on the chain; s5: after the seller uploads the sold diamond information to the chain, the seller can check the chain-linked diamonds at any time.
Further, the user name information of the user can be modified in the original address by the self-signature verification in the step S1.
Further, the authorization in step S1 is that when the authorization request is initiated, that is, the two-dimensional code is generated and provided for the original authorizer for authorization, and after the authorizer signs, the two-dimensional code is generated as a result of the signature and is transmitted to the applicant, so as to complete the subsequent operations.
Further, the information filled by the clerk in step S3 includes information on the chain for purchasing diamonds, information about GIA, information reserved when purchasing diamonds, and information about the block where the trading place is located.
Further, the chain platform in step S1 constitutes a main function module of the diamond chain through communication, consensus protocol, storage, WebAssembly virtual machine, and RPC service.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the diamond supply tracking method based on the block chain, the commodity production process cannot be opened to consumers, and the consumers know only commodity parameters but not authenticity;
2. according to the diamond supply tracking method based on the block chain, commodities can be fallen from a package and fake in the supply process, only the records of the traditional supply chain are recorded, and the phenomenon of intentional falling from the package and fake cannot be found;
3. the diamond supply tracking method based on the block chain enables the whole process to be transparent and has higher efficiency compared with the prior art.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a flowchart illustrating step S1 according to the present invention.
Fig. 2 is a flow chart of the authorization service of the present invention.
Fig. 3 is a flow chart of the certificate uplink service of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
Referring to fig. 1-3, the present invention provides a method for diamond supply tracking based on block chain, comprising the steps of: s1: the diamond certificate management contract, the bottom layer chain platform and the client program carry out data transmission mutually, wherein when only two original addresses exist in the diamond certificate management contract, the operation of adding the original addresses can be carried out, when three original addresses exist, any one of the original addresses is cancelled, and when the number of the original addresses is larger than that of the original addresses, the other address can be cancelled or authorized; s2: after the original address information is obtained, an authorization request is sent, authorization original data are spliced after an authorization signature result is obtained, the original data are sent to an uplink, and information verification is carried out on the link; s3: when the operator fills own user name, address and selected operation in an authorization service application interface, information needing to be signed is transmitted to the user with the original address in a two-dimensional code mode, and service authorization is finished; s4: after authorization, a salesman inputs a diamond number and information reserved by a client into a block chain server, and sends an upper chain after confirmation and performs information repeated verification on the chain; s5: after the seller uploads the sold diamond information to the chain, the seller can check the chain-linked diamonds at any time.
The method adopts the SCRY diamond chain service, starts from the block chain technology, under the protection of natural characteristics such as incapability of tampering, traceability, public transparency and the like of the block chain and under the guarantee that a certificate is issued by a three-party authority, the authenticity and the production process of the diamond are simultaneously uploaded to the block chain by the real data record, the diamond is viewed from an intelligent contract, authorization, data information chaining and the certificate, the diamond is viewed from the real world to a client, the diamond information and the certificate can be completely viewed by a consumer from the chaining of the diamond certificate, the selling information chaining and the consumer from the chaining to the client, and the consumer can rely on the technology to guarantee the authenticity and reliability of purchased commodities.
The user name information of the user can be modified in the original address through the self-signature confirmation in the step S1.
The authorization in step S1 is that when an authorization request is initiated, the two-dimensional code is generated and provided to the original authorizer for authorization, and after the authorizer signs, the two-dimensional code is generated from the signature result and transmitted to the applicant, thereby completing the subsequent operations.
The information filled by the salesperson in the step S3 includes information on the chain for purchasing diamonds, information about GIA, information reserved when purchasing diamonds, and information about the block where the trade is located. After the seller uploads the sold diamond information to the chain, the chain-linked diamond can be checked at any time, and the checked content comprises the basic information of the diamond, whether the diamond is sold and other information;
for the buyer, the information of the purchased diamond on the chain can be checked, wherein the information comprises GIA information, information reserved when the diamond is purchased and information of a trading place block;
the chain platform in the step S1 constitutes a main function module of the diamond chain through communication, consensus protocol, storage, WebAssembly virtual machine, and RPC service. The contract of the upper layer can be operated, and the chain realizes that energy is not collected for the contract calling in a prepayment mode, so that the operation of a service staff is facilitated. This is different from the current situation where the contract operation caller has to pay for ETH. Meanwhile, in order to ensure the stability and the safety of the system, a certain amount of limitation is made on the function which can cause state change in the contract called by the operator free, and when the number of times of use of the operator in a period of time exceeds the limitation, a certain amount of energy value is paid for subsequent calling.
In order to facilitate the operation of original address users, operators and buyers, the diamond chain is embedded into a wallet in a DAPP mode to operate, meanwhile, in order to improve the safety, the password management and signature processes related in the whole business process are all realized by the wallet end, and the safety of user keys is guaranteed.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A method for blockchain-based diamond supply tracking, the method comprising the steps of:
s1: the diamond certificate management contract, the bottom layer chain platform and the client program carry out data transmission mutually, wherein when only two original addresses exist in the diamond certificate management contract, the operation of adding the original addresses can be carried out, when three original addresses exist, any one of the original addresses is cancelled, and when the number of the original addresses is larger than that of the original addresses, the other address can be cancelled or authorized;
s2: after the original address information is obtained, an authorization request is sent, authorization original data are spliced after an authorization signature result is obtained, the original data are sent to an uplink, and information verification is carried out on the link;
s3: when the operator fills own user name, address and selected operation in an authorization service application interface, information needing to be signed is transmitted to the user with the original address in a two-dimensional code mode, and service authorization is finished;
s4: after authorization, a salesman inputs a diamond number and information reserved by a client into a block chain server, and sends an upper chain after confirmation and performs information repeated verification on the chain;
s5: after the seller uploads the sold diamond information to the chain, the seller can check the chain-linked diamonds at any time.
2. The method of claim 1, wherein the user name information of the diamond is modified in the original address by self-signature verification in step S1.
3. The method for diamond supply tracking based on block chain as claimed in claim 1, wherein the authorization in step S1 is generated as an authorization request, i.e. a two-dimension code is generated to provide authorization to the original authorizer, and after the authorizer signs, the two-dimension code is generated as a signature result and transmitted to the applicant, thereby completing the subsequent operations.
4. The method for diamond supply tracking based on block chain as claimed in claim 1, wherein the information filled by the clerk in step S3 includes information on chain for diamond purchase, information about GIA, information about reserved diamond purchase, and information about block of trading place.
5. The method of claim 1, wherein the chain platform in step S1 constitutes the main functional module of diamond chain through communication, consensus protocol, storage, WebAssembly virtual machine, RPC service.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010201906.5A CN111383036A (en) | 2020-03-20 | 2020-03-20 | Diamond supply tracking method based on block chain |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010201906.5A CN111383036A (en) | 2020-03-20 | 2020-03-20 | Diamond supply tracking method based on block chain |
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| CN111383036A true CN111383036A (en) | 2020-07-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112967057A (en) * | 2021-04-01 | 2021-06-15 | 成都埃克森尔科技有限公司 | Diamond supply chain optimization method based on block chain |
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| CN109903135A (en) * | 2019-02-27 | 2019-06-18 | 成都金晨数通科技有限公司 | A kind of jewelry electronic information shared system based on block chain |
| CN109919618A (en) * | 2019-03-22 | 2019-06-21 | 众安信息技术服务有限公司 | Permission update method and permission updating device based on block chain |
| CN109978571A (en) * | 2019-04-01 | 2019-07-05 | 众安信息技术服务有限公司 | Source tracing method based on block chain and device of tracing to the source |
| US10425230B1 (en) * | 2019-03-01 | 2019-09-24 | Capital One Services, Llc | Identity and electronic signature verification in blockchain |
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2020
- 2020-03-20 CN CN202010201906.5A patent/CN111383036A/en active Pending
Patent Citations (6)
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| CN106600405A (en) * | 2016-11-17 | 2017-04-26 | 复旦大学 | Block-chain-based data rights protection method |
| CN109829731A (en) * | 2019-01-30 | 2019-05-31 | 众安信息技术服务有限公司 | Source tracing method based on block chain and device of tracing to the source |
| CN109903135A (en) * | 2019-02-27 | 2019-06-18 | 成都金晨数通科技有限公司 | A kind of jewelry electronic information shared system based on block chain |
| US10425230B1 (en) * | 2019-03-01 | 2019-09-24 | Capital One Services, Llc | Identity and electronic signature verification in blockchain |
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| CN112967057A (en) * | 2021-04-01 | 2021-06-15 | 成都埃克森尔科技有限公司 | Diamond supply chain optimization method based on block chain |
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