CN110889703A - E-commerce commodity traceability information acquisition method based on block chain - Google Patents
E-commerce commodity traceability information acquisition method based on block chain Download PDFInfo
- Publication number
- CN110889703A CN110889703A CN201810927117.2A CN201810927117A CN110889703A CN 110889703 A CN110889703 A CN 110889703A CN 201810927117 A CN201810927117 A CN 201810927117A CN 110889703 A CN110889703 A CN 110889703A
- Authority
- CN
- China
- Prior art keywords
- information
- block chain
- commodity
- verification
- code
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- 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
Landscapes
- Business, Economics & Management (AREA)
- Entrepreneurship & Innovation (AREA)
- Accounting & Taxation (AREA)
- Development Economics (AREA)
- Economics (AREA)
- Finance (AREA)
- Marketing (AREA)
- Strategic Management (AREA)
- Physics & Mathematics (AREA)
- General Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention provides an E-commerce commodity traceability information acquisition method based on a block chain, which belongs to the traceability information acquisition field. And attaching the anti-counterfeiting code to the corresponding commodity, acquiring a code filing certificate and transmitting the code filing certificate to a public block chain verification system. And (4) carrying out factory detection on the commodities, acquiring information of the detection process and the detection result, and transmitting the information to a public block chain verification system as a detection archive certificate. And (4) shipping the commodity and acquiring the shipping process and the shipping information as a shipping archive certificate to be transmitted to the public block chain verification system. And carrying out logistics tracking on the commodities, acquiring a logistics transfer verification process and logistics information as a logistics archive certificate and transmitting the logistics archive certificate to a public block chain verification system. And signing the commodities, acquiring the commodity signing process and commodity signing information as commodity signing file certification, and transmitting the commodity signing file certification to a public block chain verification system to finish the commodity traceability information acquisition.
Description
Technical Field
The invention relates to the field of traceability information acquisition, in particular to a block chain-based e-commerce commodity traceability information acquisition method.
Background
The existing digital anti-counterfeiting technology basically adopts a commodity anti-counterfeiting code generated by DES symmetric encryption based on a pseudo-random sequence or an ordered serial number, and has a certain difference with the performance requirements of 'non-forgeability and uniqueness' of the commodity anti-counterfeiting code in the digital anti-counterfeiting technology; most of the existing commodity anti-counterfeiting code generation methods are anti-counterfeiting code generation algorithms provided for single commodities, the calculation is complex, the safety and the calculation efficiency of commodity anti-counterfeiting codes generated among certain batches of commodities and among all batches of commodities are not considered, and the method is difficult to apply to the actual production of the commodities in batches. Under the circumstances, a simple, feasible, safe and difficult-to-crack commodity anti-counterfeiting code batch generation method is provided, and the commodity anti-counterfeiting code with the characteristics of uniqueness and unforgeability is generated in batch, which is urgent. Particularly in the field of e-commerce, the authenticity verification of e-commerce commodities needs to be processed urgently, so that tracing the e-commerce commodities after verification is a line for verifying the commodities, particularly in the fields of agricultural products or cultivation and the like.
The patent with publication number 107220836 discloses a two-dimensional code-based block chain logistics traceability tracking anti-counterfeiting method, which is ambiguous in traceability tracking of the whole commodity, and information can not be publicly acquired in real time, so that some information can not be well disclosed to users, the credibility is not high during traceability, and social requirements can not be well met.
Disclosure of Invention
The invention provides a block chain-based E-commerce commodity traceability information acquisition method, which solves the technical problems of unpublished commodity traceability information acquisition and low reliability of the conventional commodity traceability information acquisition.
The invention solves the problems through the following technical scheme:
a tracing information acquisition method for E-commerce commodities based on a block chain comprises the following steps:
step 1: the commodity verification code generation system matches a specific anti-counterfeiting code according to a produced product, and transmits authenticity authentication information of the anti-counterfeiting code to the public block chain verification system;
step 2: pasting the anti-counterfeiting code on the corresponding commodity, acquiring a code filing certificate, and transmitting the code filing certificate to a public block chain verification system for storage;
and step 3: the commodity delivery detection and the detection process and detection result information are obtained and are used as detection archive certificates to be transmitted to a public block chain verification system for storage;
and 4, step 4: delivering the commodity and acquiring a delivery process and delivery information as delivery archive certificates and transmitting the delivery archive certificates to a public block chain verification system for storage;
and 5: carrying out logistics tracking on the commodities, acquiring a logistics transfer verification process and logistics information as a logistics archive certificate, and transmitting the logistics archive verification certificate to a public block chain verification system for storage;
step 6: and signing the commodities, acquiring the commodity signing process and commodity signing information as commodity signing and archiving certificates, and transmitting the commodity signing and archiving certificates to a public block chain verification system for storage to finish the commodity traceability information acquisition.
And the step 3 also comprises the steps of carrying out in-and-out warehouse detection on the commodities, acquiring the in-and-out warehouse detection process of the commodities and in-and-out warehouse information as in-and-out warehouse filing evidence, and transmitting the in-and-out warehouse information to a public block chain verification system for storage.
The specific process of the commodity verification code generation system for matching the specific anti-counterfeiting code according to the produced product is as follows:
step 1.1: the commodity verification code generation system matches a specific true and false verification code according to a produced product;
step 1.2: the commodity verification code generation system encrypts the authenticity verification code to obtain authenticity verification information and a verification ID;
step 1.3: the commodity verification code generation system transmits the authenticity verification information and the verification ID to the enterprise private block chain system;
step 1.4: the enterprise private block chain system broadcasts the authenticity verification information and the verification ID to each node of the enterprise private block chain system and stores the authenticity verification information and the verification ID;
step 1.5: the enterprise private block chain system transmits the authenticity verification information and the verification ID to the public block chain verification system and transmits the authenticity verification information to the anti-counterfeiting code generation system;
step 1.6: the public block chain verification system broadcasts the authenticity verification information and the verification ID to each node of the public block chain verification system for storage;
step 1.7: the anti-counterfeiting code generation system generates two-layer duplex anti-counterfeiting codes by the authenticity verification information and the commodity official network information and/or the platform commodity information.
The process of matching the specific authenticity verification code in step 1.1 is as follows:
and acquiring the production time, the production address, the production serial number and the production supervisor information of the produced product, and processing the information through a Hash algorithm to obtain the authenticity verification code.
The encryption process in step 1.2 is,
an encryption formula is selected for encryption, the encryption formula is,
in the formula (I), the compound is shown in the specification,
denotes the n subsequent values of the ith mapping iteration, i 1,2,3.. b-1, a-1, b, a, u are set values, and u e (1.64,2),
and u are both double-precision type numerical values, a 1,2,3n+1The authentication information is authenticity verification information.
The process of acquiring the paste code filing certificate in the step 2 is to take a picture of the paste code commodity, pack and send the picture, the paste code person, the time and the place which are taken to a public block chain verification system, and the public block chain verification system stores the authenticity authentication information of the anti-counterfeiting code as part of storage information of the block head of the block.
The process of acquiring the detection process and the detection result information in the step 3 is as follows: and carrying out photographing processing on the detected commodity, packaging the photographed picture, the detected person, the detected time, the detected place and the detected result, and sending the packaged result to a public block chain verification system, wherein the public block chain verification system stores the authenticity authentication information of the anti-counterfeiting code as part of storage information of a block head of the block.
And 4, acquiring a delivery process and a specific delivery information process in the step 4, carrying out shooting processing on the delivered commodity, packaging and sending the shot picture, the sender, the time, the place and the delivery information to a public block chain verification system, and storing the public block chain verification system by using the authenticity authentication information of the anti-counterfeiting code as part of storage information of the block head of the block.
The specific process of acquiring the logistics transit verification process and the logistics information in the step 5 is as follows: and carrying out photographing processing on the commodities at each station of the transit, packaging and sending the photographed photos, the shippers, the time, the places and the logistics information of each specific station of the commodities to a public block chain verification system, and storing the public block chain verification system by taking the authenticity authentication information of the anti-counterfeiting code as part of storage information of a block head of the block.
The specific process of acquiring the commodity sign-in process and the commodity sign-in information in the step 6 is to take a picture of the signed-in commodity, pack and send the picture taken, the sign-in person, the time, the place and the information of the signed-in commodity to a public block chain verification system, and the public block chain verification system stores the authenticity authentication information of the anti-counterfeiting code as part of storage information of a block head of the block.
The invention has the following beneficial effects:
according to the method, the specific flowing process of the E-commerce commodity is photographed, meanwhile, the passing personnel and information of each node are obtained, the photograph and the obtained information are stored in the public block chain verification system, when people need to trace the source of a certain commodity, the public block chain verification system can directly apply for analyzing a block to check the specific commodity circulation process, and therefore the condition that the commodity is changed in a transportation or circulation process is prevented, the circulation line of the commodity is better tracked, and the collected information is better acquired for tracing the source later.
Drawings
FIG. 1 is a flow chart of the present invention.
FIG. 2 is a flowchart of the process of generating anti-counterfeit codes according to the present invention.
Detailed Description
The present invention is further illustrated by the following examples.
The invention relates to a block chain-based E-commerce commodity traceability information acquisition method, which comprises the following steps:
step 1: the commodity verification code generation system matches a specific anti-counterfeiting code according to a produced product, and transmits the authenticity authentication information of the anti-counterfeiting code to the public block chain verification system. The specific process of the commodity verification code generation system for matching the specific anti-counterfeiting code according to the produced product is as follows:
step 1.1: the commodity verification code generation system matches a specific authenticity verification code according to a produced product. The process of matching the specific authenticity verification code is as follows: and acquiring the production time, the production address, the production serial number and the production supervisor information of the produced product, and processing the information through a Hash algorithm to obtain the authenticity verification code.
Step 1.2: the commodity verification code generation system encrypts the authenticity verification code to obtain authenticity verification information and a verification ID. The encryption process in step 1.2 is,
an encryption formula is selected for encryption, the encryption formula is,
in the formula (I), the compound is shown in the specification,
denotes the n subsequent values of the ith mapping iteration, i 1,2,3.. b-1, a-1, b, a, u are set values, and u e (1.64,2),
and u are both double-precision type numerical values, a 1,2,3n+1The authentication information is authenticity verification information.
Step 1.3: the commodity verification code generation system transmits the authenticity verification information and the verification ID to the enterprise private block chain system.
Step 1.4: the enterprise private blockchain system broadcasts the authenticity verification information and the verification ID to each node of the enterprise private blockchain system and stores the authenticity verification information and the verification ID.
Step 1.5: the enterprise private block chain system transmits the authenticity verification information and the verification ID to the public block chain verification system and transmits the authenticity verification information to the anti-counterfeiting code generation system.
Step 1.6: and the public block chain verification system broadcasts the authenticity verification information and the verification ID to each node of the public block chain verification system for storage.
Step 1.7: the anti-counterfeiting code generation system generates two-layer duplex anti-counterfeiting codes by the authenticity verification information and the commodity official network information and/or the platform commodity information. And generating by using a duplex anti-counterfeiting technology, wherein commodity official website information and/or platform commodity information are/is used as anti-counterfeiting code information of a first layer, and authenticity verification information is used as anti-counterfeiting code information of a second layer. And after scanning once, the second layer of anti-counterfeiting code information in the generated duplex anti-counterfeiting code becomes invalid. The duplex anti-counterfeiting code verification process comprises the following steps: and after the duplex anti-counterfeiting code is scanned, extracting public commodity official network information and/or platform commodity information, simultaneously extracting authenticity verification information, sending the authenticity verification information to a public block chain verification system for verification, and returning a verification result by the public block chain verification system. If the verification is the first verification, the public block chain verification system returns a verification result after the verification process needs to be photographed and photographing information is transmitted to the public block chain verification system for broadcast storage; and if the verification is not the first time, the public block chain verification system directly returns the structure of the first verification and the photographing information in the first verification process.
Step 2: and attaching the anti-counterfeiting code to the corresponding commodity, acquiring a code filing certificate, and transmitting the code filing certificate to a public block chain verification system for storage. The process of acquiring the paste code filing certificate is that the paste code commodity is photographed, photographed photos, paste code persons, time and places are packaged and sent to a public block chain verification system, and the public block chain verification system stores the authenticity authentication information of the anti-counterfeiting code as part of storage information of a block head of a block.
And step 3: and (4) carrying out factory detection on the commodities, acquiring the detection process and detection result information as a detection archive certificate, and transmitting the detection archive certificate to a public block chain verification system for storage. And carrying out in-out warehouse detection on the commodities, acquiring the in-out warehouse detection process of the commodities and in-out warehouse information as in-out warehouse archiving proof, and transmitting the in-out warehouse information to the public block chain verification system for storage. The commodity in-out warehouse detection process and the commodity in-out warehouse information acquisition process are that the commodity in-out warehouse is photographed, photographed pictures, in-out warehouse supervisors, time, places and concrete information of the in-out warehouse are packaged and sent to the public block chain verification system, and the public block chain verification system stores the authenticity authentication information of the anti-counterfeiting code as part of storage information of a block head of a block. The process of obtaining the detection process and the detection result information comprises the following steps: and carrying out photographing processing on the detected commodity, packaging the photographed picture, the detected person, the detected time, the detected place and the detected result, and sending the packaged result to a public block chain verification system, wherein the public block chain verification system stores the authenticity authentication information of the anti-counterfeiting code as part of storage information of a block head of the block.
And 4, step 4: and (4) delivering the commodity and acquiring delivery process and delivery information as delivery archive certificates, and transmitting the delivery archive certificates to the public block chain verification system for storage. The method comprises the specific processes of obtaining a delivery process and delivery information, shooting a delivered commodity, packaging and sending a shot picture, a sender, time, a place and the delivery information to a public block chain verification system, and storing the public block chain verification system by using authenticity authentication information of the anti-counterfeiting code as part of storage information of a block head of a block.
And 5: and carrying out logistics tracking on the commodities, acquiring a logistics transfer verification process and logistics information as a logistics archive certificate, and transmitting the logistics archive verification result to a public block chain verification system for storage. The specific process for acquiring the logistics transit verification process and the logistics information comprises the following steps: and carrying out photographing processing on the commodities at each station of the transit, packaging and sending the photographed photos, the shippers, the time, the places and the logistics information of each specific station of the commodities to a public block chain verification system, and storing the public block chain verification system by taking the authenticity authentication information of the anti-counterfeiting code as part of storage information of a block head of the block.
Step 6: and signing the commodities, acquiring the commodity signing process and commodity signing information as commodity signing and archiving certificates, and transmitting the commodity signing and archiving certificates to a public block chain verification system for storage to finish the commodity traceability information acquisition. The specific process of acquiring the commodity signing process and the commodity signing information is to take a picture of the signed commodity, pack and send the picture taken, the person signing, the time, the place and the commodity signing information to a public block chain verification system, and the public block chain verification system takes the authenticity authentication information of the anti-counterfeiting code as part of storage information of a block head of a block for storage.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited thereto, and various equivalent modifications and substitutions can be made without departing from the spirit of the present invention.
Claims (10)
1. A tracing information acquisition method for E-commerce commodities based on a block chain is characterized by comprising the following steps:
step 1: the commodity verification code generation system matches a specific anti-counterfeiting code according to a produced product, and transmits authenticity authentication information of the anti-counterfeiting code to the public block chain verification system;
step 2: pasting the anti-counterfeiting code on the corresponding commodity, acquiring a code filing certificate, and transmitting the code filing certificate to a public block chain verification system for storage;
and step 3: the commodity delivery detection and the detection process and detection result information are obtained and are used as detection archive certificates to be transmitted to a public block chain verification system for storage;
and 4, step 4: delivering the commodity and acquiring a delivery process and delivery information as delivery archive certificates and transmitting the delivery archive certificates to a public block chain verification system for storage;
and 5: carrying out logistics tracking on the commodities, acquiring a logistics transfer verification process and logistics information as a logistics archive certificate, and transmitting the logistics archive verification certificate to a public block chain verification system for storage;
step 6: and signing the commodities, acquiring the commodity signing process and commodity signing information as commodity signing and archiving certificates, and transmitting the commodity signing and archiving certificates to a public block chain verification system for storage to finish the commodity traceability information acquisition.
2. The block chain-based e-commerce commodity traceability information acquisition method according to claim 1, wherein: and the step 3 also comprises the steps of carrying out in-and-out warehouse detection on the commodities, acquiring the in-and-out warehouse detection process of the commodities and in-and-out warehouse information as in-and-out warehouse filing evidence, and transmitting the in-and-out warehouse information to a public block chain verification system for storage.
3. The block chain-based e-commerce commodity traceability information acquisition method according to claim 1, wherein: the specific process of the commodity verification code generation system for matching the specific anti-counterfeiting code according to the produced product is as follows:
step 1.1: the commodity verification code generation system matches a specific true and false verification code according to a produced product;
step 1.2: the commodity verification code generation system encrypts the authenticity verification code to obtain authenticity verification information and a verification ID;
step 1.3: the commodity verification code generation system transmits the authenticity verification information and the verification ID to the enterprise private block chain system;
step 1.4: the enterprise private block chain system broadcasts the authenticity verification information and the verification ID to each node of the enterprise private block chain system and stores the authenticity verification information and the verification ID;
step 1.5: the enterprise private block chain system transmits the authenticity verification information and the verification ID to the public block chain verification system and transmits the authenticity verification information to the anti-counterfeiting code generation system;
step 1.6: the public block chain verification system broadcasts the authenticity verification information and the verification ID to each node of the public block chain verification system for storage;
step 1.7: the anti-counterfeiting code generation system generates two-layer duplex anti-counterfeiting codes by the authenticity verification information and the commodity official network information and/or the platform commodity information.
4. The block chain-based e-commerce commodity traceability information acquisition method according to claim 1, wherein: the process of matching the specific authenticity verification code in step 1.1 is as follows:
and acquiring the production time, the production address, the production serial number and the production supervisor information of the produced product, and processing the information through a Hash algorithm to obtain the authenticity verification code.
5. The block chain-based e-commerce commodity traceability information acquisition method according to claim 3, wherein: the encryption process in step 1.2 is,
an encryption formula is selected for encryption, the encryption formula is,
in the formula (I), the compound is shown in the specification,
denotes the n subsequent values of the ith mapping iteration, i 1,2,3.. b-1, a-1, b, a, u are set values, and u e (1.64,2),
and u are both double-precision type numerical values, a 1,2,3n+1The authentication information is authenticity verification information.
6. The block chain-based e-commerce commodity traceability information acquisition method according to claim 1, wherein: the process of acquiring the paste code filing certificate in the step 2 is to take a picture of the paste code commodity, pack and send the picture, the paste code person, the time and the place which are taken to a public block chain verification system, and the public block chain verification system stores the authenticity authentication information of the anti-counterfeiting code as part of storage information of the block head of the block.
7. The block chain-based e-commerce commodity traceability information acquisition method according to claim 1, wherein: the process of acquiring the detection process and the detection result information in the step 3 is as follows: and carrying out photographing processing on the detected commodity, packaging the photographed picture, the detected person, the detected time, the detected place and the detected result, and sending the packaged result to a public block chain verification system, wherein the public block chain verification system stores the authenticity authentication information of the anti-counterfeiting code as part of storage information of a block head of the block.
8. The block chain-based e-commerce commodity traceability information acquisition method according to claim 1, wherein: and 4, acquiring a delivery process and a specific delivery information process in the step 4, carrying out shooting processing on the delivered commodity, packaging and sending the shot picture, the sender, the time, the place and the delivery information to a public block chain verification system, and storing the public block chain verification system by using the authenticity authentication information of the anti-counterfeiting code as part of storage information of the block head of the block.
9. The block chain-based e-commerce commodity traceability information acquisition method according to claim 1, wherein: the specific process of acquiring the logistics transit verification process and the logistics information in the step 5 is as follows: and carrying out photographing processing on the commodities at each station of the transit, packaging and sending the photographed photos, the shippers, the time, the places and the logistics information of each specific station of the commodities to a public block chain verification system, and storing the public block chain verification system by taking the authenticity authentication information of the anti-counterfeiting code as part of storage information of a block head of the block.
10. The block chain-based e-commerce commodity traceability information acquisition method according to claim 1, wherein: the specific process of acquiring the commodity sign-in process and the commodity sign-in information in the step 6 is to take a picture of the signed-in commodity, pack and send the picture taken, the sign-in person, the time, the place and the information of the signed-in commodity to a public block chain verification system, and the public block chain verification system stores the authenticity authentication information of the anti-counterfeiting code as part of storage information of a block head of the block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810927117.2A CN110889703A (en) | 2018-08-15 | 2018-08-15 | E-commerce commodity traceability information acquisition method based on block chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810927117.2A CN110889703A (en) | 2018-08-15 | 2018-08-15 | E-commerce commodity traceability information acquisition method based on block chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110889703A true CN110889703A (en) | 2020-03-17 |
Family
ID=69744210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810927117.2A Withdrawn CN110889703A (en) | 2018-08-15 | 2018-08-15 | E-commerce commodity traceability information acquisition method based on block chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110889703A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112633813A (en) * | 2020-12-31 | 2021-04-09 | 浙江万里学院 | Valuable commodity distribution management method based on block chain technology |
| CN112711724A (en) * | 2021-01-11 | 2021-04-27 | 河北博健科技有限公司 | Commodity code identification method and system suitable for block chain |
| CN114169830A (en) * | 2021-12-10 | 2022-03-11 | 上海慧正途远信息科技有限公司 | Traceability system based on logistics block chain consensus algorithm |
-
2018
- 2018-08-15 CN CN201810927117.2A patent/CN110889703A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112633813A (en) * | 2020-12-31 | 2021-04-09 | 浙江万里学院 | Valuable commodity distribution management method based on block chain technology |
| CN112633813B (en) * | 2020-12-31 | 2023-12-01 | 浙江万里学院 | Precious commodity distribution management method based on blockchain technology |
| CN112711724A (en) * | 2021-01-11 | 2021-04-27 | 河北博健科技有限公司 | Commodity code identification method and system suitable for block chain |
| CN112711724B (en) * | 2021-01-11 | 2022-05-31 | 河北博健科技有限公司 | Commodity code identification method and system suitable for block chain |
| CN114169830A (en) * | 2021-12-10 | 2022-03-11 | 上海慧正途远信息科技有限公司 | Traceability system based on logistics block chain consensus algorithm |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11062106B2 (en) | Large data transfer using visual codes with feedback confirmation | |
| CN110889703A (en) | E-commerce commodity traceability information acquisition method based on block chain | |
| WO2020034623A1 (en) | Blockchain-based commodity anti-counterfeiting code generation system | |
| KR102178583B1 (en) | Contract apparatus and method of blockchain using digital contents orginal key | |
| EP1959372B1 (en) | Distance-preserving anonymization of data | |
| US8417958B2 (en) | Systems and methods for electronic postmarking of data including location data | |
| CN110889705A (en) | E-commerce commodity traceability information acquisition system based on block chain | |
| CN1778065A (en) | Security method and apparatus using biometric data | |
| CN114338028A (en) | Threshold signature method and device, electronic equipment and readable storage medium | |
| WO2023009294A1 (en) | Distributed private key recovery | |
| CN110619521A (en) | Anonymous tune investigation system based on block chain | |
| Jin et al. | Privacy preserving face identification in the cloud through sparse representation | |
| CN111901336A (en) | Block chain-based digital identity authentication method | |
| CN116094724A (en) | Registration and authentication method and device for electronic identity | |
| CN103986724B (en) | Email real name identification method and system | |
| CN116244731A (en) | Verifiable privacy protection convolutional neural network system | |
| CN115277690A (en) | Industrial data supervisory systems based on block chain | |
| CN106911708A (en) | It is a kind of to support batch processing to verify and possess the cloud data public audit method of wrong data positioning function | |
| CN117436879B (en) | Rural property right transaction cloud signing method based on blockchain technology | |
| CN110889477A (en) | Commodity anti-counterfeiting code generation method based on block chain | |
| CN114201773B (en) | SkNN query method and system supporting access time limitation and verifiable result | |
| CN113704831B (en) | Digital signature multiparty generation method and system without simultaneous online of participants | |
| US12021870B2 (en) | Secure communication between different agencies in an incident area | |
| CN109299771B (en) | Method and system for protecting privacy information in logistics system based on two-dimension code | |
| Jabber et al. | Secure Cloud Computing By A dual-Layer Encryption Mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200317 |