CN112907261A - Seed quality traceability system based on block chain - Google Patents
Seed quality traceability system based on block chain Download PDFInfo
- Publication number
- CN112907261A CN112907261A CN202110164039.7A CN202110164039A CN112907261A CN 112907261 A CN112907261 A CN 112907261A CN 202110164039 A CN202110164039 A CN 202110164039A CN 112907261 A CN112907261 A CN 112907261A
- Authority
- CN
- China
- Prior art keywords
- account
- seed
- module
- unit
- seed quality
- 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.)
- Pending
Links
- 238000003860 storage Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 238000010252 digital analysis Methods 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract description 10
- 238000012545 processing Methods 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 2
- 244000132059 Carica parviflora Species 0.000 description 1
- 235000014653 Carica parviflora Nutrition 0.000 description 1
- 238000012550 audit Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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
-
- 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
- G06K17/0025—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 the arrangement consisting of a wireless interrogation device in combination with a device for optically marking the record carrier
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Accounting & Taxation (AREA)
- General Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Computer Networks & Wireless Communication (AREA)
- Development Economics (AREA)
- Economics (AREA)
- Finance (AREA)
- Marketing (AREA)
- Strategic Management (AREA)
- General Business, Economics & Management (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention relates to the technical field of traceability systems, in particular to a seed quality traceability system based on a block chain. The seed quality traceability platform comprises an account application unit, an account auditing unit, a two-dimension code generating unit and a storage unit; the account application unit is used for sending account application information to the seed quality traceability platform and generating an account; the account auditing unit is used for auditing the account generated by the account applying unit; the two-dimensional code generating unit is used for uploading seed characteristic information and generating a two-dimensional code; the storage unit is used for storing the seed characteristic information uploaded by the two-dimensional code generation unit. In the invention, a private chain of a seed quality traceability system is built through an Ether house platform, and a decentralized Ether virtual machine is provided through a special encryption currency Ether coin to process uplink, storage and query of seed information, thereby solving the serious problem of seed database centralization.
Description
Technical Field
The invention relates to the technical field of traceability systems, in particular to a seed quality traceability system based on a block chain.
Background
The quality of the seeds affects the production potential of the planting industry in China. The seed traceability system and system in China are not perfect, and a complete and safe seed industry chain is not formed. At present, a main seed quality traceability system in the market is based on a central database, and traceability transparency is not strong, so that people can trust the traceability system.
Disclosure of Invention
The present invention provides a seed quality tracing system based on a block chain, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides a seed quality traceability system based on a block chain, which comprises a seed quality traceability platform, wherein the seed quality traceability platform comprises an account application unit, an account auditing unit, a two-dimension code generation unit and a storage unit; the account application unit is used for sending account application information to the seed quality traceability platform and generating an account, and a user side applying the account application information comprises a farmer, a processing enterprise, a distributor and a supervision department; the account auditing unit is used for auditing the account generated by the account applying unit; the two-dimension code generating unit is used for uploading seed characteristic information and generating a two-dimension code; the storage unit is used for storing the seed characteristic information uploaded by the two-dimensional code generation unit;
the account auditing unit comprises an account extracting module, an account auditing module and a source tracing module; the account extracting module is used for extracting the account in the account application unit and sending the extracted account to the account auditing module; the source tracing module is used for building an Ethernet workshop platform between the account extraction module and the account auditing module and providing a transmission channel of account information;
the two-dimensional code generating unit comprises a characteristic information uploading module and a two-dimensional code manufacturing module; the characteristic information uploading module is used for uploading characteristic information of the seeds; the two-dimension code manufacturing module is used for receiving the seed characteristic information uploaded by the characteristic information uploading module and manufacturing a two-dimension code bound with the seed characteristic information;
the storage unit comprises a file storage module and a storage query module; the file storage module stores the characteristic file of the seed by using a distributed network; the storage query module is used for querying the characteristic files of the seeds in the file storage module.
As a further improvement of the technical scheme, an Etherhouse platform in the source tracing module forms a consensus mechanism of seed source tracing by using an intelligent contract.
As a further improvement of the technical solution, the consensus mechanism adopts a workload proving mechanism, which has the advantage of complete decentralization and comprises the following proving steps:
s1.1, calculating a random hash value by a traceability node of seed quality;
s1.2, solving the accounting right by using the hash value, and obtaining a correct numerical solution to generate the block capacity.
As a further improvement of the technical solution, the hash value construction method adopts a digital analysis method, and includes the following steps:
s2.1, extracting keywords of which the number of keyword bits is greater than that of address bits in the seed characteristic information;
s2.2, analyzing the distribution of each bit of the extracted keywords;
s2.3, selecting any several bits with uniform distribution as the hash address.
As a further improvement of the technical solution, the open addressing method is adopted for solving the accounting right of the hash value in S1.2, and the algorithm steps are as follows:
s3.1, searching a hollow address of the hash address by using a probing method;
and S3.2, after finding the empty address, inserting data elements of the seed quality into the address to solve the problem of competing for the accounting right.
As a further improvement of the technical solution, the probing method adopts a linear probing method, and an expression formula thereof is as follows:
Hi＝(h(k)+di)modM(1≤i≤M)；
wherein h (k) is a hash function; hiHash addresses for seed quality traceability; m is the length of the hash address; diIs a sequence of increments.
As a further improvement of the technical scheme, the distributed network adopts an IPFS system which comprises peer nodes, a network for managing connection with the peer nodes, positioning peer nodes and storing seed feature file routes, a Merkle-DAG, a GIT and a Web.
As a further improvement of the present technical solution, the peer node uses the nodeID as the identity.
As a further improvement of the present technical solution, the IPFS system data exchange utilizes the BitSwap protocol of BitTorrent to send and receive distributed data blocks.
Unlike BitTorrent, BitSwap is not limited to blocks in one torrent, and BitSwap nodes can acquire required blocks from the whole IPFS network regardless of files to which the blocks belong, which greatly improves download efficiency, and meanwhile, some incentive nodes in the network can actively cache and propagate rare file segments.
The DHT and BitSwap techniques allow IPFS to form a P2P system for fast and powerful storage and distribution blocks, on top of which IPFS builds a directed acyclic graph, Merkle-DAG, using target hash hashes embedded in data sources to build links between objects.
As a further improvement of the technical scheme, the Merkle-DAG provides the IPFS system with the characteristics of content addressing, tamper resistance and redundancy elimination.
Compared with the prior art, the invention has the beneficial effects that: in the block chain-based seed quality traceability system, a private chain of the seed quality traceability system is built through an Ether house platform, providing a decentralized Ethernet virtual machine to process the uplink, storage and query of seed information through its private cryptocurrency Ethernet currency, therefore, the serious problem of centralization of the seed database is solved, the complete operation of the whole seed traceability network cannot be influenced when one node is attacked, the intelligent contract is safer relative to the central database, the seed traceability system based on the block chain adopts the standard and the protocol based on the agreement, the connection between any two user nodes is established without verifying and trusting the identity of each other, the intelligent contract is used for completing the transaction after the transaction is triggered, all nodes in the whole system can freely and safely exchange data in a distrusted environment, and the trust of people is changed into the trust of machines.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is a schematic structural view of embodiment 1;
FIG. 3 is a structural exploded view of embodiment 1;
FIG. 4 is a schematic structural view of embodiment 1;
fig. 5 is a schematic structural view of embodiment 1.
The various reference numbers in the figures mean:
100. a seed quality traceability platform;
110. an account application unit;
120. an account auditing unit; 121. an account extraction module; 122. an account auditing module; 123. a source tracing module;
130. a two-dimensional code generation unit; 131. the sign information uploading module; 132. a two-dimensional code making module;
140. a storage unit; 141. a file storage module; 142. and storing the query module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention provides a seed quality traceability system based on a block chain, please refer to fig. 1-5, which comprises a seed quality traceability platform 100, wherein the seed quality traceability platform 100 comprises an account application unit 110, an account auditing unit 120, a two-dimension code generating unit 130 and a storage unit 140; the account application unit 110 is configured to send account application information to the seed quality traceability platform 100, and generate an account, where a user end of the application includes a farmer, a processing enterprise, a distributor, and a monitoring department; the account auditing unit 120 is configured to audit the account generated by the account applying unit 110; the two-dimension code generating unit 130 is configured to upload seed characteristic information and generate a two-dimension code; the storage unit 140 is configured to store the seed feature information uploaded by the two-dimensional code generation unit 130;
the account auditing unit 120 comprises an account extracting module 121, an account auditing module 122 and a tracing module 123; the account extracting module 121 is configured to extract an account in the account applying unit 110, and send the extracted account to the account auditing module 122; the source tracing module 123 is used for building an ether house platform between the account extraction module 121 and the account auditing module 122, and providing a transmission channel of account information;
the two-dimensional code generating unit 130 includes a feature information uploading module 131 and a two-dimensional code making module 132; the characteristic information uploading module 131 is configured to upload characteristic information of the seeds; the two-dimensional code making module 132 is configured to receive the seed characteristic information uploaded by the characteristic information uploading module 131, make a two-dimensional code bound with the seed characteristic information, upload the seed information by a farmer, a processing enterprise, and a distributor, generate a website two-dimensional code, bind with a single seed product, and enable a supervision department and a purchaser to enter a webpage of an inquired seed product by scanning the website two-dimensional code to browse information;
the storage unit 140 includes a file storage module 141 and a storage query module 142; the file storage module 141 stores the feature file of the seed by using a distributed network; the storage query module 142 is configured to query the feature files of the seeds in the file storage module 141, the storage query module 142 constructs a web front-end website by using HTML, uploads a user platform for seed production, processing and transportation, uploads the pictures and the large text information to the IPFS system, obtains a hash return value, provides a platform for query and display for a seed product, and collects the feature information of the seeds into a seed library by using the file storage module 141, so as to obtain the feature information of the seeds at a later stage.
In this embodiment, the ethereal platform in the tracing module 123 forms a consensus mechanism of seed tracing by using an intelligent contract, and in addition, the ethereal platform builds a private chain of a seed quality tracing system, and provides a decentralized ethernet virtual machine to process chaining, storage and query of seed information through a special encryption currency ethernet coin, thereby solving the serious problem of centralization of a seed database, so that one node is attacked and the complete operation of the whole seed tracing network is not affected, and is safer compared with a central database, the seed tracing system of the intelligent contract based on the block chain adopts a specification and a protocol based on negotiation consistency, connection between any two user nodes does not need to be verified and trusted with each other, and after transaction is triggered, the intelligent contract completes, so that all nodes in the whole system can freely and safely exchange data in a distrusted environment, the trust for a person is changed to the trust for a machine.
Furthermore, the consensus mechanism adopts a workload proving mechanism, and the workload proving mechanism has the advantage of complete decentralization, and the proving steps are as follows:
s1.1, calculating a random hash value by a traceability node of seed quality;
s1.2, solving the accounting right by using the hash value, and obtaining a correct numerical solution to generate the block capacity.
Specifically, the hash value construction method adopts a digital analysis method, and comprises the following steps:
s2.1, extracting keywords of which the number of keyword bits is greater than that of address bits in the seed characteristic information;
s2.2, analyzing the distribution of each bit of the extracted keywords;
s2.3, selecting any several bits with uniform distribution as the hash address.
In addition, the hash value in S1.2 is used for solving the accounting right by adopting an open addressing method, and the algorithm steps are as follows:
s3.1, searching a hollow address of the hash address by using a probing method;
and S3.2, after finding the empty address, inserting data elements of the seed quality into the address to solve the problem of competing for the accounting right.
In addition, the probing method adopts a linear probing method, and the expression formula is as follows:
Hi＝(h(k)+di)modM(1≤i≤M)；
wherein h (k) is a hash function; hiHash addresses for seed quality traceability; m is the length of the hash address; diFor the increment sequence, increment sequence 1 2, …, (M-1), once a hash conflict occurs competing for accounting rights, the seed quality data element is inserted into the next empty address deposit, and the hash conflict is resolved.
Further, the distributed network employs an IPFS system that includes peers, a network for managing connections with the peers, locating peers and storing seed profile routes, Merkle-DAG, GIT, and Web.
Specifically, the peer node uses the nodeID as the identity identification, the peer node stores a public key and an encrypted private key, and uses the distributed loose hash table DSHT of Kademlia and Coral to find the address information of the matched node and the specific node, the small value is directly stored on the DHT to generate a nodeID, for the larger value, the IPFS is broken into small blocks, and the DHT stores the node nodeIDs having the blocks.
In addition, IPFS system data exchange utilizes the bittswap protocol of BitTorrent to send and receive distributed data blocks.
Unlike BitTorrent, BitSwap is not limited to blocks in one torrent, and BitSwap nodes can acquire required blocks from the whole IPFS network regardless of files to which the blocks belong, which greatly improves download efficiency, and meanwhile, some incentive nodes in the network can actively cache and propagate rare file segments.
The DHT and BitSwap techniques allow IPFS to form a P2P system for fast and powerful storage and distribution blocks, on top of which IPFS builds a directed acyclic graph, Merkle-DAG, using target hash hashes embedded in data sources to build links between objects.
In addition, the Merkle-DAG provides content addressing, tamper resistance and redundancy removal characteristics for the IPFS system, wherein the Merkle-DAG carries out independent identification on all contents through multi-hash check so as to be convenient for searching, and also carries out verification on all contents, if the data is tampered or damaged, the IPFS system can detect the data, the contents are completely the same objects, and the IPFS system only stores the data once so as to prevent redundancy.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A seed quality traceability system based on a block chain comprises a seed quality traceability platform (100), and is characterized in that the seed quality traceability platform (100) comprises an account application unit (110), an account auditing unit (120), a two-dimension code generating unit (130) and a storage unit (140); the account application unit (110) is used for sending account application information to the seed quality traceability platform (100) and generating an account; the account auditing unit (120) is used for auditing the account generated by the account application unit (110); the two-dimension code generating unit (130) is used for uploading seed characteristic information and generating a two-dimension code; the storage unit (140) is used for storing the seed characteristic information uploaded by the two-dimensional code generation unit (130);
the account auditing unit (120) comprises an account extracting module (121), an account auditing module (122) and a source tracing module (123); the account extracting module (121) is used for extracting the account in the account applying unit (110) and sending the extracted account to the account auditing module (122); the source tracing module (123) is used for building an Ethernet workshop platform between the account extraction module (121) and the account auditing module (122) and providing a transmission channel of account information;
the two-dimensional code generating unit (130) comprises a characteristic information uploading module (131) and a two-dimensional code manufacturing module (132); the characteristic information uploading module (131) is used for uploading characteristic information of seeds; the two-dimension code manufacturing module (132) is used for receiving the seed characteristic information uploaded by the characteristic information uploading module (131) and manufacturing a two-dimension code bound with the seed characteristic information;
the storage unit (140) comprises a file storage module (141) and a storage query module (142); the file storage module (141) stores the feature file of the seed by using a distributed network; the storage query module (142) is used for querying the feature file of the seed in the file storage module (141).
2. The blockchain-based seed quality traceability system of claim 1, wherein: and an Ethern platform in the source tracing module (123) forms a consensus mechanism of seed source tracing by using an intelligent contract.
3. The blockchain-based seed quality traceability system of claim 2, wherein: the consensus mechanism adopts a workload proving mechanism, and the proving steps are as follows:
s1.1, calculating a random hash value by a traceability node of seed quality;
s1.2, solving the accounting right by using the hash value, and obtaining a correct numerical solution to generate the block capacity.
4. The blockchain-based seed quality traceability system of claim 3, wherein: the hash value construction method adopts a digital analysis method and comprises the following steps:
s2.1, extracting keywords of which the number of keyword bits is greater than that of address bits in the seed characteristic information;
s2.2, analyzing the distribution of each bit of the extracted keywords;
s2.3, selecting any several bits with uniform distribution as the hash address.
5. The blockchain-based seed quality traceability system of claim 4, wherein: the hash value dispute accounting right in the S1.2 adopts an open addressing method, and the algorithm steps are as follows:
s3.1, searching a hollow address of the hash address by using a probing method;
and S3.2, after finding the empty address, inserting data elements of the seed quality into the address to solve the problem of competing for the accounting right.
6. The blockchain-based seed quality traceability system of claim 5, wherein: the probing method adopts a linear probing method, and the expression formula is as follows:
Hi＝(h(k)+di)modM (1≤i≤M)；
wherein h (k) is a hash function; hiHash addresses for seed quality traceability; m is the length of the hash address; diIs a sequence of increments.
7. The blockchain-based seed quality traceability system of claim 1, wherein: the distributed network employs an IPFS system that includes peer nodes, a network for managing connections with the peer nodes, locating peer nodes and storing seed profile routes, Merkle-DAG, GIT, and Web.
8. The blockchain-based seed quality traceability system of claim 7, wherein: the peer node uses the nodeID as identification.
9. The blockchain-based seed quality traceability system of claim 8, wherein: the IPFS system data exchange utilizes the bittswap protocol of BitTorrent to send and receive distributed data blocks.
10. The blockchain-based seed quality traceability system of claim 9, wherein: the Merkle-DAG provides content addressing, tamper resistance, and de-redundancy features for the IPFS system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110164039.7A CN112907261A (en) | 2021-02-05 | 2021-02-05 | Seed quality traceability system based on block chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110164039.7A CN112907261A (en) | 2021-02-05 | 2021-02-05 | Seed quality traceability system based on block chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112907261A true CN112907261A (en) | 2021-06-04 |
Family
ID=76123286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110164039.7A Pending CN112907261A (en) | 2021-02-05 | 2021-02-05 | Seed quality traceability system based on block chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112907261A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117155977A (en) * | 2023-10-27 | 2023-12-01 | 中电科大数据研究院有限公司 | Block chain-based data transaction right distribution method and device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109191003A (en) * | 2018-09-25 | 2019-01-11 | 仲恺农业工程学院 | Fruit and vegetable agricultural product quality safety traceability system based on block chain |
| CN109377244A (en) * | 2018-10-24 | 2019-02-22 | 武汉珞樱联创信息科技有限公司 | A kind of quick traceability system of food and method based on multichain interconnection block chain network |
| CN110163628A (en) * | 2019-04-04 | 2019-08-23 | 上海能链众合科技有限公司 | A kind of agricultural product traceability system based on block chain |
| CN110175855A (en) * | 2019-05-06 | 2019-08-27 | 江苏链路区块链技术有限公司 | A kind of two-dimension code anti-counterfeit based on block chain is traced to the source implementation method |
| US20200043001A1 (en) * | 2018-08-01 | 2020-02-06 | Smart Brand Limited | Pet Food Traceability System and Method Therefor |
| CN111427960A (en) * | 2020-04-08 | 2020-07-17 | 成都波霎科技有限公司 | Commodity traceability system based on block chain |
-
2021
- 2021-02-05 CN CN202110164039.7A patent/CN112907261A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200043001A1 (en) * | 2018-08-01 | 2020-02-06 | Smart Brand Limited | Pet Food Traceability System and Method Therefor |
| CN109191003A (en) * | 2018-09-25 | 2019-01-11 | 仲恺农业工程学院 | Fruit and vegetable agricultural product quality safety traceability system based on block chain |
| CN109377244A (en) * | 2018-10-24 | 2019-02-22 | 武汉珞樱联创信息科技有限公司 | A kind of quick traceability system of food and method based on multichain interconnection block chain network |
| CN110163628A (en) * | 2019-04-04 | 2019-08-23 | 上海能链众合科技有限公司 | A kind of agricultural product traceability system based on block chain |
| CN110175855A (en) * | 2019-05-06 | 2019-08-27 | 江苏链路区块链技术有限公司 | A kind of two-dimension code anti-counterfeit based on block chain is traced to the source implementation method |
| CN111427960A (en) * | 2020-04-08 | 2020-07-17 | 成都波霎科技有限公司 | Commodity traceability system based on block chain |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117155977A (en) * | 2023-10-27 | 2023-12-01 | 中电科大数据研究院有限公司 | Block chain-based data transaction right distribution method and device |
| CN117155977B (en) * | 2023-10-27 | 2024-01-26 | 中电科大数据研究院有限公司 | Block chain-based data transaction right distribution method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI810409B (en) | Systems and methods for efficient and secure processing, accessing and transmission of data via a blockchain network | |
| Benet | Ipfs-content addressed, versioned, p2p file system | |
| Benet | IPFS-content addressed, versioned, P2P file system (DRAFT 3) | |
| Wilkinson et al. | Metadisk a blockchain-based decentralized file storage application | |
| CN110647503A (en) | Distributed storage method and device | |
| US20200387859A1 (en) | Methods, Application Server, Block Chain Node and Media For Logistics Tracking and Source Tracing | |
| CN110096551A (en) | Credit data storage method, device, equipment and medium based on block chain | |
| CN102223411A (en) | Method and system for downloading file by adopting P2P (Peer-to-Peer) technology and client side | |
| CN111090385A (en) | Data management method and device based on block chain | |
| CN112907261A (en) | Seed quality traceability system based on block chain | |
| CN112965980A (en) | Information storage method and device | |
| CN110245965B (en) | Safety method for ice cream stick data processing system and ice cream stick with two-dimensional code | |
| CN115375329A (en) | Digital collection transaction traceability anti-counterfeiting management method and system | |
| CN117150564B (en) | Medicine logistics data tracing method based on blockchain | |
| Aspegren | b_verify: Scalable non-equivocation for verifiable management of data | |
| CN116684425B (en) | Block chain data processing method, system, device and computer equipment | |
| Rashedun-Naby | A Peer-to-Peer Distributed Secured Sustainable Large Scale Identity Document Verification System With BitTorrent Network And Hash Function | |
| Cui et al. | Blockchain-based data sharing algorithm in distributed network data storage | |
| Bagade et al. | Farm Environmental Data Analyzer using a Decentralised system and R | |
| Gulhane et al. | DDAS using Kerberos with Adaptive Huffman Coding to enhance data retrieval speed and security | |
| CN113569164A (en) | Information hyperlink traceability system and method based on block chain technology | |
| CN117725041A (en) | Data storage method, device, equipment and computer readable storage medium | |
| CN117194482A (en) | Data query method, device, computer equipment and storage medium | |
| Schifanella | A Legal and Efficient Peer-to-Peer Market Place: Exploiting Fairness and Social Relationships | |
| Wilkinson et al. | Contributor: Tome Boshevski (tome@ storj. io) |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210604 |
|
| RJ01 | Rejection of invention patent application after publication |