CN109829673A - A kind of novel logistics operation solution based on block chain - Google Patents

A kind of novel logistics operation solution based on block chain Download PDF

Info

Publication number
CN109829673A
CN109829673A CN201910028102.7A CN201910028102A CN109829673A CN 109829673 A CN109829673 A CN 109829673A CN 201910028102 A CN201910028102 A CN 201910028102A CN 109829673 A CN109829673 A CN 109829673A
Authority
CN
China
Prior art keywords
block chain
node
block
logistics
data
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
Application number
CN201910028102.7A
Other languages
Chinese (zh)
Inventor
孙建东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Huazhi Chain Technology Co Ltd
Original Assignee
Qingdao Huazhi Chain Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qingdao Huazhi Chain Technology Co Ltd filed Critical Qingdao Huazhi Chain Technology Co Ltd
Priority to CN201910028102.7A priority Critical patent/CN109829673A/en
Publication of CN109829673A publication Critical patent/CN109829673A/en
Pending legal-status Critical Current

Links

Landscapes

  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention discloses a kind of, and solution is runed in the novel logistics based on block chain, specifically includes the following steps: the block chain of S1, material flow tracking is handled: handling first with the intelligent contract and distributed account book of block chain logistics contract and transaction, intelligent contract is the code write on block chain, clause in some time trigger intelligence contract, code will replace manual examination and verification and execution automatically, and the present invention relates to logistics and transportation technical fields.Solution is runed in the novel logistics based on block chain, it can be achieved to need not rely on third party, after both sides draw up a contract, intelligent contract can be since initialization, encrypted code executes automatically, it is not only able to realize logistics visualized management, gets through data silo, moreover it is possible to effectively go to center, improve the reaction efficiency of supply chain, in the state of the point-to-point transaction of distributed account book, cooperation between enterprise and enterprise, directly by disclosed data on block chain it is determined that the strength of enterprise.

Description

A kind of novel logistics operation solution based on block chain
Technical field
The present invention relates to logistics and transportation technical field, solution party is runed in specially a kind of novel logistics based on block chain Case.
Background technique
Logistics transportation technology mainly includes transportation facility and hauling operation two major classes, the former belongs to transport hard technology, the latter Belong to transport soft technique, transport hard technology mainly includes transport infrastructure, such as highway, railway, sea-freight and transport vehicle are basic Facility it is perfect, transport soft technique then includes management method, logistlcs technology and logistics personnel's attainment etc., in logistics transportation field, With the development of economy, the competition in commodity circulation market is also more and more fierce, on the one hand, client is to cargo in delivery process State has new demand, on the other hand, relevant loglstics enterprise be also required to in delivery process cargo state carry out it is efficient Real-time monitoring, but be merely able to accomplish to realize such as vehicle, container etc. in most of applications of traffic and transport field at present The location tracking of globality and management do not monitor each cargo, therefore the mistake of certain part cargo is easily caused to dispense, Falsifying or loss, therefore, there is an urgent need to develop a kind of material flow tracking methods based on block chain.
Block chain is introduced logistics, enterprise is intended to distributed account book and intelligent contract characteristic using block chain, builds Faith mechanism improves settlement of transactions efficiency, reduces a series of problems, such as operating cost, builds a visual supply chain link Border is drop sheet, upgrading, synergy, and supply chain often relates to a large amount of transaction nodes, needs to hold consultation between enterprise, including Inspection of contract clause, audit approval, then carry out subsequent and etc., time, resource are expended, or even may also relate to third party, closed It is very complicated with implementation procedure, and contract is more complicated, and need to control is more, and there are the risk of dispute is bigger.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of, and solution is runed in the novel logistics based on block chain, Solve existing logistics transportation and do not monitor each cargo, be easy to cause certain part cargo mistake dispatching, falsifying or It loses, expends time and resource, the very complicated problem of contract execution process.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of novel object based on block chain Stream operation solution, specifically includes the following steps:
The block chain processing of S1, material flow tracking: logistics is closed first with the intelligent contract and distributed account book of block chain About being handled with transaction, intelligent contract is the code write on block chain, the clause in some time trigger intelligence contract, Code will replace manual examination and verification and execution automatically, then by distributed account book to sharing, replicate and same between network members The database of step to facilitate point-to-point transaction, while setting a series of intelligence with software code using block chain and closing About, and in intelligent contract the decision condition of the obligation and contract formulation that should fulfil to each party carries out clearly stipulate that making block Catenary system can execute condition to contract and judge automatically, if meeting all decision conditions, block catenary system can be certainly It is dynamic to enforce agreement terms;
S2, building logistics tracing Area block chain: guaranteeing the trackability of block chain by node correlation logic, can be in not same district Different timestamps is set on block node, being distinguished to different blocks node, then allows between different blocks node and leads to It crosses block head node and carries out information connection, promote all blocks to be capable of forming an overall structure, block chain can be formed;
S3, building logistics tracing Area block chain network;In material flow tracking block catenary system, the S2 block chain constructed is formed Multiple network nodes, the total data information of each individually in store block chain of node, can allow data information to possess largely Backup, can be effectively prevented from data information because damage, lose and there is deviation, in block chain network, each node The data information saved is all identical, and participates in also forming mutual supervision and management between the node that data store;
S4, the encryption system for constructing logistics tracing Area block chain: material flow tracking block is repeatedly kicked into using rivest, shamir, adelman Row encryption, if using public key encryption data information, then data information decryption need using therewith to it is privately owned close Key, if then the decryption of data information can only just rely on corresponding public-key cryptography using private key encryption data information, User can obtain two kinds of exclusive keys when using block chain simultaneously, and user utilizes public key encryption data later When information, data information can only be browsed by user oneself, if but user's private key encryption data information, then on network its His user can use public-key cryptography and data be decrypted and browsed, while user utilizes private key encryption data information simultaneously Digital signature is set in data trailer, then the other users on network can use public-key cryptography ciphertext data information;
S5, the application block chain database for establishing material flow tracking: user posts part node and uploads package information to main section first Point, the package information that host node posts the upload of part node for user generate digital finger-print, and block is written together with corresponding timestamp In chain, and the block chain is broadcasted from node all, then each logistics node according to package physical space transmitting path Successively according to the digital finger-print and the nodal information generation package status letter of itself and corresponding next logistics node It ceases and block chain is written by host node, corresponding user's addressee node signs for the package and forms package receipt information upload later To host node to be written in block chain;
S6, host node generate digital finger-print: logistics by the package information that Hash calculation posts the upload of part node for user Host node in information network system and it is each from node be equipped with it is a pair of include public key and private key code key, any two node Between when carrying out data transmission, data sender is using the private key of itself to issuing data receiver after data signature to be transmitted Side, the signature for the data that data receiver is received using the public key verifications of data sender.
Preferably, block refers to the base unit that the set of data and block chain are formed in the step S2, from structure On from the point of view of, block chain is exactly that systemic connection is carried out to different block, and different blocks node is made to generate logistics information association simultaneously Form a kind of data structure.
Preferably, block chain network is a point to point network in the step S3, in block chain network, both without in The hardware of the heart and management organization, also without central server and router.
Preferably, it is rivest, shamir, adelman, asymmetric encryption that block chain, which encrypts used algorithm, in the step S4 Algorithm mainly includes two kinds of keys of public-key cryptography and private cipher key, and two kinds of keys belong to a pair of secret keys.
Preferably, all nodes in the step S3 in block chain network can both be used as client, can also be treated as Server end uses, and in block chain network, the backup quantity of data information is by the number of nodes for participating in data transmission, storage Influence, that is, the number of nodes participated in is more, and the backup quantity of data information is more.
Preferably, block mainly includes two composition parts of block head node and block node body in the step S2, Block head node refers to the block part being attached with front block, and block node body is to record network in real time more New data information.
(3) beneficial effect
The present invention provides a kind of, and solution is runed in the novel logistics based on block chain.Have compared with prior art with It is lower the utility model has the advantages that
(1), solution should be runed based on the novel logistics of block chain, by melting in being logistics information network system Enter the maintenance management mode of each node of block chain, node includes posting part node, export node, transit node and sending node with charge free, receive Goods node, user posting part node complete express mail information upload, system for user post part node upload express mail information pass through Encryption Algorithm processing generates digital finger-print and timestamp, inputs in block chain together, the block is then broadcasted in all nodes Chain, each logistics node according to package physical space transmit, transmitting path successively the digital finger-print according to it and by The digital finger-print that express mail status information is generated in its corresponding next logistics node inputs block chain on node together, in phase The user's addressee node answered signs for the express mail and forms the receipt information of express mail, is uploaded to host node to be written in block chain, can It is implemented without and relies on third party, after both sides draw up a contract, intelligent contract can be since initialization, and encrypted code is held automatically Row, the superiority of intelligent contract technology are mainly reflected in in the verifying of delivery, logistics transportation scene are especially embodied in, in logistics Layer by layer in the state of outsourcing, enterprise is difficult to supervise logistics transportation, dispatching quality etc., but under intelligent contract, both sides couple It all makes a stipulation in transport timeliness, dispatching quality, both sides can not change after agreement, the item as long as logistics company is met one's engagements Part will be delivered automatically.
(2), solution should be runed based on the novel logistics of block chain, and realized logistics visualized management, distributed account book It is exactly all enterprises in supply chain, a shared, complete data can be accessed, each enterprise can obtains from block chain To a complete supply chain data information, each node is based on corresponding common recognition mechanism, safeguards environment on entire chain jointly, Even if node failure therein or data change, other nodes equally can be worked normally and be verified, it is not only able to It realizes logistics visualized management, gets through data silo, moreover it is possible to effectively go to center, improve the reaction efficiency of supply chain.
(3), solution should be runed based on the novel logistics of block chain, faith mechanism is built by distributed account book, it is open The data of change can intuitively react the information such as enterprise qualification, credit line, in the state of the point-to-point transaction of distributed account book, enterprise Cooperation between industry and enterprise is not needing to carry out by exploratory cooperation or third party intermediary endorsement guaranteed Ali, directly By disclosed data on block chain it is determined that the strength of enterprise.
Detailed description of the invention
Fig. 1 is logistics traceability system paralell composition of the present invention;
Fig. 2 is the schematic diagram of logistics traceability system of the present invention;
Fig. 3 is the data process diagram of logistics traceability system of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the embodiment of the present invention provides a kind of technical solution: a kind of novel logistics operation based on block chain Solution, specifically includes the following steps:
The block chain processing of S1, material flow tracking: logistics is closed first with the intelligent contract and distributed account book of block chain About being handled with transaction, intelligent contract is the code write on block chain, the clause in some time trigger intelligence contract, Code will replace manual examination and verification and execution automatically, then by distributed account book to sharing, replicate and same between network members The database of step to facilitate point-to-point transaction, while setting a series of intelligence with software code using block chain and closing About, and in intelligent contract the decision condition of the obligation and contract formulation that should fulfil to each party carries out clearly stipulate that making block Catenary system can execute condition to contract and judge automatically, if meeting all decision conditions, block catenary system can be certainly It is dynamic to enforce agreement terms;
S2, building logistics tracing Area block chain: guaranteeing the trackability of block chain by node correlation logic, can be in not same district Different timestamps is set on block node, being distinguished to different blocks node, then allows between different blocks node and leads to It crosses block head node and carries out information connection, promote all blocks to be capable of forming an overall structure, block chain can be formed;
S3, building logistics tracing Area block chain network;In material flow tracking block catenary system, the S2 block chain constructed is formed Multiple network nodes, the total data information of each individually in store block chain of node, can allow data information to possess largely Backup, can be effectively prevented from data information because damage, lose and there is deviation, in block chain network, each node The data information saved is all identical, and participates in also forming mutual supervision and management between the node that data store, this is not only It can be effectively reduced a possibility that data information is tampered, network stabilization is also extremely advantageous to improving;
S4, the encryption system for constructing logistics tracing Area block chain: material flow tracking block is repeatedly kicked into using rivest, shamir, adelman Row encryption, if using public key encryption data information, then data information decryption need using therewith to it is privately owned close Key, if then the decryption of data information can only just rely on corresponding public-key cryptography using private key encryption data information, User can obtain two kinds of exclusive keys, because all users of block chain network are to data when using block chain simultaneously The encryption or decryption of information are all using identical algorithm, so the exclusive public-key cryptography of general user can all be published at network On, and private cipher key can only then be controlled by user oneself, user will strictly take care of private cipher key, avoid because of private cipher key Reveal and leaking for data information occur, later user utilize public key encryption data information when, data information can only by with Family oneself browsing, if but user's private key encryption data information, then other users can use public-key cryptography on network Data are decrypted and are browsed, while user sets number label using private key encryption data information and in data trailer Name, then the other users on network can use public-key cryptography ciphertext data information, so as to the authenticity and number to data source It is believed that the accuracy of breath is verified;
S5, the application block chain database for establishing material flow tracking: user posts part node and uploads package information to main section first Point, the package information that host node posts the upload of part node for user generate digital finger-print, and block is written together with corresponding timestamp In chain, and the block chain is broadcasted from node all, then each logistics node according to package physical space transmitting path Successively according to the digital finger-print and the nodal information generation package status letter of itself and corresponding next logistics node It ceases and block chain is written by host node, corresponding user's addressee node signs for the package and forms package receipt information upload later To host node to be written in block chain, the block catenary system established based on logistics express delivery and block chain technology can solve object The package transmission problem of stream dispatching, package clearing;
S6, host node generate digital finger-print: logistics by the package information that Hash calculation posts the upload of part node for user Host node in information network system and it is each from node be equipped with it is a pair of include public key and private key code key, any two node Between when carrying out data transmission, data sender is using the private key of itself to issuing data receiver after data signature to be transmitted Side, the signature for the data that data receiver is received using the public key verifications of data sender.
In the present invention, block refers to the base unit that the set of data and block chain are formed in step S2, from structure From the point of view of, block chain is exactly that systemic connection is carried out to different blocks, and different blocks node is made to generate logistics information association and shape At a kind of data structure.
In the present invention, block chain network is a point to point network in step S3, in block chain network, both without center The hardware of change and management organization, also without central server and router.
It is rivest, shamir, adelman that block chain, which encrypts used algorithm, in the present invention, in step S4, and asymmetric encryption is calculated Method mainly includes two kinds of keys of public-key cryptography and private cipher key, and two kinds of keys belong to a pair of secret keys.
In the present invention, all nodes in step S3 in block chain network can both be used as client, can also be as clothes Business device end uses, and in block chain network, the backup quantity of data information is by the number of nodes for participating in data transmission, storage It influences, that is, the number of nodes participated in is more, and the backup quantity of data information is more.
In the present invention, block mainly includes two composition parts of block head node and block node body, area in step S2 Build node refers to the block part being attached with front block, and block node body is to record network real-time update Data information, the effect of block head node be guarantee block chain integrality;.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (6)

1. solution is runed in a kind of novel logistics based on block chain, it is characterised in that: specifically includes the following steps:
The block chain processing of S1, material flow tracking: first with the intelligent contract and distributed account book of block chain to logistics contract and Transaction is handled, and intelligent contract is the code write on block chain, the clause in some time trigger intelligence contract, code Will replace manual examination and verification and execution automatically, then by distributed account book to shared between network members, replicate with it is synchronous Database to facilitate point-to-point transaction, while setting a series of intelligent contracts with software code using block chain, and The decision condition of the obligation and contract formulation that should fulfil in intelligent contract to each party carries out clearly stipulate that making block catenary system Condition can be executed to contract to judge automatically, if meeting all decision conditions, block catenary system can be with automatic forced Execute agreement terms;
S2, building logistics tracing Area block chain: guaranteeing the trackability of block chain by node correlation logic, can be in different blocks section Different timestamps is set on point, being distinguished to different blocks node, then allows between different blocks node and passes through area Build node carries out information connection, promotes all blocks to be capable of forming an overall structure, can form block chain;
S3, building logistics tracing Area block chain network;In material flow tracking block catenary system, the S2 block chain constructed is formed multiple Network node, the total data information of each individually in store block chain of node can allow data information to possess a large amount of standby Part, data information can be effectively prevented from because damaging, losing and deviation occur, in block chain network, each node is protected The data information deposited is all identical, and participates in also forming mutual supervision and management between the node that data store;
S4, the encryption system for constructing logistics tracing Area block chain: row is repeatedly kicked into material flow tracking block using rivest, shamir, adelman and is added It is close, if using public key encryption data information, then data information decryption need using therewith to private cipher key, if It is using private key encryption data information, then the decryption of data information can only just rely on corresponding public-key cryptography, user When using block chain, two kinds of exclusive keys can be obtained simultaneously, and user utilizes public key encryption data information later When, data information can only be browsed by user oneself, if but user's private key encryption data information, then other are used on network Family can use public-key cryptography and data be decrypted and browsed, while user is using private key encryption data information and in number Digital signature is set according to tail portion, then the other users on network can use public-key cryptography ciphertext data information;
S5, the application block chain database for establishing material flow tracking: user posts part node and uploads package information to host node, master first The package information that node posts the upload of part node for user generates digital finger-print, is written in block chain together with corresponding timestamp, And the block chain is broadcasted from node all, then each logistics node according to package physical space transmitting path successively root According to the nodal information of the digital finger-print and itself and corresponding next logistics node generate package status information and by Host node be written block chain, later corresponding user's addressee node sign for the package and formed package receipt information be uploaded to main section Point is to be written in block chain;
S6, host node generate digital finger-print: logistics information by the package information that Hash calculation posts the upload of part node for user Host node in network system and it is each from node be equipped with it is a pair of include public key and private key code key, between any two node When carrying out data transmission, data sender, to data receiver is issued after data signature to be transmitted, is counted using the private key of itself According to the signature for the data that recipient is received using the public key verifications of data sender.
2. solution is runed in a kind of novel logistics based on block chain according to claim 1, it is characterised in that: described Block refers to the base unit that the set of data and block chain are formed in step S2, and from structure, block chain is exactly pair Different blocks carries out systemic connection, so that different blocks node is generated logistics information and is associated with and forms a kind of data structure.
3. solution is runed in a kind of novel logistics based on block chain according to claim 1, it is characterised in that: described Block chain network is a point to point network in step S3, in block chain network, the both not no hardware and supervisor of centralization Structure, also without central server and router.
4. solution is runed in a kind of novel logistics based on block chain according to claim 1, it is characterised in that: described It is rivest, shamir, adelman that block chain, which encrypts used algorithm, in step S4, and rivest, shamir, adelman mainly includes public-key cryptography With two kinds of keys of private cipher key, and two kinds of keys belong to a pair of secret keys.
5. solution is runed in a kind of novel logistics based on block chain according to claim 1, it is characterised in that: described All nodes in step S3 in block chain network can both be used as client, can also be used as server end, in block In chain network, the backup quantity of data information is influenced by the number of nodes for participating in data transmission, storage, that is, the node participated in Quantity is more, and the backup quantity of data information is more.
6. solution is runed in a kind of novel logistics based on block chain according to claim 1, it is characterised in that: described Block mainly includes two composition parts of block head node and block node body in step S2, and block head node refers to and front The block part that block is attached, and block node body is the data information to record network real-time update.
CN201910028102.7A 2019-01-11 2019-01-11 A kind of novel logistics operation solution based on block chain Pending CN109829673A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910028102.7A CN109829673A (en) 2019-01-11 2019-01-11 A kind of novel logistics operation solution based on block chain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910028102.7A CN109829673A (en) 2019-01-11 2019-01-11 A kind of novel logistics operation solution based on block chain

Publications (1)

Publication Number Publication Date
CN109829673A true CN109829673A (en) 2019-05-31

Family

ID=66860224

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910028102.7A Pending CN109829673A (en) 2019-01-11 2019-01-11 A kind of novel logistics operation solution based on block chain

Country Status (1)

Country Link
CN (1) CN109829673A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110599107A (en) * 2019-09-24 2019-12-20 腾讯科技(深圳)有限公司 Logistics data processing method and device based on block chain
CN110991957A (en) * 2019-11-29 2020-04-10 广州工商学院 Safe, efficient, credible and optimized temperature control supply chain system and method based on block chain
CN112862474A (en) * 2021-02-05 2021-05-28 湖南大学 Supply chain management method, system, equipment and storage medium based on block chain
CN113326274A (en) * 2021-05-27 2021-08-31 安徽理工大学 Data processing method based on block chain technology

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110599107A (en) * 2019-09-24 2019-12-20 腾讯科技(深圳)有限公司 Logistics data processing method and device based on block chain
CN110599107B (en) * 2019-09-24 2024-03-19 腾讯科技(深圳)有限公司 Logistics data processing method and device based on block chain
CN110991957A (en) * 2019-11-29 2020-04-10 广州工商学院 Safe, efficient, credible and optimized temperature control supply chain system and method based on block chain
CN110991957B (en) * 2019-11-29 2023-04-18 广州工商学院 Safe, efficient, credible and optimized temperature control supply chain system and method based on block chain
CN112862474A (en) * 2021-02-05 2021-05-28 湖南大学 Supply chain management method, system, equipment and storage medium based on block chain
CN112862474B (en) * 2021-02-05 2024-04-12 湖南大学 Supply chain management method and system based on block chain, equipment and storage medium
CN113326274A (en) * 2021-05-27 2021-08-31 安徽理工大学 Data processing method based on block chain technology

Similar Documents

Publication Publication Date Title
CN109829673A (en) A kind of novel logistics operation solution based on block chain
CN109829824B (en) Commodity transaction information sharing method based on block chain technology
CN104268758B (en) A kind of Comodity anti-fake system based on invoice and third-party E-commerce platform
CN107426250A (en) A kind of industrial digital information network platform based on block chain
CN109034833A (en) A kind of product back-tracing information management system and method based on block chain
CN109615510A (en) A kind of supply chain finance based on block chain is multistage to increase letter method
CN110852595A (en) Electric power material full life cycle management mechanism based on alliance chain
CN111526200A (en) Data storage access method and system based on block chain and cloud platform
CN112435128B (en) Supply chain tracing system based on multi-level block chain technology
CN109670750A (en) Credible logistics ordering system and method based on block chain technology
CN110414936A (en) A kind of trade order flow system and method based on block chain technology
CN108876419A (en) A kind of industrial products supply chain retroactive method and system based on Internet of Things and block chain
WO2021253820A1 (en) Blockchain technology-based intelligent logistics distribution system
CN111461712A (en) Transaction privacy protection and hierarchical supervision under block chain supply chain financial scenario
CN104809578A (en) Administration supervision and management platform operation method
CN114971625A (en) Microgrid green electricity transaction system based on block chain technology and data storage and settlement method
Sangeetha et al. Blockchain for IoT enabled supply chain management-A systematic review
CN112508587A (en) Tracing code generation method and device based on block chain
Cui et al. Protecting vaccine safety: An improved, blockchain-based, storage-efficient scheme
CN115564597A (en) Insurance business management system and method and electronic equipment
CN116258309A (en) Business object life cycle management and tracing method and device based on block chain
Hou et al. IoT and blockchain-based smart agri-food supply chains
CN109547551B (en) Scientific and technological project dynamic supervision system
CN114549235A (en) Building construction quality tracing method based on block chain
CN109523211A (en) A kind of intelligent classification displaying order production management billboard based on wechat small routine

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