CN108667811A - A kind of method and monitoring device of autonomous structure electronic evidence - Google Patents
A kind of method and monitoring device of autonomous structure electronic evidence Download PDFInfo
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- CN108667811A CN108667811A CN201810342203.7A CN201810342203A CN108667811A CN 108667811 A CN108667811 A CN 108667811A CN 201810342203 A CN201810342203 A CN 201810342203A CN 108667811 A CN108667811 A CN 108667811A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/321—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving a third party or a trusted authority
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3297—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving time stamps, e.g. generation of time stamps
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/30—Network architectures or network communication protocols for network security for supporting lawful interception, monitoring or retaining of communications or communication related information
- H04L63/302—Network architectures or network communication protocols for network security for supporting lawful interception, monitoring or retaining of communications or communication related information gathering intelligence information for situation awareness or reconnaissance
Abstract
The invention discloses a kind of method and monitoring device of autonomous structure electronic evidence, for realizing it is a kind of it is just it is believable cannot be by user distorts and manipulates electronic evidence；The method of the present invention includes that monitoring device is as block chain node；Monitoring device independently acquires the initial data of monitoring area, creates evidence in real time and records and broadcasted in block chain network；Evidence is recorded write-in current block by the accounting nodes of block chain according to common recognition mechanism；It records to form electronic evidence based on area's evidence in the block.Monitoring device includes initialization module, data acquisition module, data package module, network communication module, remote control module, governor circuit module, memory module and power module；The present invention can be from ensuring the complete just credible of initial data and electronic evidence.Therefore, the present invention has a good application prospect in the field that the needs such as bio-farm, food processing factory and pharmaceutical production workshop monitor, and also has important application prospect in " day net " monitoring system.
Description
Technical field
The present invention relates to block chain and Video Supervision Technique more particularly to a kind of methods and prison of autonomous structure electronic evidence
Control equipment.
Background technology
The chain of evidence of high confidence level plays increasingly important role in modern society, especially pacifies concerning society
Entirely, the field of food security and production safety, formed chain of evidence in the production cycle of high confidence level have important society and
Economic value.But traditional using video monitoring system is all the system controlled by center, also lacks effective anti-usurp at present
Change, the technological means of anti-artificial destruction, i.e., video monitoring data can artificially be controlled, distorted, replaced or deleted, as evidence
Public credibility it is weaker, collect evidence especially for the larger evidence of time span（Such as the growth cycle of vegetable garden and farm safety
Chain of evidence, food processing and the safe chain of evidence of pharmaceutical production etc.）, also lack low cost, high confidence level and efficient technology hand
Section.And block chain is a kind of a kind of chained record knot for being sequentially in time combined into data block in such a way that sequence is connected
Structure, and the distributed account book that can not be distorted He can not forge ensured in a manner of cryptography.The embedded intelligence in block chain node
Video monitor, may be implemented the initial data artificially not controlled it is autonomous acquire, real-time encapsulating and real-time of can not distorting
It is broadcast in block chain network, to realize that low cost, high confidence level and efficient original evidence record generate, and based on more
A high believable original evidence that is mutually related record to be formed it is just it is believable cannot by the electronic evidence that user distorts and manipulates,
It has a good application prospect in safety production monitoring and third party's evidence obtaining field.
Invention content
In order to realize it is a kind of cannot be by the electronic evidence that user distorts and manipulates, the invention discloses a kind of autonomous structure electricity
The method of sub- evidence, which is characterized in that monitoring device is used as the node access of block chain after by login network access application
Block chain network；The monitoring device independently acquires the initial data of monitoring area, creates evidence record in real time and in block chain
It is broadcasted in network；The evidence is recorded write-in current block by the accounting nodes of block chain according to common recognition mechanism；Based at least one
A area's evidence in the block records to form electronic evidence.
Further：The method for creating evidence record includes but not limited to generate initial data in real time using hash algorithm
Abstract hash value, and create the index of the initial data（Including but not limited to use filename as index）, and use
The private key of monitoring device is digitally signed the index, current time stamp, initial data abstract hash value, and the rope
Draw, initial data abstract hash value and the digital signature are recorded as an evidence.
Further：Initial data includes but is not limited to, and one or more by certain time interval automatic shooting scheme
As and/or audio and video segment, one or more images for capturing automatically and/or audio and video segment；The feature of initial data is also wrapped
Include temporal information when geographical location information and the acquisition of acquisition initial data.
Further：The method that monitoring device networks includes but not limited to, to block chain network broadcast monitoring device ID, prison
Control the geographical coordinate in region and the public key of title and monitoring device.
Further：The storage mode of initial data and its index includes distributed storage and storage server is deposited beyond the clouds
Storage.
Further：The private key of the monitoring device generates at random, and monitored device hides automatically or encipherment protection, institute
It is invisible to user to state private key.
A kind of monitoring device of autonomous structure electronic evidence, which is characterized in that include but not limited to：Including initializing mould
Block, data acquisition module, data package module, network communication module, remote control module, governor circuit module, memory module
And power module；Wherein,
（7-1）Initialization module is used to be arranged the network mode of monitoring device, the geographical position coordinates for obtaining deployed position, is arranged
The title of monitoring area and submission, which network, to be applied, a node access block chain network is used as after applying by networking；
（7-2）Data acquisition module is used to acquire the initial data of monitoring area, wherein initial data includes pressing the regular hour
The one or more images of interval automatic shooting and/or audio and video segment, the one or more images of automatic candid photograph and/or audio and video piece
Section；The temporal information when feature of initial data further includes geographical location information and the acquisition for acquiring initial data；
（7-3）Data encapsulation reason module is used to the data of acquisition be encapsulated as the evidence that can not be distorted record；Described original
Data are encapsulated as before evidence record, first verify that the acquisition time of initial data sends out the time of acquisition instructions with monitoring device
Whether difference meets requirement of real-time, and whether the location information for verifying initial data is consistent with the actual position information of the node；
（7-4）Network communication module is used to broadcast evidence record in block chain network, for accessing block chain network and/or cloud
Networks for Storage Services；For receiving and forwarding the evidence of other node broadcasts to record；Network communication module includes that wireless network is logical
Believe module and wired network communication module；
（7-5）Remote control module is used for, control instruction for respond remote server synchronous with remote server holding；
（7-6）Governor circuit module carries out collaboration processing for mixing system resource and the other modules of control；
（7-7）Memory module is used to cache the initial data and backup block record of acquisition；
（7-8）Power module is used to provide electric power for monitoring device, including rechargable power supplies and/or solar cell.
Further：Monitoring device further includes having video monitoring work(using method in claim 1- claims 6
The block chain node and client of energy.
Compared with prior art, the present invention has following notable novelty：（1）The signature private key of monitoring device is invisible,
Data are effectively taken precautions against to be tampered；The initial data of monitoring device acquisition is not according to by program automatic shooting, the strick precaution of outside control
The real-time verification of attack is encrypted with encapsulation, Hash that is anti-tamper and replacing, and original evidence record cannot usurp again after being written into block
Change and delete, technically ensures authenticity, credibility and the reliability of original evidence record；（2）Multiple area's evidences in the block
Record forms chain of evidence according to time sequencing, there is the internal association changed over time between each evidence record, can form phase
The live evidence record mutually proved and therefrom noted abnormalities；（3）Unattended scene, sun-generated electric power can be conveniently deployed to
Module is adapted to field studies scene；Therefore, the present invention is in bio-farm, farm, food processing factory and pharmaceutical production vehicle
Between the field of equal needs monitoring have a good application prospect, also have important application prospect in " day net " monitoring system.
Description of the drawings
Fig. 1 is the basic principle schematic of the method for the present invention；
Fig. 2 is the data handling procedure schematic diagram of the method for the present invention；
Fig. 3 is the method schematic diagram using mobile phone as monitoring device of the method for the present invention；
Fig. 4 is the method schematic diagram using intelligent video monitoring device as monitoring device of the method for the present invention；
Fig. 5 is the high-level schematic functional block diagram of monitoring device of the present invention.
Specific implementation mode
To keep technical scheme of the present invention and advantage clearer, as the part of the present invention, below in conjunction with attached drawing and
Specific embodiment, the present invention is described in further detail.
The invention discloses a kind of methods and monitoring device of autonomous structure electronic evidence, and method of the invention and monitoring are set
The standby block chain network system accessed includes publicly-owned chain, alliance's chain and privately owned chain；Monitoring device is passing through block chain network system
Become a node of block chain network after the access authentication of system.In publicly-owned chain, the private key of monitoring device（It is not the money of user
Packet private key）It is randomly hidden in the kernel data of monitoring device；In alliance's chain, the private key of monitoring device can be used secret point
Segmentation method is simultaneously hosted in multiple accounting nodes respectively, in privately owned chain, the private key of monitoring device can by Centroid trustship, with
This prevents the user from distorting the data that monitoring device is acquired.In addition, according to the accessed block catenary system of monitoring device of the present invention
Difference, monitoring device submit evidence record and be written into block common recognition it is also different, for example, need verification node digital signature
Legitimacy, alternatively, to submit certain amount evidence record node reward certain Token etc., the present invention does not limit specifically
The block catenary system and its common recognition mechanism accessed.
In the algorithm and accessed block catenary system of the Digital Signature Algorithm and generation abstract hash value that are used in the present invention
Used respective algorithms are consistent, and Digital Signature Algorithm includes the number of RSA and ECC signature algorithms and following anti-quantum calculation
Signature algorithm, the algorithm for generating abstract hash value includes disclosing the hash algorithm used（Such as MD5, SHA_1, SHA_256）
With the hash algorithm of following anti-quantum calculation.
The basic principle of the method for the present invention is as shown in Figure 1, monitoring device collection site initial data, the initial data
It is encapsulated as evidence record, and the evidence is recorded in block chain network and is broadcasted（Such as the step 101 in Fig. 1）, according to common recognition
Mechanism experimental evidence is recorded and is recorded in current block after by verification（Such as the step 102 in Fig. 1）, using multiple areas
Multiple relevant evidences in the block record the evidence trust chain to be formed about some theme（Such as the step 103 in Fig. 1）.
In order to ensure the authenticity and credibility of evidence record, acquisition, encapsulation and the broadcasting process of initial data must expire
Sufficient requirement of real-time（As shown in Figure 2）, to eliminate the risk that initial data is tampered, specific data handling procedure includes：Hair
Go out the order of gathered data（Such as the step 201 in Fig. 2）, in real time obtain acquired initial data（Such as the step in Fig. 2
202）, in real time initial data is packaged（Such as the step 203 in Fig. 2）, real-time broadcast encapsulation after data record（Such as Fig. 2
In step 204）.Since the initial data acquired in real time is encapsulated and in real time using the private key signature of monitoring device, Yong Huhuo
Hacker cannot obtain the private key of monitoring device, it is thus impossible to distort to above-mentioned data handling procedure, ensure data record with this
Authenticity and credibility.
For using mobile phone as monitoring device the case where, concrete application method is as shown in Figure 3, wherein using mobile phone as
The areas acquisition H move in the investigation of evidence acquisition monitoring device of situation, that is, install block chain cell-phone customer terminal first, register and obtain
Unique ID of block chain network（Such as the step 301 in Fig. 3）, wherein client gathers around that there are one monitoring device public keys and its corresponding
The private key and public key to the sightless private key of user, a pair of of digital wallet；User is bright by the areas client shooting H night building
The photo of lamp situation, and photo is encapsulated as the evidence that can not be distorted accordingly record in real time（Wherein, using the number of user
The private key of wallet is signed, and evidence record increases according to geographical position coordinates to be indexed, or using H areas title into rower
Know, with convenient search and summarizes）, then it is broadcast to block chain network and is written into the block of corresponding period（Such as the step in Fig. 3
Rapid 302）, initial data is using IPFS agreements progress distributed storage and access；Own from being extracted in more days continuous in block chain
Evidence about the areas H bright light situation records（Such as the step 303 in Fig. 3）；Relevance between being recorded according to relevant evidence and phase
Mutually evidence, analysis obtain the high trust data of the areas H occupancy rate in certain time（Such as the step 304 in Fig. 3）.Obviously, of the invention
Embodiment method can be used for investigation and monitoring etc. about other subject contents.
Based on the as shown in Figure 4 as the application process of monitoring device using intelligent video monitoring device of the present invention, wherein band
There is the intelligent video monitoring device of block chain client to be deployed in green house of vegetables, and applied to the vegetables life in monitoring green house of vegetables
State quality；In this embodiment, the high-resolution in 3 set time shooting monitoring areas of intelligent video monitoring device selection daily
Still image captures high resolution still image and 1 short-sighted frequency in 2 monitoring areas automatically（For example, automatic capture monitoring
The charge book of staff in region, the scene etc. sprayed insecticide）, corresponding evidence record is respectively recorded in 6 of the same day
In block（Such as the step 401 in Fig. 4）, corresponding initial data and its index（Using filename as index）Storage is beyond the clouds
Server, for example, 30 days being a cycle, then 180 evidences in this 30 days record the growth week to form the batch vegetables
Evidence trust chain in phase（Such as the step 402 in Fig. 4）, evidence record, which can be used for assessing the growth courses of the batch vegetables, is
No exist abnormal, and whether the relevance between evidence record meet nature growth rhythm, whether the frequency sprayed insecticide meets life
State planting requirement can determine the credit rating of the batch vegetables by comprehensive analysis evidence record（Such as the step in Fig. 4
403）.Obviously, the method for the present invention can be widely applied to bio-farm, farm, food processing factory and pharmaceutical production workshop, news
Scene etc. needs the field of security monitoring, also has important application prospect in " day net " monitoring system, can using the present invention
Effectively to solve the problems, such as the public credibility of the problem of evidence is trusted and digital evidence.
The main functional modules of monitoring device of the present invention are as shown in figure 5, including initialization module 502, on-site data gathering
Module 503, network communication module 505, remote control module 506, governor circuit module 501, is deposited at data encapsulation reason module 504
Store up module 507 and power module 508.
Embodiments described above is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
The various modifications of embodiment and combination can obtain more embodiments in invention, and those of ordinary skill in the art are not making wound
Other obtained under the premise of the property made labour shall fall within the protection scope of the present invention directly using the embodiment of the method for the present invention.
Claims (8)
1. a kind of method of autonomous structure electronic evidence, it is characterised in that：
Monitoring device accesses block chain network after login network access as the node of block chain；The monitoring device acquisition is monitored
The initial data in region creates evidence and records and broadcasted in block chain network in real time；The accounting nodes of block chain are according to common recognition
The evidence is recorded write-in current block by mechanism；It records to form electronic evidence based at least one area evidence in the block.
2. according to the method described in claim 1, it is characterized in that, the method for creating evidence record includes：Using Hash
Algorithm generates the abstract hash value of initial data in real time, creates the index of the initial data, and using the private key of monitoring device
The index, initial data abstract hash value are digitally signed, and the index, initial data abstract hash value and institute
Digital signature is stated to record as an evidence.
3. according to the method described in claim 1, it is characterized in that：The initial data includes automatic by certain time interval
The one or more images and/or audio and video segment of shooting, the one or more images captured automatically and/or audio and video segment；
The temporal information when feature of initial data further includes geographical location information and the acquisition for acquiring initial data.
4. according to the method described in claim 1, it is characterized in that, the method that the monitoring device networks includes, to block chain
The public key of Web broadcast monitoring device ID, the geographical coordinate of monitoring area and title and monitoring device.
5. according to the method described in claim 1, it is characterized in that, the storage mode of the initial data and its index includes point
Cloth and beyond the clouds storage server store.
6. according to the method described in claim 2, it is characterized in that：The private key of the monitoring device generates at random, and is monitored
Equipment hides automatically or encipherment protection, the private key are invisible to user.
7. a kind of monitoring device of autonomous structure electronic evidence, which is characterized in that including：It is acquired including initialization module, data
Module, data package module, network communication module, remote control module, governor circuit module, memory module and power module；
Wherein,
（7-1）Initialization module is used to be arranged the network mode of monitoring device, the geographical position coordinates for obtaining deployed position, is arranged
The title of monitoring area and submission, which network, to be applied, a node access block chain network is used as after applying by networking；
（7-2）Data acquisition module is used to acquire the initial data of monitoring area, wherein initial data includes pressing the regular hour
The one or more images of interval automatic shooting and/or audio and video segment, the one or more images of automatic candid photograph and/or audio and video piece
Section；The temporal information when feature of initial data further includes geographical location information and the acquisition for acquiring initial data；
（7-3）Data encapsulation reason module is used to the data of acquisition be encapsulated as the evidence that can not be distorted record；Described original
Data are encapsulated as before evidence record, first verify that the acquisition time of initial data sends out the time of acquisition instructions with monitoring device
Whether difference meets requirement of real-time, and whether the location information for verifying initial data is consistent with the actual position information of the node；
（7-4）Network communication module is used to broadcast evidence record in block chain network, for accessing block chain network and/or cloud
Networks for Storage Services；For receiving and forwarding the evidence of other node broadcasts to record；Network communication module includes that wireless network is logical
Believe module and wired network communication module；
（7-5）Remote control module is used for, control instruction for respond remote server synchronous with remote server holding；
（7-6）Governor circuit module carries out collaboration processing for mixing system resource and the other modules of control；
（7-7）Memory module is used to cache the initial data and backup block record of acquisition；
（7-8）Power module is used to provide electric power for monitoring device, including rechargable power supplies and/or solar cell.
8. monitoring device according to claim 7, which is characterized in that including using side in claim 1- claims 6
The block chain node and client with video monitoring function of method.
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Cited By (20)
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| CN109495258A (en) * | 2018-12-19 | 2019-03-19 | 世纪龙信息网络有限责任公司 | Method and device for decrypting monitoring data, computer equipment and storage medium |
| CN109598505A (en) * | 2018-10-31 | 2019-04-09 | 阿里巴巴集团控股有限公司 | A kind of qualitative data treating method and apparatus based on block chain |
| CN109640054A (en) * | 2018-12-28 | 2019-04-16 | 福建工程学院 | A kind of non power driven vehicle based on block chain technology occupies the monitoring method of fast traffic lane |
| CN109815732A (en) * | 2019-01-09 | 2019-05-28 | 北京邮电大学 | A kind of workshop data storage based on alliance's chain and access system, method and device |
| CN109831458A (en) * | 2019-03-21 | 2019-05-31 | 浙江工商大学 | A kind of IOT electronic behavior record management system |
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| CN109873702A (en) * | 2019-01-24 | 2019-06-11 | 国网浙江省电力有限公司电力科学研究院 | A kind of image data transfer method towards NB-IoT electric operating mobile terminal |
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| CN110035105A (en) * | 2018-12-13 | 2019-07-19 | 阿里巴巴集团控股有限公司 | Record screen evidence collecting method, system and electronic equipment based on block chain |
| CN110083757A (en) * | 2019-04-24 | 2019-08-02 | 中国地质大学（北京） | A kind of abnormal data access and querying method, system based on alliance's chain network |
| CN110113310A (en) * | 2019-04-04 | 2019-08-09 | 国美金控投资有限公司 | One kind is based on monitoring system alliance's chain common recognition system |
| CN110210243A (en) * | 2019-04-30 | 2019-09-06 | 江苏亿鸿信息工程有限公司 | A kind of monitor video evidence-obtaining system and its evidence collecting method based on block chain |
| CN110850920A (en) * | 2019-11-29 | 2020-02-28 | 山东爱城市网信息技术有限公司 | Block chain-based agricultural greenhouse guaranteeing method, equipment and medium |
| CN111064806A (en) * | 2019-12-30 | 2020-04-24 | 南京龟兔赛跑软件研究院有限公司 | Monitoring data acquisition system and method based on block chain and computer storage medium |
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| CN111460463A (en) * | 2019-01-22 | 2020-07-28 | 深圳市网安计算机安全检测技术有限公司 | Electronic deposit certificate storage and notarization method, device, equipment and storage medium |
| CN111652586A (en) * | 2020-06-04 | 2020-09-11 | 福建汇天软件科技股份有限公司 | Dynamic supervision service device and equipment for livestock breeding |
| CN112202926A (en) * | 2020-11-13 | 2021-01-08 | 深圳市腾盟技术有限公司 | Cultivation monitoring method, system, equipment and storage medium |
| US10958438B2 (en) | 2018-10-31 | 2021-03-23 | Advanced New Technologies Co., Ltd. | Method, apparatus, and electronic device for blockchain-based recordkeeping |
| WO2023174142A1 (en) * | 2022-03-14 | 2023-09-21 | 中国科学院软件研究所 | Asynchronous blockchain consensus method and system with decoupled data broadcast and consensus, electronic device and storage medium |
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