CN111866174A - Decentralized LED display system and method based on block chain technology - Google Patents
Decentralized LED display system and method based on block chain technology Download PDFInfo
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- CN111866174A CN111866174A CN202010767241.4A CN202010767241A CN111866174A CN 111866174 A CN111866174 A CN 111866174A CN 202010767241 A CN202010767241 A CN 202010767241A CN 111866174 A CN111866174 A CN 111866174A
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- led display
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/02—Marketing; Price estimation or determination; Fundraising
- G06Q30/0241—Advertisements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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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
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
Abstract
The invention discloses a decentralized LED display system and method based on a block chain technology, which comprises a user terminal, a storage unit, a hash algorithm unit and an LED display unit; a blockchain platform for managing blockchain data; the cloud server is used for storing the LED display data in a distributed mode; acquiring request data sent by a user terminal and uploading the request data to the cloud server, wherein the request data comprises user data and LED display data; after the cloud server receives the request data, verifying the user data, if the verification is passed, generating a hash value according to the LED display data through a hash algorithm, and if the verification is not passed, rejecting the request data; the hash value is appended to the LED display data and stored. The hash algorithm unit is used for performing hash function calculation on the LED display data and generating a hash value; the storage unit is used for storing the hash value and the LED display data; the LED display unit is used for displaying the LED display data.
Description
Technical Field
The invention relates to the technical fields of a block chain technology, LED display, control and the like, in particular to a decentralized LED display system and method based on the block chain technology.
Background
The LED screen is used as an excellent carrier of advertisements, is rapidly developed in the whole world as a novel information display medium in the eighties, has wide application fields and mainly comprises: the full-color LED display screen is more and more widely used in outdoor advertising media in recent years, replaces products such as traditional lamp boxes, neon lamps, magnetic turning plates and the like, and is used as output equipment of an information-based society, so that the full-color LED display screen has wide and rich application prospect.
Blockchains are an integrated application of distributed digital storage, point-to-point transmission, consensus mechanisms, encryption algorithms, and other technologies. In a narrow sense, the blockchain is a chain data structure which combines data blocks in a sequential connection manner according to a time sequence, and is a distributed account book which is guaranteed in a cryptographic manner and is not falsifiable and counterfeitable. Broadly speaking, the blockchain technique is a completely new distributed infrastructure and computing paradigm that utilizes blockchain data structures to verify and store data, utilizes distributed node consensus algorithms to generate and update data, utilizes cryptography to secure data transmission and access, and utilizes intelligent contracts to program and manipulate data.
Combining the block chain technology with the LED display, especially the outdoor LED screen, can achieve the advantages of information security, traceability, etc., how to improve the degree of engagement, and achieve an effective usage method, which is one of the problems that needs to be solved at present.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a decentralized LED display system and method based on a block chain technology, and the information safety is improved.
A decentralized LED display method based on a block chain technology comprises a user terminal; a blockchain platform for managing blockchain data; the cloud server is used for storing the LED display data in a distributed mode; acquiring request data sent by a user terminal and uploading the request data to the cloud server, wherein the request data comprises user data and LED display data; after the cloud server receives the request data, verifying the user data, if the verification is passed, generating a hash value according to the LED display data through a hash algorithm, and if the verification is not passed, rejecting the request data; the hash value is appended to the LED display data and stored.
The decentralized LED display system based on the block chain technology comprises a storage unit, a hash algorithm unit and an LED display unit, wherein: the hash algorithm unit is used for performing hash function calculation on the LED display data and generating a hash value; the storage unit is used for storing the hash value and the LED display data; the LED display unit is used for displaying the LED display data.
The decentralized LED display system and method based on the block chain technology realize the safety of the LED screen when displaying the content by introducing the block chain technology, prevent the video technology or the art resource from being stolen, facilitate the delivery of the advertisement and simultaneously prevent the low-custom advertisement or the illegal advertisement and the like from intercepting an LED screen information channel.
Further, the specific method for generating the hash value by the hash algorithm is as follows: and extracting feature data with any length in the LED display data, and generating a hash value according to the feature data.
Further, the user data includes account information, positioning information and credit investigation data.
Further, the LED display data comprises authority levels, template data and text voice data.
Further, the blockchain platform comprises a super ledger and/or an ether house.
Further, the cloud server is in communication connection with the block chain platform and the user terminal respectively.
Further, the hash algorithm includes a direct addressing method, a number analysis method, a square-median method, and a random number method.
Further, the decentralized LED display method based on the block chain technology further includes a hash table, and the hash table is disposed in the user terminal.
Further, the hash table is established corresponding to the hash algorithm.
The invention has the beneficial effects that:
the decentralized LED display system and method based on the block chain technology improve the information security; the safety of the LED screen when the content is displayed is realized by introducing a block chain technology, the video technology or art resources are prevented from being stolen, and meanwhile, the information channel of the LED screen is prevented from being intercepted by popular advertisements or illegal advertisements and the like while the advertisements are conveniently delivered.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of one embodiment of the present invention;
fig. 2 is a schematic diagram of another embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
Example 1
As shown in fig. 1, the decentralized LED display method based on the block chain technology includes a user terminal; a blockchain platform for managing blockchain data; the cloud server is used for storing the LED display data in a distributed mode; acquiring request data sent by a user terminal and uploading the request data to the cloud server, wherein the request data comprises user data and LED display data; after the cloud server receives the request data, verifying the user data, if the verification is passed, generating a hash value according to the LED display data through a hash algorithm, and if the verification is not passed, rejecting the request data; the hash value is appended to the LED display data and stored.
The decentralized LED display system based on the block chain technology comprises a storage unit, a hash algorithm unit and an LED display unit, wherein: the hash algorithm unit is used for performing hash function calculation on the LED display data and generating a hash value; the storage unit is used for storing the hash value and the LED display data; the LED display unit is used for displaying the LED display data.
The decentralized LED display system and method based on the block chain technology realize the safety of the LED screen when displaying the content by introducing the block chain technology, prevent the video technology or the art resource from being stolen, facilitate the delivery of the advertisement and simultaneously prevent the low-custom advertisement or the illegal advertisement and the like from intercepting an LED screen information channel. The block chain data has the characteristics of traceability, openness, transparency, reality and right confirmation, and can realize forward traceability and reverse traceability. The block chain technology does not depend on an additional third-party management mechanism or hardware facilities, does not have central control, and realizes self-verification, transmission and management of information by each node through distributed accounting and storage except for the self-integrated block chain.
In this embodiment, the specific method for generating the hash value by the hash algorithm is as follows: and extracting feature data with any length in the LED display data, and generating a hash value according to the feature data.
In this embodiment, the user data includes account information, positioning information, and credit investigation data.
In this embodiment, the LED display data includes permission levels, template data, and text and voice data.
In this embodiment, the blockchain platform includes a super ledger and/or an etherhouse.
In this embodiment, the cloud server is in communication connection with the blockchain platform and the user terminal, respectively.
In this embodiment, the hash algorithm includes a direct addressing method, a number analysis method, a square-median method, and a random number method.
According to the method, the user can customize the advertisement content through the mobile phone, wherein the APP or the small program used in the mobile phone can be realized by adopting the prior art, the outdoor LED display large screen displays according to the customization of the user, and the most appropriate place for putting can be selected according to the data analysis in the cloud server. The authenticity of the advertisement put by the user can be judged through account information, positioning information and credit investigation data contained in the user data, and the method can be realized through an automatic analysis platform such as machine learning or artificial intelligence, so that the complicated steps of manual examination are reduced.
Example 2
As shown in fig. 2, the decentralized LED display method based on the block chain technology further includes a hash table, where the hash table is disposed in the user terminal, and the overall security is improved by adding the hash table to the user terminal.
A Hash table (also called Hash table) is a data structure that is directly accessed from a Key value (Key value). That is, it accesses the record by mapping the key value to a location in the table to speed up the lookup. This mapping function is called a Hash function, the array storing the records is called a Hash table, for example, if a given table M is provided with a function f (key), and the address of the record containing the key in the table can be obtained by substituting the function into any given key value key, the table M is called a Hash (Hash) table, and the function f (key) is a Hash (Hash) function.
In this embodiment, the hash table is established corresponding to the hash algorithm.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. The decentralized LED display method based on the block chain technology comprises a user terminal, and is characterized by further comprising the following steps:
a blockchain platform for managing blockchain data;
the cloud server is used for storing the LED display data in a distributed mode;
acquiring request data sent by a user terminal and uploading the request data to the cloud server, wherein the request data comprises user data and LED display data;
after the cloud server receives the request data, verifying the user data, if the verification is passed, generating a hash value according to the LED display data through a hash algorithm, and if the verification is not passed, rejecting the request data;
the hash value is appended to the LED display data and stored.
2. The method as claimed in claim 1, wherein the hash algorithm generates the hash value by: and extracting feature data with any length in the LED display data, and generating a hash value according to the feature data.
3. The block chain technology-based decentralized LED display method according to claim 1, wherein: the user data comprises account information, positioning information and credit investigation data.
4. The block chain technology-based decentralized LED display method according to claim 1, wherein: the LED display data comprises authority levels, template data and text voice data.
5. The block chain technology-based decentralized LED display method according to claim 1, wherein: the blockchain platform includes a super ledger and/or an ether house.
6. The block chain technology-based decentralized LED display method according to claim 1, wherein: and the cloud server is respectively in communication connection with the block chain platform and the user terminal.
7. The block chain technology-based decentralized LED display method according to claim 1, wherein: the hash algorithm includes a direct addressing method, a numerical analysis method, a square-of-medium method, and a random number method.
8. The block chain technology-based decentralized LED display method according to claim 1, wherein: the system also comprises a hash table, and the hash table is arranged on the user terminal.
9. The block chain technology based decentralized LED display method according to claim 8, wherein: the hash table is established corresponding to the hash algorithm.
10. Decentralized LED display system based on blockchain technology, characterized in that any of the decentralized LED display methods based on blockchain technology according to claims 1-9 comprises a storage unit, a hash algorithm unit and an LED display unit, wherein:
the hash algorithm unit is used for performing hash function calculation on the LED display data and generating a hash value;
the storage unit is used for storing the hash value and the LED display data;
the LED display unit is used for displaying the LED display data.
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| CN202010767241.4A CN111866174A (en) | 2020-08-03 | 2020-08-03 | Decentralized LED display system and method based on block chain technology |
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| CN202010767241.4A CN111866174A (en) | 2020-08-03 | 2020-08-03 | Decentralized LED display system and method based on block chain technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114205645A (en) * | 2021-12-10 | 2022-03-18 | 北京凯视达信息技术有限公司 | Distributed video content auditing method and device |
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| US20190378176A1 (en) * | 2018-06-08 | 2019-12-12 | Walmart Apollo, Llc | Systems and methods for customizing display on digital billboard |
| US20200027133A1 (en) * | 2018-07-18 | 2020-01-23 | Triapodi Ltd. | Maintaining advertisements without revealing sensitive data of a user on a personal computing device |
| CN111078715A (en) * | 2019-12-20 | 2020-04-28 | 北京艾摩瑞策科技有限公司 | Synchronous storage method and device for internet advertisement data on block chain |
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| US20190378176A1 (en) * | 2018-06-08 | 2019-12-12 | Walmart Apollo, Llc | Systems and methods for customizing display on digital billboard |
| US20200027133A1 (en) * | 2018-07-18 | 2020-01-23 | Triapodi Ltd. | Maintaining advertisements without revealing sensitive data of a user on a personal computing device |
| CN110517087A (en) * | 2019-08-29 | 2019-11-29 | 北京百度网讯科技有限公司 | Poly- screen put-on method, device, equipment and medium based on block chain network |
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| CN114205645A (en) * | 2021-12-10 | 2022-03-18 | 北京凯视达信息技术有限公司 | Distributed video content auditing method and device |
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