Outdoor advertisement large screen user interaction method and system based on block chain and Internet of Things

Abstract

The invention discloses an outdoor advertisement large screen user interaction method and system based on a block chain and the Internet of Things, belongs to the technical field of advertisement management, and aims to solve the technical problem of how to ensure the safety and reliability of advertisement data, realize real-time interaction between an advertisement screen and a user terminal and improve the user experience. According to the technical scheme, the method comprises the following steps of: creating and releasing advertisement contents: creating the advertisement contents, performing preliminary auditing through an intelligent contract, releasing the advertisement contents passing the auditing on an advertisement screen, and starting official delivery; configuration and authentication of an advertisement user side: the advertisement user side is connected and authenticated with an advertisement screen through a smart phone or a smart watch, so that communication between the advertisement user side and the advertisement screen through a secure channel is realized, and the security of data transmission is ensured; collecting and storing advertisement interaction data; executing and managing the smart contract; and real-time feedback and optimization are carried out.

Description

Technical Field

[0001] The present invention relates to the technical field of advertising management, and in particular to a method and system for outdoor advertising large-screen user interaction based on blockchain and the Internet of Things. Background Art

[0002] With the rapid development of the outdoor advertising industry, advertising screens have become an important tool to attract the attention of the audience. However, the current outdoor advertising system is mainly based on one-way information transmission, that is, the advertising content is published by the advertiser and the audience passively receives it. This one-way information transmission model has the following problems:

[0003] ① Lack of interactivity: Traditional outdoor advertising screens cannot interact with the audience. The advertising content is single and fixed, and cannot be adjusted in real time based on audience feedback, resulting in poor advertising effects and difficulty in effectively attracting and retaining audiences.

[0004] ② Data opacity: Advertisers are unable to view the delivery status and effects of advertisements in real time. The advertising delivery process lacks transparency, which reduces advertisers’ confidence and trust in advertising.

[0005] ③Poor data security: Advertising and interaction data are scattered in different storage locations and are easily tampered with or lost, making it impossible to ensure data security and integrity.

[0006] ④ Lack of personalization: Traditional outdoor advertising screens cannot provide personalized advertising content based on the interests and needs of the audience, resulting in poor advertising effects and inability to achieve precise delivery.

[0007] Therefore, how to ensure the security and reliability of advertising data, realize real-time interaction between advertising screens and user terminals, and thus improve the accuracy and effectiveness of advertising delivery is a technical problem that needs to be solved urgently. Summary of the invention

[0008] The technical task of the present invention is to provide a user interaction method and system for outdoor advertising large screens based on blockchain and the Internet of Things to solve the problem of how to ensure the security and reliability of advertising data, realize real-time interaction between advertising screens and user terminals, and thereby improve the accuracy and effectiveness of advertising delivery.

[0009] The technical task of the present invention is achieved in the following way: a user interaction method for outdoor advertising large screen based on blockchain and the Internet of Things, the method is as follows:

[0010] Create and publish advertising content: Create advertising content and conduct preliminary review through smart contracts. The approved advertising content will be published on the advertising screen and officially launched;

[0011] Configure and authenticate the advertising client: The advertising client connects to and authenticates with the advertising screen through a smartphone or smartwatch, enabling communication between the advertising client and the advertising screen through a secure channel to ensure the security of data transmission;

[0012] Collect and store advertising interaction data: The advertising screen collects users' interaction data in real time and encrypts and stores it on distributed nodes through blockchain technology;

[0013] Execute and manage smart contracts: Automatically execute advertising content review, user incentives, and access control through smart contracts;

[0014] Data transparency management: View the records and history of interaction data through the advertising client and the advertising management platform to ensure data transparency and credibility;

[0015] Real-time feedback and optimization: Continuously optimize advertising content and placement strategies based on real-time feedback.

[0016] Preferably, create and publish advertising content as follows:

[0017] Create content: Upload multimedia files such as advertising pictures or videos through the advertising management platform and fill in the advertising content including the advertising title and detailed description. At the same time, fill in the relevant advertising information such as the placement time and location;

[0018] Preliminary review: The smart contract automatically reviews the legality and compliance of the advertising content. After passing the review, the advertising content is stored in the blockchain network and a unique hash value is generated;

[0019] Publish the advertising content and monitor the placement, recording the placement data: Monitor the placement situation of the advertising content in real time to ensure that the advertisement is placed at the set time and location, and record the placement data of the advertising content for subsequent analysis. Among them, the placement data of the advertising content includes the placement time, placement position, and number of views.

[0020] Preferably, configure and authenticate the advertising client as follows:

[0021] Connect to the advertising screen: The advertising client establishes a connection with the advertising management platform by scanning the QR code, NFC, or Bluetooth on the advertising screen;

[0022] Identity authentication: The smart contract automatically verifies the identity of the advertising client and grants corresponding access permissions. Only users who have passed identity authentication and authorization can participate in interactions and obtain integral rewards.

[0023] Preferably, collect and store interaction data as follows:

[0024] Data collection: Real-time record of users' click, browsing, and interaction behavior data during activities through the advertising screen, and encrypt and store the interaction behavior data in the blockchain network;

[0025] Decentralized storage: The interaction behavior data is distributed and stored on multiple nodes in the blockchain network to ensure data security and immutability;

[0026] Data analysis: Analyze users' interaction behavior data through the blockchain network to optimize the advertising content and placement strategy.

[0027] Preferably, the execution and management of the smart contract are as follows:

[0028] Advertising review: The smart contract automatically reviews the legality and compliance of the advertising content, and publishes the advertising content on the advertising screen after passing the review;

[0029] User incentive: Obtain blockchain points through interaction. The smart contract automatically records and manages users' point accounts, and provides functions such as redeeming prizes or other services;

[0030] Access control: The smart contract dynamically adjusts the access rights of users and advertisers according to predefined permission policies to ensure data security and traceability.

[0031] More preferably, the data transparent management is as follows:

[0032] Data browsing: Advertisers can view the advertising content and interaction data in real time through the advertising management platform to obtain the advertising placement effect and user interaction situation; and users can query the interaction data and point data in real time through the advertising user terminal to obtain the participated interaction behaviors and related rewards;

[0033] Audit and traceability: Audit and trace the operation logs of the advertising content and interaction behavior data through the advertising management platform to ensure transparency and traceability;

[0034] Data sharing and cooperation: Achieve data sharing and cooperation through the advertising management platform to improve the advertising placement effect;

[0035] Real-time feedback and optimization are as follows:

[0036] Real-time feedback: When the advertising user terminal interacts with the advertisement, collect feedback data in real time and immediately transmit it to the advertiser;

[0037] Continuous optimization: Continuously optimize the advertising content and placement strategy according to the real-time feedback data to improve the advertising effect;

[0038] User participation: Promote the optimization of the advertising content and improve the accuracy of advertising placement through participation in interaction and feedback.

[0039] An outdoor advertising large screen user interaction system based on blockchain and the Internet of Things, the system includes an advertising screen unit, an advertising user terminal, a blockchain network unit, a smart contract unit and an advertising management platform;

[0040] The advertising screen unit is used to interact with the advertising user terminal in real time, and at the same time display advertising content and collect user interaction behavior data;

[0041] The advertising user terminal is used to interact with the advertising screen unit through a smart phone or a smart watch, and view points and exchange goods;

[0042] The blockchain network unit is used to store and maintain advertising content and interaction behavior data, ensure the immutability and traceability of the data, and improve security and reliability through blockchain technology;

[0043] The smart contract unit is used to automatically execute and manage content review and user incentive mechanisms, and achieve automated and efficient operation management through smart contracts;

[0044] The advertising management platform is used to publish the advertising content through manual review, and conduct statistical analysis and display of the collected interaction behavior data.

[0045] Preferably, the advertising screen unit includes:

[0046] An interaction module, which is used to participate in advertising interaction by means of terminal control, touch screen, voice recognition, gesture recognition or action recognition;

[0047] A data collection module, which is used to collect the interaction behavior data of users' clicks, browsing and participation in activities in real time, and encrypt and store the interaction behavior data in the blockchain network unit;

[0048] A display module, which is used to dynamically display personalized advertising content according to the user's interaction behavior data, and improve user participation and advertising effect;

[0049] A communication module, which is used to communicate with the user terminal through Internet of Things technology to ensure the efficiency and security of data transmission;

[0050] The advertising user terminal includes:

[0051] A connection module, which is used to establish a connection with the advertising management platform through QR code, NFC or Bluetooth to achieve real-time interaction;

[0052] An interaction module, which is used to interact with the advertising screen unit through a smart phone or a smart watch, and participate in activities such as voting, answering questions or receiving coupons;

[0053] A data feedback module, which is used to feedback interaction data to the blockchain network unit in real time through the advertising user terminal to ensure the transparency and credibility of the data;

[0054] A user incentive module, which is used to obtain blockchain points through interaction and exchange prizes or other services within the advertising management platform to increase user participation and loyalty;

[0055] The blockchain network unit includes:

[0056] A node construction module, which is used to construct a blockchain network jointly participated by advertisers, advertising operators, advertising screen units and advertising user terminals to ensure security and credibility;

[0057] A data storage module, which is used to store advertising content and user interaction behavior data. The advertising content and user interaction behavior data are stored in the distributed ledger of the blockchain to ensure the immutability of the data; among them, the advertising content includes the creation time, delivery time of the advertisement and the interaction behavior data;

[0058] An access control module, which is used to manage the access rights of advertising content and interaction behavior data, and realizes flexible permission control through smart contracts. Only authorized users and advertisers can access the corresponding data;

[0059] An audit module, which is used to record the operation logs of all creations, updates and views of advertising content and interaction behavior data, and store the log data in the blockchain for managers to audit and trace at any time;

[0060] The smart contract unit includes:

[0061] An identity authentication and authorization module, which is used to verify the identities of user terminals and advertisers, and grant access permissions according to pre-set rules; only users and advertisers who have passed identity authentication and authorization can access and operate the corresponding data;

[0062] An advertising content review module, which is used to automatically review the legality and compliance of advertising content through smart contracts, and publish the reviewed advertising content to the advertising screen unit;

[0063] A user incentive module, which is used to obtain points through interaction. The relevant point data is recorded into the blockchain network. The smart contract automatically records and manages the user's point account, and provides the function of exchanging prizes or other services;

[0064] An access log recording module, which is used to automatically record each access and operation of advertising content and interaction data creation, update and view through smart contracts, and store the log data in the blockchain to ensure the transparency and traceability of the operation;

[0065] A notification and alarm module is used to set up a notification and alarm mechanism through a smart contract. When unauthorized access attempts or critical operations such as failed data updates occur, the smart contract automatically sends notifications to relevant management personnel to ensure that problems can be discovered and resolved in a timely manner.

[0066] An electronic device includes: a memory and at least one processor;

[0067] Wherein, a computer program is stored on the memory;

[0068] The at least one processor executes the computer program stored in the memory, so that the at least one processor executes the outdoor advertising large screen user interaction method based on blockchain and Internet of Things as described above.

[0069] A computer-readable storage medium stores a computer program, and the computer program can be executed by a processor to implement the outdoor advertising large screen user interaction method based on blockchain and Internet of Things as described above.

[0070] The outdoor advertising large screen user interaction method and system based on blockchain and Internet of Things of the present invention have the following advantages:

[0071] (1) The present invention can realize the uploading, publishing, collection and storage of interaction data, user incentives and data transparent management of advertising content, ensure the security and transparency of advertising data, and improve the accuracy and interaction effect of advertising delivery, specifically as follows:

[0072] ① High transparency and credibility: Ensure the security and transparency of interaction data through blockchain technology. A unique hash value will be generated when all interaction data is stored, and these data cannot be tampered with once stored in the blockchain network; users and advertisers can query these data at any time to ensure the authenticity and integrity of the data; the decentralized feature of the blockchain makes the storage and recording of data public and transparent, and anyone can view the records and history of interaction data through the management platform to ensure the transparency of the delivery data; the auditing and traceability functions support detailed records of all operations, and management personnel can audit and trace the data through the management platform to ensure the transparency and traceability of all operations, and discover and solve potential problems in a timely manner;

[0073] ② High security: Leveraging the immutability and distributed storage characteristics of blockchain, once all user interaction data is stored on the blockchain, it cannot be tampered with or deleted, ensuring the integrity and security of the data; the interaction data is distributed and stored on multiple nodes in the blockchain network, avoiding the risks of single-point failures and data loss; each node stores a complete copy of the data, enhancing the security and availability of the data; during the data transmission and storage processes, encryption technology is used to ensure data security, and the user's interaction data is encrypted before being uploaded to the blockchain network to ensure its security during transmission and storage;

[0074] ③ Automated review and anti-counterfeiting authentication: The review process of advertising content is automatically executed through smart contracts to ensure the legality and compliance of the advertising content; the smart contract automatically verifies the advertising content according to preset rules, and after passing the review, the advertising content is published on the advertising display screen; when the advertiser uploads the advertising content, the smart contract will automatically conduct a preliminary review, reducing the time and cost of manual review and improving the review efficiency; after passing the review, the advertising content will be automatically published on the advertising display screen. Utilizing the anti-counterfeiting characteristics of blockchain to ensure the authenticity and integrity of the advertising content; a unique hash value is generated for each advertising content during storage, which is used to verify the authenticity of the content and prevent the advertising content from being tampered with or forged;

[0075] ④ Personalized advertising content: By analyzing the data of users' clicks, browsing, and interaction behaviors, the interests and behavior preferences of users are obtained; personalized advertising content is provided for each user to enhance the accuracy and effectiveness of the advertisement. Based on the user's interaction data, the system can achieve precise delivery, showing the most suitable advertising content for different users, improving the conversion rate of the advertisement and user satisfaction; advertisers can adjust their advertising strategies according to real-time data to achieve personalized advertising delivery; through real-time data feedback, advertisers can immediately adjust the advertising content and delivery strategy to ensure that the advertising content always meets the interests and needs of users, improving the effectiveness of advertising delivery and user engagement;

[0076] ⑤ User incentive mechanism: Users are incentivized to participate in interactions through blockchain points. Users can receive point rewards when interacting with the advertising screen, and these points can be exchanged for prizes or other services within the platform, increasing user participation and loyalty; users can receive additional point rewards when providing real feedback and suggestions, stimulating users to actively participate in advertising interactions and put forward improvement suggestions, helping advertisers optimize their advertising content and strategies, and through the user incentive mechanism, enhancing users' enthusiasm and participation in advertising interactions, prompting more users to actively participate in advertising activities, and improving the dissemination effect and influence of the advertisement;

[0077] (2) The present invention combines modern advertising management with blockchain technology, and solves the problems existing in traditional advertising management, such as opaque data, poor interactivity, and low data security, through electronic and intelligent means; by adopting blockchain technology and smart contracts, the present invention not only improves the accuracy and interactive effect of advertising placement, but also ensures the security and transparency of data, and is applicable to various outdoor advertising placement scenarios;

[0078] (3) By introducing blockchain technology and smart contracts, the present invention not only ensures the immutability and traceability of advertising data, but also realizes flexible permission management and efficient data synchronization, which can significantly improve the accuracy and interactive effect of advertising placement, improve the management level and data security of advertisers, and bring revolutionary changes to the advertising industry;

[0079] (4) The present invention is not only applicable to the management and placement of outdoor advertising large screens, but also can be widely applied to other fields, such as mall electronic screen advertising, transportation hub information screens, sports event live interaction, etc. Through customized configuration and application, it can provide efficient and reliable solutions for different industries and fields, and further expand the application scope and value of blockchain and Internet of Things technologies;

[0080] (5) The present invention has the advantages of high efficiency, security, flexibility and scalability, can significantly improve the advertising placement effect and management level, has broad application prospects and promotion value, and will surely play an important role in the modern advertising industry, promoting the transformation and progress of advertising placement methods;

[0081] It has the characteristics of reasonable design, simple structure, easy processing, small volume, convenient use, multi-purpose, etc., and thus has good promotion and use value. BRIEF DESCRIPTION OF THE DRAWINGS

[0082] The present invention will be further described below with reference to the accompanying drawings.

[0083] Appendix Figure 1 It is a schematic structural diagram of an outdoor advertising large screen user interaction system based on blockchain and Internet of Things. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0084] The method and system for outdoor advertising large screen user interaction based on blockchain and Internet of Things of the present invention will be described in detail below with reference to the accompanying drawings of the specification and specific embodiments.

[0085] Embodiment 1:

[0086] This embodiment provides a method for outdoor advertising large screen user interaction based on blockchain and Internet of Things, and the method is as follows:

[0087] S1. Create and publish advertisement content: Create advertisement content and conduct a preliminary review through a smart contract. The approved advertisement content is published on the advertisement screen to start formal delivery.

[0088] S2. Configure and authenticate the advertisement client: The advertisement client connects to and authenticates with the advertisement screen through a smartphone or smartwatch, enabling communication between the advertisement client and the advertisement screen through a secure channel to ensure the security of data transmission.

[0089] S3. Collect and store advertisement interaction data: The advertisement screen collects users' interaction data in real time and encrypts and stores it on distributed nodes through blockchain technology.

[0090] S4. Execute and manage smart contracts: Automatically execute advertisement content review, user incentives, and access control through smart contracts.

[0091] S5. Transparent data management: View the records and history of interaction data through the advertisement client and the advertisement management platform to ensure data transparency and credibility.

[0092] S6. Real-time feedback and optimization: Continuously optimize advertisement content and delivery strategies based on real-time feedback.

[0093] The creation and publication of advertisement content in step S1 of this embodiment are specifically as follows:

[0094] S101. Create content: Upload multimedia files such as advertisement pictures or videos through the advertisement management platform and fill in the advertisement content including the advertisement title and detailed description. At the same time, fill in the relevant advertisement information such as the delivery time and location. Specifically as follows:

[0095] ① Advertisement title and description: The advertisement publisher needs to fill in the advertisement title and detailed description so that the system can accurately display the advertisement content.

[0096] ② Upload multimedia files: The advertisement publisher can upload multimedia files of the advertisement, such as pictures, videos, etc., to enrich the advertisement content.

[0097] S102. Preliminary review: The smart contract automatically reviews the legality and compliance of the advertisement content. After passing the review, the advertisement content is stored in the blockchain network and a unique hash value is generated. Specifically as follows:

[0098] ① Legality review: The smart contract reviews whether the advertisement content meets the requirements of laws and regulations according to preset rules to ensure the legality of the advertisement content.

[0099] ② Compliance review: The smart contract reviews whether the advertisement content complies with the platform's regulations and policies to ensure the compliance of the advertisement content.

[0100] ③Generate a hash value: After the review is passed, the smart contract stores the advertisement content in the blockchain network and generates a unique hash value to ensure the immutability of the data;

[0101] S103. Publish the advertisement content and monitor the placement, and record the placement data: Monitor the placement of the advertisement content in real time to ensure that the advertisement is placed at the set time and location, and record the placement data of the advertisement content for subsequent analysis; among them, the placement data of the advertisement content includes the placement time, the placement position, and the number of views; specifically as follows:

[0102] ①Advertisement content push: Push the reviewed advertisement content to the advertisement large screen to ensure that the advertisement is placed as planned;

[0103] ②Placement monitoring: Monitor the placement of the advertisement content in real time to ensure that the advertisement is placed at the set time and location;

[0104] ③Placement data recording: Record the placement data of the advertisement content, including information such as the placement time, position, and number of views, for subsequent analysis.

[0105] The configuration and authentication of the advertisement user terminal in step S2 of this embodiment are specifically as follows:

[0106] S201. Connect to the advertisement screen: The advertisement user terminal establishes a connection with the advertisement management platform by scanning the QR code, NFC, or Bluetooth on the advertisement screen;

[0107] S202. Identity authentication: The smart contract automatically verifies the identity of the advertisement user terminal and grants corresponding access permissions. Only users who pass the identity authentication and authorization can participate in the interaction and obtain integral rewards; specifically as follows:

[0108] ①Identity verification: The smart contract verifies the user's identity information to ensure that only legitimate users can participate in the interaction;

[0109] ②Permission granting: The smart contract grants the user corresponding access permissions according to the preset permission policy to ensure the security of the data;

[0110] ③Secure communication: After the identity authentication is completed, the user terminal and the advertisement screen communicate through a secure channel to ensure the security of data transmission.

[0111] The collection and storage of interaction data in step S3 of this embodiment are specifically as follows:

[0112] S301. Data collection: Real-time record the interaction behavior data of the user's clicks, browsing, and participation in activities through the advertisement screen, and encrypt and store the interaction behavior data in the blockchain network; specifically as follows:

[0113] ① Interaction record: The advertising screen records the user's interaction behaviors in real time, including detailed information such as clicks, browsing, and participation in activities;

[0114] ② Data encryption: The collected interaction data is processed through encryption technology to ensure the security of the data during storage and transmission;

[0115] ③ Real-time upload: The advertising screen uploads the encrypted interaction data to the distributed nodes in the blockchain network in real time;

[0116] S302, Decentralized storage: The interaction behavior data is distributed and stored on multiple nodes in the blockchain network to ensure the security and immutability of the data; specifically as follows:

[0117] ① Distributed storage: The interaction data is distributed and stored on multiple nodes in the blockchain network to avoid single-point failures;

[0118] ② Data redundancy: Through the data redundancy mechanism, it is ensured that complete interaction data is stored on each node to improve the reliability of the data;

[0119] ③ Data consistency: The consensus mechanism in the blockchain network ensures the data consistency on each node and prevents data tampering;

[0120] S303, Data analysis: Analyze the user's interaction behavior data through the blockchain network to optimize the advertising content and placement strategy; specifically as follows:

[0121] ① Behavior analysis: By analyzing the user's interaction behaviors, understand the user's interests and needs, and provide placement suggestions for advertisers;

[0122] ② Effect evaluation: Evaluate the advertising placement effect to help advertisers understand the actual effect of the advertisement and user feedback;

[0123] ③ Data report: Generate detailed data reports for advertisers to refer to and optimize the advertising placement strategy.

[0124] The execution and management of the smart contract in step S4 of this embodiment are specifically as follows:

[0125] S401, Advertising review: The smart contract automatically reviews the legality and compliance of the advertising content, and after passing the review, publishes the advertising content on the advertising screen; specifically as follows:

[0126] ① Rule verification: The smart contract automatically verifies the legality and compliance of the advertising content according to the preset rules to ensure that the advertising content complies with laws, regulations, and platform policies;

[0127] ② Automatic publishing: The advertising content that passes the review will be automatically published on the large advertising screen without manual intervention, improving the review and publishing efficiency;

[0128] ③ Violation handling: For advertising content that does not comply with the rules, the smart contract will automatically block its release and provide feedback on modification suggestions to the advertiser so that it can adjust the content and resubmit it for review;

[0129] S402. User incentive: Obtain blockchain points through interaction. The smart contract automatically records and manages the user's point account and provides the function of redeeming prizes or other services; specifically as follows:

[0130] ① Point distribution: The smart contract automatically distributes blockchain points according to the user's interaction behaviors (such as clicks, views, participation in activities, etc.) to encourage users to actively participate in interactions;

[0131] ② Account management: The smart contract automatically records and manages the information of the user's point account to ensure the security and transparency of the user's points;

[0132] ③ Prize redemption: Users can use points to redeem prizes or other services through the point mall system within the platform, increasing user participation and loyalty;

[0133] S403. Access control: The smart contract dynamically adjusts the access permissions of users and advertisers according to predefined permission policies to ensure the security and traceability of data; specifically as follows:

[0134] ① Permission setting: The smart contract sets access permissions according to the identities and roles of different users to ensure that only authorized users can access and operate the corresponding data;

[0135] ② Dynamic adjustment: The smart contract dynamically adjusts the access permissions of users according to real-time requirements to ensure the flexibility and security of data access;

[0136] ③ Permission auditing: The smart contract records all permission change operations, facilitating managers to audit and trace the permission change situation at any time.

[0137] The data transparency management in step S5 of this embodiment is specifically as follows:

[0138] S501. Data browsing: Advertisers can view the advertising content and interaction data in real time through the advertising management platform to obtain the advertising delivery effect and user interaction situation; and can query the interaction data and point data in real time through the advertising user terminal to obtain the interaction behaviors participated in and related rewards;

[0139] S502. Auditing and traceability: Audit and trace the operation logs of advertising content and interaction behavior data through the advertising management platform to ensure transparency and traceability; specifically as follows:

[0140] ①Operation Log Recording: The smart contract automatically records the access and operation logs of the advertisement content and interaction data each time, ensuring the transparency and traceability of operations;

[0141] ②Audit Analysis: Managers can conduct audit analysis on the operation logs through the management platform to discover and solve potential problems;

[0142] ③Problem Tracing: Blockchain technology ensures the immutability of operation logs. Managers can trace the specific operations and time nodes when problems occur to ensure system security and data integrity;

[0143] S503. Data Sharing and Cooperation: Data sharing and cooperation are realized through the advertisement management platform to improve the advertisement delivery effect; specifically as follows:

[0144] ①Data Sharing: Advertisement publishers can share some data with partners to jointly analyze and optimize advertisement strategies;

[0145] ②Cooperative Analysis: Multiple partners can jointly analyze data through the management platform to formulate more effective advertisement delivery strategies;

[0146] ③Joint Optimization: Through data sharing and cooperation, all parties can jointly optimize advertisement content and delivery strategies to improve advertisement effects and user satisfaction.

[0147] The real-time feedback and optimization in step S6 of this embodiment are specifically as follows:

[0148] S601. Real-time Feedback: When the advertisement user terminal interacts with the advertisement, real-time feedback data is collected and immediately transmitted to the advertisement publisher; specifically as follows:

[0149] ①Instant Interaction Data: When users interact on the advertisement screen, the system immediately records and transmits the interaction data for the advertisement publisher to analyze and use;

[0150] ②Instant Response: The advertisement publisher can quickly adjust the advertisement content according to the real-time feedback of users to improve the user experience and advertisement effect;

[0151] ③Feedback Mechanism: A feedback mechanism is provided. Users can put forward suggestions and opinions on the advertisement content, and the advertisement publisher can optimize according to the user feedback;

[0152] S602. Continuous Optimization: According to the real-time feedback data, continuously optimize the advertisement content and delivery strategies to improve the advertisement effect; specifically as follows:

[0153] ①Data-driven Optimization: The advertisement publisher conducts data-driven advertisement optimization according to the user interaction data and feedback information to ensure that the advertisement content better meets the user needs;

[0154] ② Dynamic adjustment: Advertisers can dynamically adjust the ad content and placement strategies based on real-time data to enhance ad effectiveness and user satisfaction;

[0155] ③ Effect evaluation: Provide an effect evaluation function. Advertisers can regularly evaluate the ad placement effects and continuously improve the ad strategies;

[0156] S603. User participation: By participating in interactions and providing feedback, it promotes the optimization of ad content and improves the accuracy of ad placement; specifically as follows:

[0157] ① User contribution: Users contribute their views and opinions to the optimization of ad content by participating in interactions and providing feedback;

[0158] ② User incentive: Use blockchain-based points to incentivize users to participate in interactions and provide feedback, increasing user participation and loyalty;

[0159] ③ User experience improvement: Through the active participation and feedback of users, the ad content is continuously optimized, enhancing the overall user experience.

[0160] Embodiment 2:

[0161] As shown in the appendix Figure 1 This embodiment provides an outdoor advertising large screen user interaction system based on blockchain and the Internet of Things. The system includes an advertising screen unit, an advertising user terminal, a blockchain network unit, a smart contract unit, and an advertising management platform;

[0162] The advertising screen unit is used for real-time interaction with the advertising user terminal, and at the same time displays ad content and collects user interaction behavior data;

[0163] The advertising user terminal is used for interacting with the advertising screen unit through a smart phone or a smart watch, and viewing points and redeeming goods;

[0164] The blockchain network unit is used for storing and maintaining ad content and interaction behavior data, ensuring the immutability and traceability of data, and enhancing security and reliability through blockchain technology;

[0165] The smart contract unit is used for automatically executing and managing content review and user incentive mechanisms, and realizing automated and efficient operation management through smart contracts;

[0166] The advertising management platform is used for publishing ad content after manual review and performing statistical analysis and display on the collected interaction behavior data.

[0167] The advertising screen unit in this embodiment includes:

[0168] An interaction module, which is used to participate in ad interactions by means of terminal control, touch screen, voice recognition, gesture recognition, or motion recognition;

[0169] A data collection module, which is used to collect the interactive behavior data of users' clicks, browsing and participation in activities in real time, and encrypt and store the interactive behavior data in the blockchain network unit;

[0170] A display module, which is used to dynamically display personalized advertisement content according to the interactive behavior data of users, so as to improve the user participation and advertisement effect;

[0171] A communication module, which is used to communicate with the user terminal through the Internet of Things technology to ensure the efficiency and security of data transmission.

[0172] The advertisement user terminal in this embodiment includes:

[0173] A connection module, which is used to establish a connection with the advertisement management platform through QR code, NFC or Bluetooth to achieve real-time interaction;

[0174] An interaction module, which is used to interact with the advertisement screen unit through a smart phone or a smart watch to participate in activities such as voting, answering questions or receiving coupons;

[0175] A data feedback module, which is used to feedback the interactive data to the blockchain network unit in real time through the advertisement user terminal to ensure the transparency and credibility of the data;

[0176] A user incentive module, which is used to obtain blockchain points through interaction and exchange prizes or other services within the advertisement management platform to increase user participation and loyalty.

[0177] The blockchain network unit in this embodiment includes:

[0178] A node construction module, which is used to construct a blockchain network jointly participated by advertisement publishers, advertisement operators, advertisement screen units and advertisement user terminals to ensure security and credibility;

[0179] A data storage module, which is used to store advertisement content and user interactive behavior data. The advertisement content and user interactive behavior data are stored in the distributed ledger of the blockchain to ensure the immutability of the data; among them, the advertisement content includes the creation time, delivery time of the advertisement and the interactive behavior data;

[0180] An access control module, which is used to manage the access rights of advertisement content and interactive behavior data, and realize flexible permission control through smart contracts. Only authorized users and advertisement publishers can access the corresponding data;

[0181] An audit module, which is used to record the operation logs of all creations, updates and views of advertisement content and interactive behavior data, and store the log data in the blockchain for managers to audit and trace at any time.

[0182] The smart contract unit in this embodiment includes:

[0183] An identity authentication and authorization module, which is used to verify the identities of user terminals and advertisers, and grant access permissions according to pre-set rules; only users and advertisers who have passed identity authentication and authorization can access and operate the corresponding data;

[0184] An advertisement content review module, which is used to automatically review the legality and compliance of advertisement content through a smart contract, and publish the reviewed advertisement content to the advertisement screen unit;

[0185] A user incentive module, which is used to obtain points through interactions. The relevant point data is recorded in the blockchain network. The smart contract automatically records and manages the user's point account, and provides functions such as redeeming prizes or other services;

[0186] An access log recording module, which is used to automatically record each access and operation of creating, updating, and viewing advertisement content and interaction data through a smart contract, and store the log data in the blockchain to ensure the transparency and traceability of operations;

[0187] A notification and alarm module, which is used to set up a notification and alarm mechanism through a smart contract. When unauthorized access attempts or critical operations such as data update failures occur, the smart contract automatically sends notifications to relevant management personnel to ensure that problems can be discovered and solved in a timely manner.

[0188] The working process of this system is specifically as follows:

[0189] Step 1: Uploading and publishing of advertisement content

[0190] a) Creation of advertisement content

[0191] ① Content creation: The advertiser conducts identity authentication through the blockchain network and logs in to the advertisement management platform. The advertiser uploads the advertisement content and fills in relevant information, such as the advertisement title, release time, release location, etc. The uploaded file contains detailed descriptions of different advertisement contents and multimedia files (such as pictures, videos, etc.).

[0192] ② Preliminary review: The smart contract automatically reviews the legality and compliance of the advertisement content. The smart contract reviews whether the advertisement content complies with laws, regulations, and platform policies according to pre-set rules. After passing the review, the advertisement content is stored in the blockchain network, and a unique hash value is generated.

[0193] ③ Metadata generation and storage: The parsed advertisement content is associated with corresponding advertisement information (such as advertisement title, description, and number), and its metadata (including upload time, operator, and file version) is stored in the blockchain network. The data storage module ensures the integrity and immutability of this information, and each operation is recorded through the blockchain, providing a reliable traceability mechanism.

[0194] b) Advertisement content publishing

[0195] ① Publish advertisement content: The approved advertisement content will be published on the advertisement large screen to start the official delivery. Push the approved advertisement content to the advertisement large screen to ensure that the advertisement is delivered as planned.

[0196] ② Delivery monitoring: The delivery situation of the advertisement content will be monitored in real time according to the rules specified in advance in the smart contract to ensure that the advertisement is delivered at the set time and location.

[0197] ③ Delivery data recording: Record the delivery data of the advertisement content, including information such as delivery time, location, and number of views, for subsequent analysis.

[0198] Step 2: Configuration and identity authentication of the user terminal

[0199] c) Identity authentication

[0200] ① Establish a connection: The user scans the QR code on the advertisement screen through a smartphone or smartwatch, or through methods such as NFC or Bluetooth to establish a preliminary connection with the advertisement background server.

[0201] ② Identity authentication: The smart contract automatically verifies the identity of the user terminal and grants corresponding access permissions. Only users who have undergone identity authentication and authorization can participate in interactions and obtain integral rewards. The smart contract ensures that only legitimate users can participate in interactions by verifying the user's identity information and grants users corresponding access permissions according to the preset permission policy.

[0202] Step 3: Collection and storage of interaction data

[0203] e) Data collection

[0204] ① Interaction record: The advertisement screen records the user's interaction behaviors in real time, such as detailed information on clicks, browsing, and participating in activities. The advertisement screen encrypts the interaction data and uploads it to the distributed nodes in the blockchain network to ensure the security of the data during storage and transmission.

[0205] ② Data encryption: The collected interaction data is processed through encryption technology to ensure the security of the data. The advertisement screen uploads the encrypted interaction data to the distributed nodes in the blockchain network in real time.

[0206] ③ Real-time upload: The advertising screen uploads the encrypted interactive data to the distributed nodes in the blockchain network in real time to ensure the real-time and integrity of the data.

[0207] f) Decentralized storage

[0208] ① Distributed storage: The interactive data is stored distributively on multiple nodes in the blockchain network to avoid single-point failures. Through the data redundancy mechanism, it is ensured that complete interactive data is stored on each node, improving the reliability of the data.

[0209] ② Data redundancy: Through the data redundancy mechanism, it is ensured that complete interactive data is stored on each node, improving the reliability of the data. The consensus mechanism in the blockchain network ensures the data consistency on each node and prevents data tampering.

[0210] ③ Data consistency: The consensus mechanism in the blockchain network ensures the data consistency on each node and prevents data tampering.

[0211] g) Data analysis

[0212] ① Behavior analysis: The system analyzes the interactive behaviors of users to understand their interests and needs, and provides placement suggestions for advertisers.

[0213] ② Effect evaluation: The system evaluates the advertising placement effect to help advertisers understand the actual effect of the advertisement and user feedback.

[0214] ③ Data report: The system generates detailed data reports for advertisers to refer to and optimize their advertising placement strategies.

[0215] Step 4: Execution and management of smart contracts

[0216] h) Advertising review

[0217] ① Rule verification: The smart contract automatically verifies the legality and compliance of the advertisement content according to the preset rules to ensure that the advertisement content complies with laws, regulations and platform policies.

[0218] ② Automatic release: The approved advertisement content will be automatically released to the advertising large screen without manual intervention, improving the review and release efficiency. For advertisement content that does not conform to the rules, the smart contract will automatically prevent its release and feedback modification suggestions to the advertiser.

[0219] ③ Violation handling: For advertisement content that does not conform to the rules, the smart contract will automatically prevent its release and feedback modification suggestions to the advertiser so that it can adjust the content and resubmit for review.

[0220] i) User incentives

[0221] ①Integral distribution: The smart contract automatically distributes blockchain-based integrals according to users' interaction behaviors (such as clicks, browsing, participation in activities, etc.) to encourage users to actively participate in interactions.

[0222] ②Account management: The smart contract automatically records and manages users' integral account information to ensure the security and transparency of users' integrals.

[0223] ③Prize redemption: Users can use their integrals to redeem prizes or other services through the integral mall system within the platform, increasing user participation and loyalty.

[0224] j) Access control

[0225] ①Permission setting: The smart contract sets access permissions according to the identities and roles of different users to ensure that only authorized users can access and operate on the corresponding data. The smart contract dynamically adjusts users' access permissions according to real-time needs to ensure the flexibility and security of data access.

[0226] ②Dynamic adjustment: The smart contract dynamically adjusts users' access permissions according to real-time needs to ensure the flexibility and security of data access.

[0227] ③Permission auditing: The smart contract records all permission change operations, facilitating managers to audit and trace permission change situations at any time. Permission auditing can ensure the transparency and traceability of the system.

[0228] Step 5: Transparent data management

[0229] k) Data query

[0230] ①Data browsing: Advertisers can view ad content and interaction data in real time through the management platform to understand the ad placement effect and user interaction situation.

[0231] ②Historical records: The management platform provides a historical record query function, allowing advertisers to view past ad placements and interaction data to analyze ad effects and user behaviors.

[0232] ③Data download: The management platform allows advertisers to download detailed records of ad content and interaction data for further analysis and processing.

[0233] l) Auditing and traceability

[0234] ①Operation log recording: The smart contract automatically records access and operation logs for each time ad content and interaction data are accessed, ensuring the transparency and traceability of operations.

[0235] ②Audit analysis: Managers can conduct audit analysis on operation logs through the management platform to discover and solve potential problems.

[0236] ③ Problem tracing: Blockchain technology ensures the immutability of operation logs, allowing managers to trace the specific operations and time nodes when problems occurred, ensuring system security and data integrity.

[0237] m) Data sharing and cooperation

[0238] ① Data sharing: Advertisers can share some data with partners to jointly analyze and optimize advertising strategies. Multiple partners can jointly analyze data through the management platform to formulate more effective advertising strategies.

[0239] ② Cooperative analysis: Multiple partners can jointly analyze data through the management platform to formulate more effective advertising strategies.

[0240] ③ Joint optimization: Through data sharing and cooperation, all parties can jointly optimize advertising content and delivery strategies to improve advertising effectiveness and user satisfaction.

[0241] Example 3:

[0242] This example also provides an electronic device, including: a memory and a processor;

[0243] Among them, the memory stores computer-executable instructions;

[0244] The processor executes the computer-executable instructions stored in the memory, enabling the processor to execute the outdoor advertising large screen user interaction method based on blockchain and the Internet of Things in any embodiment of the present invention.

[0245] The processor can be a central processing unit (CPU), or can also be other general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), off-the-shelf programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The processor can be a microprocessor or the processor can also be any conventional processor, etc.

[0246] The memory can be used to store computer programs and / or modules. The processor realizes various functions of the electronic device by running or executing the computer programs and / or modules stored in the memory, and by calling the data stored in the memory. The memory mainly includes a program storage area and a data storage area. Among them, the program storage area can store an operating system, application programs required for at least one function, etc.; the data storage area can store data created according to the use of the terminal, etc. In addition, the memory can also include high-speed random access memory, and can also include non-volatile memory, such as hard disks, memory, plug-in hard disks, smart media cards (SMCs), secure digital (SD) cards, flash memory cards, at least one magnetic disk storage period, flash memory devices, or other volatile solid-state storage devices.

[0247] Example 4:

[0248] This embodiment also provides a computer-readable storage medium storing a plurality of instructions that are loaded by a processor to cause the processor to execute the method for user interaction of an outdoor advertising display screen based on blockchain and the Internet of Things according to any embodiment of the present invention. Specifically, a system or device equipped with a storage medium may be provided, on which software program codes for implementing the functions of any one of the above embodiments are stored, and the computer (or CPU or MPU) of the system or device reads and executes the program codes stored in the storage medium.

[0249] In this case, the program code read from the storage medium itself can implement the functions of any one of the above embodiments, so the program code and the storage medium storing the program code constitute a part of the present invention.

[0250] Examples of storage media for providing program codes include floppy disks, hard disks, magneto-optical disks, optical disks (such as CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-RYM, DVD-RW, DVD+RW), magnetic tapes, non-volatile memory cards, and ROMs. Alternatively, the program code may be downloaded from a server computer via a communication network.

[0251] In addition, it should be clear that not only can the functions of any one of the above embodiments be implemented by executing the program code read by the computer, but also by an operating system or the like operating on the computer based on the instructions of the program code to complete part or all of the actual operations.

[0252] In addition, it can be understood that the program code read from the storage medium is written into the memory provided in the expansion board inserted into the computer or the memory provided in the expansion unit connected to the computer, and then based on the instructions of the program code, the CPU or the like installed on the expansion board or the expansion unit executes part and all of the actual operations, so as to implement the functions of any one of the above embodiments.

[0253] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An outdoor advertising large screen user interaction method based on blockchain and the Internet of Things, characterized in that, The method is as follows: Create and publish advertisement content: Create advertisement content and conduct preliminary review through a smart contract. The advertisement content that passes the review is published on the advertisement screen to start formal delivery; Configure and authenticate the advertisement user terminal: The advertisement user terminal connects to and authenticates with the advertisement screen through a smartphone or smartwatch, enabling communication between the advertisement user terminal and the advertisement screen through a secure channel to ensure the security of data transmission; Collect and store advertisement interaction data: The advertisement screen collects users' interaction data in real time and encrypts and stores it on distributed nodes through blockchain technology; Execute and manage smart contracts: Automatically execute advertisement content review, user incentives, and access control through smart contracts; Data transparency management: View the records and history of interaction data through the advertisement user terminal and the advertisement management platform to ensure data transparency and credibility; Real-time feedback and optimization: Continuously optimize advertisement content and delivery strategies based on real-time feedback content.

2. The method for user interaction of an outdoor advertising large screen based on blockchain and the Internet of Things according to claim 1, wherein, The specific steps for creating and publishing advertisement content are as follows: Create content: Upload multimedia files such as advertisement pictures or videos through the advertisement management platform and fill in the advertisement content including the advertisement title and detailed description. At the same time, fill in the relevant advertisement information such as the delivery time and location; Preliminary review: The smart contract automatically reviews the legality and compliance of the advertisement content. After passing the review, the advertisement content is stored in the blockchain network and a unique hash value is generated; Publish advertisement content and monitor delivery, record delivery data: Monitor the delivery situation of the advertisement content in real time to ensure that the advertisement is delivered at the set time and location, and record the delivery data of the advertisement content for subsequent analysis. Among them, the delivery data of the advertisement content includes the delivery time, the number of display positions, and the number of views.

3. The method for outdoor advertising big screen user interaction based on blockchain and Internet of Things according to claim 1, characterized in that, The specific steps for configuring and authenticating the advertisement user terminal are as follows: Connect to the advertisement screen: The advertisement user terminal establishes a connection with the advertisement management platform by scanning the QR code, NFC, or Bluetooth on the advertisement screen; Identity authentication: The smart contract automatically verifies the identity of the advertisement user terminal and grants corresponding access permissions. Only users who pass identity authentication and authorization can participate in interactions and obtain integral rewards.

4. The method for user interaction of an outdoor advertising large screen based on blockchain and the Internet of Things according to claim 1, characterized in that, The specific steps for collecting and storing interaction data are as follows: Data collection: Real-time record the interaction behavior data of users' clicks, views, and participation in activities through the advertisement screen, and encrypt and store the interaction behavior data in the blockchain network; Decentralized storage: The interaction behavior data is distributed and stored on multiple nodes in the blockchain network; Data analysis: Analyze the interaction behavior data of users through the blockchain network to optimize advertisement content and delivery strategies.

5. The method for user interaction of an outdoor advertising large screen based on blockchain and the Internet of Things according to claim 1, characterized in that, The specific steps for executing and managing smart contracts are as follows: Advertisement review: The smart contract automatically reviews the legality and compliance of the advertisement content. After passing the review, the advertisement content is published on the advertisement screen; User incentives: Obtain blockchain points through interactions. The smart contract automatically records and manages users' integral accounts and provides functions such as redeeming prizes or other services; Access control: The smart contract dynamically adjusts the access permissions of users and advertisement publishers according to predefined permission policies.

6. The method for user interaction of an outdoor advertising large screen based on blockchain and the Internet of Things according to any one of claims 1-5, characterized in that, The specific steps for data transparency management are as follows: Data Browsing: Advertisers can view advertising content and interaction data in real time through the advertising management platform to obtain the advertising delivery effect and user interaction situation; and can query interaction data and integral data in real time through the advertising user terminal to obtain the participated interaction behaviors and related rewards. Auditing and Tracing: Audit and trace the operation logs of advertising content and interaction behavior data through the advertising management platform. Data Sharing and Cooperation: Achieve data sharing and cooperation through the advertising management platform. Real-time Feedback and Optimization are as follows: Real-time Feedback: When the advertising user terminal interacts with the advertisement, collect feedback data in real time and immediately transmit it to the advertiser. Continuous Optimization: Continuously optimize advertising content and delivery strategies based on real-time feedback data. User Participation: Promote the optimization of advertising content through participation in interactions and feedback.

7. An outdoor advertising large screen user interaction system based on blockchain and the Internet of Things, characterized in that, The system includes an advertising screen unit, an advertising user terminal, a blockchain network unit, a smart contract unit, and an advertising management platform. The advertising screen unit is used to interact with the advertising user terminal in real time, and at the same time display advertising content and collect user interaction behavior data. The advertising user terminal is used to interact with the advertising screen unit through a smartphone or smartwatch, and view points and exchange goods. The blockchain network unit is used to store and maintain advertising content and interaction behavior data, and improve security and reliability through blockchain technology. The smart contract unit is used to automatically execute and manage content review and user incentive mechanisms, and achieve automated and efficient operation management through smart contracts. The advertising management platform is used to publish advertising content through manual review, and conduct statistical analysis and display of the collected interaction behavior data.

8. The outdoor advertising large screen user interaction system based on blockchain and Internet of Things according to claim 7, characterized in that, The advertising screen unit includes: An interaction module, which is used to participate in advertising interactions in ways such as terminal control, touch screen, voice recognition, gesture recognition, or action recognition. A data collection module, which is used to collect interaction behavior data of users' clicks, views, and participation in activities in real time, and encrypt and store the interaction behavior data in the blockchain network unit. A display module, which is used to dynamically display personalized advertising content according to users' interaction behavior data to improve user participation and advertising effect. A communication module, which is used to communicate with user terminals through Internet of Things technology to ensure the efficiency and security of data transmission. The advertising user terminal includes: A connection module, which is used to establish a connection with the advertising management platform through QR code, NFC, or Bluetooth to achieve real-time interaction. An interaction module, which is used to interact with the advertising screen unit through a smartphone or smartwatch, and participate in activities such as voting, answering questions, or receiving coupons. A data feedback module, which is used to feedback interaction data to the blockchain network unit in real time through the advertising user terminal. A user incentive module, which is used to obtain blockchain points through interactions, exchange prizes or other services within the advertising management platform, and increase user participation and loyalty. The blockchain network unit includes: A node construction module, which is used to construct a blockchain network jointly participated by advertisers, advertising operators, advertising screen units, and advertising user terminals to ensure security and credibility. A data storage module for storing advertisement content and user interaction behavior data. The advertisement content and user interaction behavior data are stored in the distributed ledger of the blockchain to ensure the immutability of the data. Among them, the advertisement content includes the creation time, delivery time of the advertisement, and interaction behavior data. An access control module for managing the access rights of advertisement content and interaction behavior data. Flexible permission control is achieved through smart contracts, and only authorized users and advertisement publishers can access the corresponding data. An audit module for recording all operation logs of the creation, update, and viewing of advertisement content and interaction behavior data, and storing the log data in the blockchain for managers to audit and trace at any time. The smart contract unit includes: An identity authentication and authorization module for verifying the identities of user terminals and advertisement publishers, and granting access permissions according to pre-set rules. Only users and advertisement publishers who have passed identity authentication and authorization can access and operate the corresponding data. An advertisement content review module for automatically reviewing the legality and compliance of advertisement content through smart contracts, and publishing the reviewed advertisement content to the advertisement screen unit. A user incentive module for obtaining points through interactions. The relevant point data is recorded into the blockchain network. The smart contract automatically records and manages the user's point account, and provides functions such as redeeming prizes or other services. An access log recording module for automatically recording each access and operation of the creation, update, and viewing of advertisement content and interaction data through smart contracts, and storing the log data in the blockchain to ensure the transparency and traceability of operations. A notification and alarm module for setting up notification and alarm mechanisms through smart contracts. When unauthorized access attempts or critical operations with data update failures occur, the smart contract automatically sends notifications to relevant managers to ensure that problems can be discovered and solved in a timely manner.

9. An electronic device, characterized in that, It includes: A memory and at least one processor; Among them, a computer program is stored on the memory; The at least one processor executes the computer program stored in the memory, so that the at least one processor executes the method for user interaction of an outdoor advertising large screen based on blockchain and Internet of Things according to any one of claims 1 to 6.

10. A computer-readable storage medium, characterized in that, A computer program is stored in the computer-readable storage medium, and the computer program can be executed by a processor to implement the method for user interaction of an outdoor advertising large screen based on blockchain and Internet of Things according to any one of claims 1 to 6.

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