A blockchain-based interactive advertising incentive and data authorization supervision system and method

Abstract

This invention relates to the field of digital advertising and marketing technology, and discloses a blockchain-based interactive advertising incentive and data authorization supervision system and method, including an advertiser terminal, a user terminal, a blockchain notarization module, an access control module, and a smart contract module. Both the advertiser terminal and the user terminal are connected to the access control module, which in turn is connected to the smart contract module. The system abandons the traditional single display or click count of advertising and innovatively introduces a question-and-answer verification mechanism. Users must pay attention to complete the questions, and the entire process of displaying, answering, judging, and finally awarding prizes is recorded on the blockchain for notarization, fundamentally eliminating machine-generated traffic or invalid traffic. From ad creation, user interaction, question judging results to incentive flow, all key nodes are recorded with hash values ​​and a trusted timestamp through the blockchain notarization module. No party can unilaterally tamper with historical data, providing technical endorsement for the authenticity of advertising effectiveness.

Description

Technical Field

[0001] This invention relates to the field of digital advertising and marketing technology, specifically to a blockchain-based interactive advertising incentive and data authorization monitoring system and method. Background Technology

[0002] With the development of internet technology, digital advertising has become a core channel for commercial marketing. Traditional digital advertising models mainly rely on advertising network platforms or third-party monitoring agencies to count impressions and clicks, and use this as the basis for calculating advertising performance.

[0003] Traditional advertising mostly relies on single impressions or click-count methods, which struggle to capture user attention. Users often ignore ads while browsing web pages or using applications, rendering them ineffective in conveying information and significantly reducing advertising effectiveness. This hinders advertisers from achieving their marketing goals, and advertisers lack direct access to actual performance data after ad campaigns. The entire chain from ad exposure to user conversion lacks effective data tracking and verification mechanisms. Advertisers cannot intuitively understand key metrics such as ad impressions, user engagement, and conversion rates, making it difficult to accurately calculate ROI. Furthermore, data from different advertisers is often stored in the same database without effective data isolation measures, leading to the risk of data leakage between advertisers. Advertiser A might be able to access advertiser B's trade secrets and user data, seriously impacting advertiser data security and business interests. Therefore, this paper proposes a blockchain-based interactive advertising incentive and data authorization monitoring system and method. Summary of the Invention

[0004] The purpose of this invention is to provide a blockchain-based interactive advertising incentive and data authorization supervision system and method to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a blockchain-based interactive advertising incentive and data authorization supervision system, comprising an advertiser terminal, a user terminal, a blockchain notarization module, an access control module, and a smart contract module; Both the advertiser's end and the user's end are connected to the permission control module, the permission control module is connected to the smart contract module, the smart contract module is connected to the blockchain evidence storage module, and the blockchain evidence storage module is connected to both the advertiser's end and the user's end. The advertiser's side is used by advertisers to create advertising campaigns, set interactive questions, and manage incentive assets. The user terminal is used for users to scan QR codes to access advertisements, participate in interactive quizzes, and receive and redeem incentives. The blockchain evidence storage module is used to store the entire process of advertising creation, user answering process, judgment results, incentive distribution records, and verification records on the blockchain for evidence storage. The access control module is used to manage the data access permissions of advertisers and users in the system, implement the strategy of data isolation by ad ID, and record the user's data authorization information; The smart contract module is used to automatically execute the logic of answer judgment, incentive distribution and verification according to preset rules.

[0006] Preferably, the advertiser's terminal includes an ad creation unit, an asset management unit, and a data monitoring dashboard unit; The advertisement creation unit is connected to the asset management unit, and the asset management unit is connected to the data monitoring dashboard unit; The advertisement creation unit is used to support advertisers in uploading materials and setting up a three-choice question template containing the correct answers; The asset management unit is used to manage the advertising incentive fund pool or batches of vouchers; The data monitoring dashboard unit is used to provide advertisers with a read-only view interface for viewing advertising data.

[0007] Preferably, the user terminal includes a QR code scanning entry unit, a question-answering interaction unit, an incentive receiving unit, and an in-store verification unit; The QR code scanning entry unit is connected to the question-answering interaction unit, the question-answering interaction unit is connected to the incentive receiving unit, and the incentive receiving unit is connected to the in-store verification unit. The QR code entry unit is used to trigger the advertising interaction process; The question-answering interaction unit is used to display the questions and receive user selections; The incentive receiving unit is used to receive cash red envelopes or consumer vouchers; The in-store verification unit is used for offline scenario display and verification of vouchers.

[0008] Preferably, the blockchain evidence storage module includes an advertisement creation evidence storage unit, a behavior data unit, a judgment result unit, an incentive circulation unit, and a timestamp service unit; The advertisement creation and storage unit is connected to the behavior data unit, the behavior data unit is connected to the judgment result unit, the judgment result unit is connected to the incentive circulation unit, and the incentive circulation unit is connected to the timestamp service unit. The advertisement creation and storage unit is used to solidify the initial rules of the advertisement; The behavioral data unit is used to record the user's question-answering interaction process; The judgment result unit is used to store the judgment output of the smart contract; The incentive circulation unit is used to record the entire lifecycle of incentive issuance and write-off; The timestamp service unit is used to provide a reliable timestamp for all evidence-stored data.

[0009] Preferably, the formula for calculating the judgment result (R) in the judgment result unit is as follows: ; in, The correct answer pre-set for advertisers.

[0010] Preferably, the access control module includes an identity authentication unit, a data isolation unit, and an authorization monitoring unit; The identity authentication unit is used to allocate and manage digital identities; The data isolation unit is used to achieve strict data isolation between different ad IDs, ensuring that the data cannot be viewed, modified, or deleted across ads; The authorized supervision unit is used to record the authorization of users' use of personal data on the blockchain.

[0011] Preferably, the access control determination formula in the data isolation unit is as follows: ; Here, Role is the role of the requester, and OwnedAds (Role) is the set of ad IDs that the role is authorized to access.

[0012] Preferably, the smart contract module includes an automatic judgment unit, an incentive distribution unit, and a verification unit; The automatic judgment unit is used to compare the user's answer with the preset correct answer; The incentive distribution unit is used to automatically distribute incentives after the question is judged to be correct; The verification unit is used to verify the validity of the voucher and update its verification status.

[0013] Preferably, the formula for calculating the payout amount in the incentive distribution unit is as follows:

[0014] Where Amt is the incentive amount set by the advertiser for a single transaction, and R... pool This represents the current balance of the funds pool.

[0015] This invention also provides a method for a blockchain-based interactive advertising incentive and data authorization monitoring system, comprising the following steps: S1. Advertisers create ads and set up three-choice questions through the advertiser's platform; S2. Advertisement display: Users scan a QR code on their mobile devices to access the quiz. S3. After the user submits the answer, the smart contract module automatically judges the question and only enters the prize distribution logic when the judgment result is correct. S4. The judging results and award records are stored on the blockchain by the blockchain evidence storage module. S5. Distribute cash red envelopes or consumption vouchers to users; S6. In-store verification, and the verification record is stored on the blockchain by the blockchain evidence storage module. S7. Advertisers log in to the advertiser's client and view their own advertising data in read-only mode through the data monitoring dashboard unit. S8, the access control module ensures that data is isolated by ad ID, and cannot be viewed, modified, or deleted across ads.

[0016] Compared with the prior art, the present invention, employing the above technical solution, has the following technical effects: First, the system abandons the traditional advertising approach of simply displaying ads or counting clicks. It innovatively introduces a question-and-answer verification mechanism, requiring users to pay attention to complete the questions. The entire process—from displaying ads, answering questions, judging them, to awarding prizes—is recorded on the blockchain for verification. This fundamentally eliminates machine-generated traffic or invalid traffic. From ad creation, user interaction, question-and-answer results to incentive distribution, all key nodes record hash values ​​and add trusted timestamps through the blockchain verification module. No party can unilaterally tamper with historical data, providing technical assurance for the authenticity of the advertising effect.

[0017] Second, through the data isolation unit of the access control module, the system strictly implements the isolation strategy by advertising ID, and the data between different advertisers is completely physically isolated to ensure that trade secrets are not leaked. This truly ensures that advertiser A cannot snoop on any of advertiser B's data. Users' personal data must be authorized before use, and the authorization record is stored on the blockchain. This not only complies with increasingly strict data privacy regulations, but also allows users to truly take control of their own data and build users' trust in the brand.

[0018] Third, the system connects the entire chain from ad exposure to in-store redemption. Advertisers can intuitively see the exposure volume, correct answer rate, amount distributed and redemption rate through the data monitoring dashboard, calculate the return on investment, and convert advertising fees into real in-store traffic or user conversion. The smart contract module replaces manual reconciliation and review, automatically judges questions, automatically distributes incentives, and automatically verifies redemption, which greatly reduces the cost of manual operation and avoids human error or subjective bias, achieving efficient and fair automated marketing.

[0019] Fourth, the authenticity of the sequence of events is ensured through the timestamp service unit. When disputes arise between advertisers and agents, or between users and merchants regarding incentive distribution or performance evaluation, the on-chain evidence data can serve as an objective and impartial basis for adjudication. The distribution formula of the incentive distribution unit strictly verifies the balance of the fund pool to ensure the safety of fund transfer. Every incentive distribution and reimbursement is traceable, achieving transparency and trustworthy management of financial data. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the module connection of the present invention; Figure 2 This is a schematic diagram of the connection of the advertiser terminal unit of the present invention; Figure 3 This is a schematic diagram of the user terminal unit connection of the present invention; Figure 4 This is a schematic diagram of the connection of the access control module of the present invention; Figure 5 This is a schematic diagram of the smart contract module of the present invention; Figure 6 This is a schematic diagram of the blockchain evidence storage module of the present invention. Detailed Implementation Example

[0022] Please see Figure 1-6 This invention provides a technical solution: a blockchain-based interactive advertising incentive and data authorization supervision system, including an advertiser terminal, a user terminal, a blockchain evidence storage module, an access control module, and a smart contract module; both the advertiser terminal and the user terminal are connected to the access control module, the access control module is connected to the smart contract module, the smart contract module is connected to the blockchain evidence storage module, and the blockchain evidence storage module is connected to both the advertiser terminal and the user terminal. The advertiser's side is used by advertisers to create advertising campaigns, set interactive questions, and manage incentive assets. The advertiser's side includes an ad creation unit, an asset management unit, and a data monitoring dashboard unit. The ad creation unit is connected to the asset management unit, and the asset management unit is connected to the data monitoring dashboard unit. The Ad Creation Unit allows advertisers to upload creative materials and set up a three-choice quiz template containing the correct answers. Advertisers upload their creative materials here, which include images, text, and videos, and set up interactive quiz content. The system features a three-choice quiz template where advertisers can preset questions, options, and corresponding correct answers.

[0023] The asset management unit is used to manage the advertising incentive fund pool or voucher batches. Advertisers inject incentive funds into advertising campaigns or create consumer voucher batches. The asset management unit interfaces with the smart contract module to ensure that the incentive pool has sufficient funds.

[0024] The Data Monitoring Dashboard unit provides advertisers with a read-only view of advertising data. After logging in through the dedicated authorized interface / account, advertisers can view their own ads' exposure, quiz accuracy, disbursement amount, and redemption quantity.

[0025] In the data monitoring dashboard unit, the formula for calculating the campaign redemption rate (CR) is as follows: ; Where, N redeemed N represents the number of vouchers redeemed. issued This represents the total number of vouchers issued.

[0026] The user terminal is used for users to scan codes to access advertisements, participate in quiz interactions, and receive and redeem incentives. The user terminal includes a code scanning entry unit, a quiz interaction unit, an incentive receiving unit, and an in-store redemption unit. The code scanning entry unit is connected to the quiz interaction unit, the quiz interaction unit is connected to the incentive receiving unit, and the incentive receiving unit is connected to the in-store redemption unit. The QR code entry unit is used to trigger the advertising interaction process; users scan the QR code on the advertisement carrier with their mobile devices to trigger the advertising interaction process. The question-and-answer interaction unit is used to display questions and receive user selections; it displays three preset questions from advertisers, receives user selection input, and records the answers, including user identifier, answer, and timestamp, and sends them to the backend. The incentive receiving unit is used to receive cash red envelopes or consumer vouchers; if the incentive is a cash red envelope, it connects to an e-wallet; if it is a consumer voucher, it generates a QR code or voucher code and stores it on the user's end. The in-store verification unit is used to display and verify vouchers in offline scenarios. Users display the voucher code at offline stores for merchants to scan, triggering a verification request.

[0027] The blockchain evidence storage module is used to record the entire process of ad creation, user answering, judgment results, incentive distribution records, and verification records on the blockchain. The blockchain evidence storage module includes an ad creation evidence storage unit, a behavior data unit, a judgment result unit, an incentive circulation unit, and a timestamp service unit. The ad creation evidence storage unit is connected to the behavior data unit, the behavior data unit is connected to the judgment result unit, the judgment result unit is connected to the incentive circulation unit, and the incentive circulation unit is connected to the timestamp service unit. An ad creation and storage unit is used to solidify the initial rules of the ad; the hash value of the ad content, title settings, and incentive rules created by the advertiser is stored on the blockchain to ensure that the initial rules have not been tampered with. The behavioral data unit is used to record the user's question-answering interaction process; the user's question-answering process, including interaction time, IP information, etc., is stored on the blockchain as proof of the user's attention expenditure; The judgment result unit is used to store the judgment output of the smart contract; it receives the judgment output of the smart contract module and puts the "correct / incorrect" result and its logical basis on the blockchain; The formula for calculating the judgment result (R) in the judgment result unit is as follows: ; in, The correct answer pre-set for advertisers.

[0028] The incentive circulation unit is used to record the entire lifecycle of incentive issuance and redemption; it records the entire lifecycle of incentive issuance, from the advertiser account to the user account and the redemption user's use in the store. The timestamp service unit is used to provide a trusted timestamp for all evidence-stored data and an authoritative timestamp for all on-chain data, ensuring the authenticity of the order of events.

[0029] The access control module is used to manage the data access permissions of advertisers and users in the system, implement the strategy of data isolation by ad ID, and record the user's data authorization information; the access control module includes an identity authentication unit, a data isolation unit, and an authorization supervision unit; The identity authentication unit is used to allocate and manage digital identities; it authenticates the identities of advertisers, ordinary users, merchants, and redeemers, and assigns digital identity identifiers. The data isolation unit is used to strictly isolate data between different ad IDs, ensuring that data cannot be viewed, modified, or deleted across ads; data is strictly isolated by ad ID. Any access request requires permission verification to ensure that advertiser A cannot view advertiser B's data, and that all data is immutable and undeletable.

[0030] The authorized monitoring unit is used to record users' authorization for the use of their personal data on the blockchain, including the scope of authorization for their personal data such as answer preferences and geographical location. For example, a user can authorize that their answer data is only used for this incentive settlement and cannot be used for other business analysis; this authorization certificate is recorded on the blockchain.

[0031] The formula for calculating access control decisions in a data isolation unit is as follows: ; Here, Role is the role of the requester, and OwnedAds (Role) is the set of ad IDs that the role is authorized to access.

[0032] The smart contract module is used to automatically execute the logic of answer judgment, incentive distribution, and verification according to preset rules; the smart contract module includes an automatic judgment unit, an incentive distribution unit, and a verification unit; The automatic question-judging unit compares the user's answers with preset correct answers. Upon receiving the user's answer data, it automatically compares the user's answer with the advertiser's preset correct answers. Only a correct answer triggers the subsequent prize-giving logic. The incentive distribution unit automatically distributes incentives after a question is judged as correct; it also automatically executes the reward distribution logic after a question is judged as "correct." Depending on the incentive type, it calls the payment interface or generates a voucher, and broadcasts the distribution record to the blockchain notarization module.

[0033] The formula for calculating the payout amount in the incentive distribution unit is as follows:

[0034] Where Amt is the incentive amount set by the advertiser for a single transaction, and R... pool This represents the current balance of the funds pool.

[0035] The verification unit is used to verify the validity of vouchers and update their verification status. When a verification request is received, it verifies the validity of the voucher, whether it is within the validity period and whether it has not been used. After the verification is successful, it updates the status to "verified" and puts the verification record on the blockchain.

[0036] This invention also provides a method for a blockchain-based interactive advertising incentive and data authorization monitoring system, comprising the following steps: S1. Advertisers create ads and set up three-choice questions through the advertiser's platform; S2. Advertisement display: Users scan a QR code on their mobile devices to access the quiz. S3. After the user submits the answer, the smart contract module automatically judges the question and only enters the prize distribution logic when the judgment result is correct. S4. The judging results and award records are stored on the blockchain by the blockchain evidence storage module. S5. Distribute cash red envelopes or consumption vouchers to users; S6. In-store verification, and the verification record is stored on the blockchain by the blockchain evidence storage module. S7. Advertisers log in to the advertiser's client and view their own advertising data in read-only mode through the data monitoring dashboard unit. S8, the access control module ensures that data is isolated by ad ID, and cannot be viewed, modified, or deleted across ads.

[0037] In summary, the system abandons the traditional advertising approach of simply displaying ads or counting clicks. Instead, it innovatively introduces a quiz verification mechanism, requiring users to pay attention and complete the quiz. The entire process—from ad display and answering to judging and finally awarding prizes—is recorded on the blockchain for verification, fundamentally eliminating machine-generated traffic or invalid traffic. From ad creation, user interaction, quiz results to incentive distribution, all key nodes record hash values ​​and add trusted timestamps through the blockchain verification module. No party can unilaterally tamper with historical data, providing technical assurance for the authenticity of the advertising effect.

[0038] Through the data isolation unit of the access control module, the system strictly implements the isolation strategy by ad ID, ensuring that the data between different advertisers is completely physically isolated, thus preventing the leakage of trade secrets. This truly ensures that advertiser A cannot access any of advertiser B's data. Users' personal data must be authorized before use, and the authorization record is stored on the blockchain. This not only complies with increasingly stringent data privacy regulations but also allows users to truly control the sovereignty of their own data, building users' trust in the brand.

[0039] The system connects the entire chain from ad exposure to in-store redemption. Advertisers can intuitively see the exposure volume, correct answer rate, amount distributed and redemption rate through the data monitoring dashboard, calculate the return on investment, and convert advertising fees into real in-store traffic or user conversion. The smart contract module replaces manual reconciliation and review, automatically judges questions, automatically distributes incentives, and automatically verifies redemption, which greatly reduces the cost of manual operation and avoids human error or subjective bias, achieving efficient and fair automated marketing.

[0040] The timestamp service unit ensures the authenticity of the sequence of events. When disputes arise between advertisers and agents, or between users and merchants regarding incentive distribution or performance evaluation, the on-chain evidence data can serve as an objective and impartial basis for adjudication. The incentive distribution unit's distribution formula strictly verifies the balance of the fund pool to ensure the safety of fund transfers. Every incentive distribution and reimbursement is traceable, achieving transparency and trustworthy management of financial data.

[0041] Those skilled in the art will understand that the features described in the various embodiments and / or claims of the present invention can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention can be combined or combined in various ways without departing from the spirit and teachings of the present invention. All such combinations and / or combinations fall within the scope of the present invention.

Claims

1. A blockchain-based interactive advertising incentive and data authorization monitoring system, characterized in that, It includes the advertiser's side, the user's side, the blockchain notarization module, the access control module, and the smart contract module; Both the advertiser's end and the user's end are connected to the permission control module, the permission control module is connected to the smart contract module, the smart contract module is connected to the blockchain evidence storage module, and the blockchain evidence storage module is connected to both the advertiser's end and the user's end. The advertiser's side is used by advertisers to create advertising campaigns, set interactive questions, and manage incentive assets. The user terminal is used for users to scan QR codes to access advertisements, participate in interactive quizzes, and receive and redeem incentives. The blockchain evidence storage module is used to store the entire process of advertising creation, user answering process, judgment results, incentive distribution records, and verification records on the blockchain for evidence storage. The access control module is used to manage the data access permissions of advertisers and users in the system, implement the strategy of data isolation by ad ID, and record the user's data authorization information; The smart contract module is used to automatically execute the logic of answer judgment, incentive distribution and verification according to preset rules.

2. The blockchain-based interactive advertising incentive and data authorization monitoring system according to claim 1, characterized in that, The advertiser's end includes an ad creation unit, an asset management unit, and a data monitoring dashboard unit; The advertisement creation unit is connected to the asset management unit, and the asset management unit is connected to the data monitoring dashboard unit; The advertisement creation unit is used to support advertisers in uploading materials and setting up a three-choice question template containing the correct answers; The asset management unit is used to manage the advertising incentive fund pool or batches of vouchers; The data monitoring dashboard unit is used to provide advertisers with a read-only view interface for viewing advertising data.

3. The blockchain-based interactive advertising incentive and data authorization monitoring system according to claim 2, characterized in that, The user terminal includes a QR code scanning entry unit, a question-answering interaction unit, an incentive receiving unit, and an in-store verification unit; The QR code scanning entry unit is connected to the question-answering interaction unit, the question-answering interaction unit is connected to the incentive receiving unit, and the incentive receiving unit is connected to the in-store verification unit. The QR code entry unit is used to trigger the advertising interaction process; The question-answering interaction unit is used to display the questions and receive user selections; The incentive receiving unit is used to receive cash red envelopes or consumer vouchers; The in-store verification unit is used for offline scenario display and verification of vouchers.

4. The blockchain-based interactive advertising incentive and data authorization monitoring system according to claim 1, characterized in that, The blockchain evidence storage module includes an advertisement creation evidence storage unit, a behavior data unit, a judgment result unit, an incentive circulation unit, and a timestamp service unit. The advertisement creation and storage unit is connected to the behavior data unit, the behavior data unit is connected to the judgment result unit, the judgment result unit is connected to the incentive circulation unit, and the incentive circulation unit is connected to the timestamp service unit. The advertisement creation and storage unit is used to solidify the initial rules of the advertisement; The behavioral data unit is used to record the user's question-answering interaction process; The judgment result unit is used to store the judgment output of the smart contract; The incentive circulation unit is used to record the entire lifecycle of incentive issuance and write-off; The timestamp service unit is used to provide a reliable timestamp for all evidence-stored data.

5. A blockchain-based interactive advertising incentive and data authorization monitoring system according to claim 4, characterized in that, The formula for calculating the judgment result (R) in the judgment result unit is as follows: ； in, The correct answer pre-set for advertisers.

6. The blockchain-based interactive advertising incentive and data authorization monitoring system according to claim 1, characterized in that, The access control module includes an identity authentication unit, a data isolation unit, and an authorization monitoring unit; The identity authentication unit is used to allocate and manage digital identities; The data isolation unit is used to achieve strict data isolation between different ad IDs, ensuring that the data cannot be viewed, modified, or deleted across ads; The authorized supervision unit is used to record the authorization of users' use of personal data on the blockchain.

7. A blockchain-based interactive advertising incentive and data authorization monitoring system according to claim 6, characterized in that, The access control determination formula in the data isolation unit is as follows: ； Here, Role is the role of the requester, and OwnedAds (Role) is the set of ad IDs that the role is authorized to access.

8. The blockchain-based interactive advertising incentive and data authorization monitoring system according to claim 1, characterized in that, The smart contract module includes an automatic judgment unit, an incentive distribution unit, and a verification unit. The automatic judgment unit is used to compare the user's answer with the preset correct answer; The incentive distribution unit is used to automatically distribute incentives after the question is judged to be correct; The verification unit is used to verify the validity of the voucher and update its verification status.

9. A blockchain-based interactive advertising incentive and data authorization monitoring system according to claim 8, characterized in that, The formula for calculating the payout amount in the incentive distribution unit is as follows: ； Where Amt is the incentive amount set by the advertiser for a single transaction, and R... pool This represents the current balance of the funds pool.

10. A method for a blockchain-based interactive advertising incentive and data authorization monitoring system according to any one of claims 1-9, characterized in that, Includes the following steps: S1. Advertisers create ads and set up three-choice questions through the advertiser's platform; S2. Advertisement display: Users scan a QR code on their mobile devices to access the quiz. S3. After the user submits the answer, the smart contract module automatically judges the question and only enters the prize distribution logic when the judgment result is correct. S4. The judging results and award records are stored on the blockchain by the blockchain evidence storage module. S5. Distribute cash red envelopes or consumption vouchers to users; S6. In-store verification, and the verification record is stored on the blockchain by the blockchain evidence storage module. S7. Advertisers log in to the advertiser's client and view their own advertising data in read-only mode through the data monitoring dashboard unit. S8, the access control module ensures that data is isolated by ad ID, and cannot be viewed, modified, or deleted across ads.

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