Blockchain Content Presentation Verification
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Solution Overview
Problem
Existing methods for proving content presentation on media channels are vulnerable to fraudulent reporting, lacking a robust and non-refutable verification mechanism.
Innovation Solution
A blockchain-based system that generates and verifies parameters using a one-way cryptographic function, embedding one parameter into content and logging proofs on a blockchain to ensure tamper-evident and easily verifiable presentation records.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional monitoring system is used to detect and report content presentations, then the system is simple to implement, but the system is vulnerable to fraudulent reporting and lacks reliability
Solution Approach 1:
The system segments the verification process into multiple independent components: content embedding with cryptographic parameters, distributed monitoring across multiple nodes, blockchain-based logging, and cryptographic verification. Each component performs a specific function, and together they create a robust verification system that prevents fraudulent reporting while maintaining reasonable complexity through modular design.
Solution Approach 2:
The patent introduces a blockchain as an intermediary ledger that mediates between content publishers and verification systems. The blockchain immutably records content presentations with cryptographic proof, serving as a trusted intermediary that eliminates the need for centralized trust while providing reliable verification. This intermediary layer resolves the contradiction by providing high reliability without requiring complex centralized monitoring infrastructure.
2Reliability
If cryptographic parameters are embedded in content and verified through blockchain, then fraudulent reporting is prevented, but the processing and verification time increases
Solution Approach 1:
The system performs preliminary actions by embedding cryptographic parameters (watermarks, identifiers, hashes) into content during the publishing process, before verification is needed. Monitoring nodes continuously scan and detect these embedded parameters, pre-processing the verification data so that when verification is required, the cryptographic validation can occur quickly against already-detected parameters rather than analyzing raw content from scratch.
Solution Approach 2:
The patent replaces manual or mechanical verification processes with automated cryptographic verification. Instead of time-consuming human review or complex mechanical analysis of content presentations, the system uses efficient cryptographic operations (hash comparison, digital signature verification) that can be performed rapidly by computers. This substitution dramatically reduces verification time while maintaining high reliability.
Data Source
AI summary
Blockchain-based proof of presentation of content on a media channel, including: generating, upon receiving a request to generate, at least first, second, and third parameters, wherein the first and second parameters are input parameters and the third parameter is calculated as an output parameter of a one-way cryptographic function; generating a first type of block by incorporating the first and third parameters into the first type of block; validating the first type of block and the blockchain; appending the first type of block to the blockchain when both the first type of block and the blockchain are declared valid; and embedding the second parameter into the content that is to be made available on the media channel to produce tainted content.