Blockchain-Integrated Video Capture for Date Verification
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Solution Overview
Problem
In landlord-tenant disputes and regulatory inspections, the lack of trusted parties leads to complexity and expense in resolving issues, as evidence relies on unverified recollections, and existing methods lack efficient date verification for media files, making it difficult to establish the factual basis for dispute resolution.
Innovation Solution
The implementation of blockchain-based trustless date-verifiable video capture techniques, using distributed networks and cryptographic structures to integrate a date-verifiable random selection into video capture, ensuring the video was created after a specific date and time, and recording it on a blockchain for independent verification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional evidence collection methods are used in landlord-tenant disputes, then the process is simple and low-cost, but the evidence lacks date verification and reliability
Solution Approach 1:
The patent introduces a blockchain as an intermediary system that mediates between the video capture device and the evidence verification process. The blockchain serves as a trusted third party that records timestamps and verifies evidence without requiring direct trust between the landlord and tenant, thus improving reliability while managing complexity through a specialized intermediary layer
Solution Approach 2:
The patent replaces traditional mechanical/evidence collection methods with a cryptographic and blockchain-based system. Instead of relying on physical evidence chains and manual verification, the system uses cryptographic hashing, timestamping, and distributed ledger technology to verify evidence integrity and date accuracy, thereby improving reliability through technological substitution
2Ease of operation
If trusted parties are involved in dispute resolution, then the resolution process is straightforward, but it adds complexity and expense when trusted parties are unavailable
Solution Approach 1:
The patent enables the system to serve itself by using self-verifying cryptographic timestamps and blockchain records. The evidence automatically proves its creation date and integrity without requiring human intervention or trusted mediators, allowing the system to verify its own authenticity and reducing the need for complex trust mechanisms
Solution Approach 2:
The patent extracts the trust verification function from the dispute resolution process and embeds it directly into the evidence collection mechanism itself. By incorporating cryptographic timestamping and blockchain recording at the time of capture, the system removes the need for separate trust verification steps and trusted parties, simplifying the overall process
3Measurement precision
If existing video capture methods are used, then the process is simple, but it lacks date verification capability for media files
Solution Approach 1:
The patent performs preliminary actions by embedding cryptographic timestamps and random values into the video metadata at the moment of capture. This preliminary dating action occurs before any potential dispute arises, establishing an immutable record of when the video was created. The system prepares verification data in advance, eliminating the need for complex verification processes later while achieving precise date measurement
Data Source
AI summary
A host system may initiate a multiple node exchange of selected values to generate a random selection. The structure of the exchange may allow later verification that no single node had control of the generation of the random selection. Accordingly, the random selection may be unknown prior to the exchange. The host system may then provide the random selection to the device for integration of the random selection during the capture of video. The video may be recorded to a blockchain. Because of the integration with the random selection, the video may be date verifiable, such that the video can be verified to be created after the random selection and before recordation to the blockchain.