Measurement Data Transaction System with Contract Verification
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Solution Overview
Problem
Existing electronic payment systems do not facilitate transactions involving information as a target, and there is a lack of methods to realize information transactions, despite proposals for utilizing information.
Innovation Solution
A system that collects measurement data from equipment, registers contract terms for data disclosure, judges contract conclusion, discloses data, and processes charges based on contract terms, using a distributed ledger to manage data and record hash values, with the option to set disclosure flags and determine unit prices through auction systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If measurement data is disclosed to contractors, then information utility is improved, but data security and user control deteriorate
Solution Approach 1:
The system performs preliminary actions by obtaining user consent and registering contract terms before disclosing measurement data to contractors. The contract term registration unit stores predefined terms including disclosure conditions, usage purposes, and periods, ensuring that data is only disclosed when all contractual conditions are met, thus maintaining security while enabling information utility.
Solution Approach 2:
The system introduces an intermediary mechanism through the contract term registration unit and judgement unit that mediates between users and contractors. This intermediary verifies contract conclusions and controls data disclosure based on registered terms, acting as a trusted third party that ensures both information flow and security requirements are satisfied.
2Reliability
If contract terms are registered and verified, then transaction reliability is improved, but system complexity deteriorates
Solution Approach 1:
The system segments the contract management process into distinct functional units: the contract term registration unit that stores predefined terms, the judgement unit that verifies contract conclusions, and the data disclosure unit that executes disclosure. This segmentation allows each unit to perform its specific function reliably while keeping the overall system manageable through modular design.
Solution Approach 2:
The system uses copying by storing contract terms as registrable data that can be replicated and verified across the system. The judgement unit compares the actual contract conclusion against the registered term copy to verify authenticity, ensuring reliability without requiring complex verification protocols for each individual transaction.
3Ease of operation
If data is disclosed based on contract conclusions, then information accessibility is improved, but risk of unauthorized disclosure deteriorates
Solution Approach 1:
The system performs preliminary verification by having the judgement unit confirm that a contract has been properly concluded before the data disclosure unit releases any measurement data. This preliminary check ensures that only authorized disclosures occur, maintaining accessibility while preventing unauthorized access through pre-validated contractual authorization.
Solution Approach 2:
The system implements feedback through the judgement unit that continuously monitors whether contract terms are satisfied before allowing data disclosure. This feedback mechanism ensures that data accessibility is granted only when proper contractual conditions are met, creating a closed-loop control system that prevents unauthorized disclosure while maintaining ease of legitimate access.
Data Source
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AI summary
Provided is a system comprising a data collection unit configured to collect, from equipment capable of acquiring measurement data obtained by measuring physical quantities of a measurement target, the measurement data, a contract term registration unit configured to register a term of a contract to disclose the measurement data to a contractor, a judgement unit configured to judge whether the contract has been concluded, a data disclosure unit configured to disclose the measurement data to the contractor in response to conclusion of the contract, and a charging processing unit configured to perform processing for charging an amount according to a consideration for disclosure of the measurement data to the contractor, based on the term of the contract.