Cross-Group Data Distribution With Ledger-Based Traceability
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Solution Overview
Problem
Users are hesitant to provide data due to uncertainty about how and where their data is used, leading to insufficient data collection for utilization, as traceability of data is not ensured.
Innovation Solution
A data distribution method utilizing a data distribution system with multiple authentication servers and data servers, each equipped with distributed ledgers, ensures data traceability by recording data transfer and availability in both servers' ledgers, allowing data utilization while maintaining transparency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If data is collected from users for utilization, then data quantity and utility are improved, but user trust and data security are worsened due to uncertainty about data usage and traceability
Solution Approach 1:
The patent introduces authentication servers with distributed ledgers as intermediaries between users and data servers. These authentication servers verify data transfer transactions and record them immutably in distributed ledgers, acting as a trusted mediator that ensures data traceability without requiring users to directly trust the data collection system
Solution Approach 2:
The system implements feedback mechanisms where data transfer transactions are recorded in distributed ledgers and made visible to users. This transparency allows users to trace their data flows, providing continuous feedback about data usage that builds trust while enabling continued data collection
2Adaptability or versatility
If data is transferred between different groups or platforms, then data utilization and sharing are improved, but data traceability and control are worsened due to cross-platform complexity
Solution Approach 1:
The patent creates a universal authentication server system with distributed ledgers that operates across different groups and platforms. The authentication servers and ledger structure serve multiple functions: verifying transactions within groups, facilitating cross-group data transfer, and maintaining traceability across the entire ecosystem, enabling versatile data sharing without losing control
Solution Approach 2:
The system adds a new dimension of verification and recording by introducing authentication servers and distributed ledgers as a separate layer between data servers. This additional dimension enables traceability across cross-group transactions without interfering with the existing data sharing mechanisms, allowing the system to track data flows across platforms while maintaining group-specific operations
Data Source
AI summary
In a data distribution method according to the disclosure, first authentication servers and a first data server belong to a first group, and second authentication servers and a second data server belong to a second group different from the first group. A first authentication server obtains first transaction data that includes a data obtaining request indicating a request for obtaining or referring to data pertaining to an apparatus, and records a block including the first transaction data into its distributed ledger belonging to the first group. A second authentication server obtains the first transaction data, and records the block including the first transaction data into a distributed ledger belonging to the second group. The first authentication server causes the first data server to transfer the data pertaining to the apparatus held therein to the second data server or to make such data available for reference by the second data server.