Blockchain Data Distribution System with Smart Contract Incentives
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Solution Overview
Problem
Users are hesitant to provide data due to concerns about data leakage and lack of traceability, necessitating a method to ensure data traceability while offering benefits for data collection.
Innovation Solution
A control method for a data distribution system using multiple authentication servers with distributed ledgers, where a service server generates challenge content with incentives, creates smart contracts, and records transactions to ensure data traceability and reward users for achieving goals based on their data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If data is collected from users without ensuring traceability, then data quantity increases, but user trust and data security deteriorate
Solution Approach 1:
The patent introduces a blockchain-based distributed ledger as an intermediary between data collectors and users. This intermediary records all data transactions immutably, providing traceability without requiring direct trust between parties. The smart contracts act as automated intermediaries that enforce data usage agreements, allowing data quantity to increase while maintaining reliability through cryptographic verification of data provenance and usage.
2Reliability
If data traceability is ensured through centralized control, then data security improves, but system complexity and operational flexibility worsen
Solution Approach 1:
The patent segments the data management system into distributed nodes that independently maintain copies of the blockchain ledger. Each node validates transactions locally through consensus algorithms, eliminating the need for a single complex centralized controller. Smart contracts are segmented into modular, reusable templates that automate data usage agreements, reducing operational complexity while maintaining traceability across the distributed network.
3Productivity
If users are incentivized to provide data, then data quality and quantity improve, but data security risks worsen
Solution Approach 1:
The patent uses smart contracts as intermediaries that automatically execute data usage agreements without human intervention. These contracts encode security rules and incentives, distributing rewards to users whose data meets quality thresholds while automatically preventing unauthorized access or misuse. The blockchain ledger mediates all transactions, providing transparent audit trails that deter data leakage while maintaining high data collection efficiency through automated incentive distribution.
Data Source
AI summary
A service server generates a first smart contract programmed to be capable of executing provision of an incentive to a user when a goal indicated by generated challenge content generated is achieved, generates first transaction data including the first smart contract, and transmits the data to a first authentication server. The first authentication server executes a consensus algorithm and records the first transaction data in a distributed ledger to run the first smart contract. The first authentication server notifies a device used by the user of the challenge content. The first authentication server obtains, from the device, second transaction data including first challenge content selected to be registered by the user, and records the second transaction data in the distributed ledger by executing a consensus algorithm.