NFT-Based Biometric Authentication Management
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Solution Overview
Problem
Biometric authentication systems lack transparency and user control over their biological and personal information, as companies managing these systems often have unclear practices regarding data usage.
Innovation Solution
An authentication system that utilizes non-fungible tokens (NFTs) to manage and authenticate user existence confirmation results, ensuring transparency and user control through decentralized distributed ledger systems, allowing users to register and manage their own biometric data securely.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If biometric authentication systems are managed by specific companies, then authentication performance is improved, but transparency and user control over biological information are worsened
Solution Approach 1:
The system segments the authentication process into multiple independent components: biometric data collection, existence confirmation result generation, NFT creation, and authentication verification. Each component operates independently with clear boundaries, allowing users to control their biological information while maintaining authentication performance through distributed processing across terminal apparatuses, management apparatuses, and blockchain networks.
2Productivity
If biometric data is centralized in company control, then authentication efficiency is improved, but system transparency and fairness are worsened
Solution Approach 1:
The system introduces multiple intermediaries to enable efficient authentication while maintaining transparency: NFTs serve as intermediaries representing existence confirmation results, blockchain networks serve as intermediaries providing decentralized verification, and management apparatuses serve as intermediaries coordinating between users and service providers. These intermediaries enable authentication efficiency without requiring centralized company control over biometric data.
3Loss of information
If users manage their own biometric information, then privacy and transparency are improved, but system complexity increases
Solution Approach 1:
The system creates simplified copies of biometric information in the form of existence confirmation results and NFTs. Instead of users directly managing complex biometric data, the system generates verifiable copies (existence confirmation results) that can be represented as standardized tokens (NFTs). These copies maintain the essential verification functionality while dramatically reducing the complexity of user management requirements.
Data Source
AI summary
A management apparatus includes: an obtaining means that obtains an existence confirmation result, which is a result of confirmation on existence of a subject; and a management means that manages the existence confirmation result in association with a non-fungible token.