Decentralized Identity Management with Biometric Authentication
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Solution Overview
Problem
Blockchain environments lack a trusted method to associate identities with addresses, leading to potential fraud and inefficiencies in identity verification and reputation management.
Innovation Solution
A decentralized identity management system that utilizes biometric information for authentication, stores user identity and reputation information on a blockchain, and allows selective sharing of identity attributes with institutions, enabling secure transactions and fraud detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional identity verification methods are used in blockchain environments, then identity information can be stored and accessed, but the system cannot reliably verify the true identity of individuals or prevent fraud
Solution Approach 1:
The patent introduces a decentralized identity management system that acts as an intermediary between blockchain addresses and real-world identities. This system uses trusted entities to verify and issue digital credentials that link identities to blockchain addresses, thereby resolving the reliability issue without requiring every participant to directly verify every identity
Solution Approach 2:
The identity verification process is segmented into multiple components: identity creation, verification by trusted entities, issuance of digital credentials, and usage in transactions. This segmentation allows each component to be handled by specialized systems or entities, improving overall reliability while managing complexity through modular design
2Reliability
If decentralized identity management is implemented, then fraud detection and reputation tracking improve, but the system complexity and implementation difficulty increase
Solution Approach 1:
The patent uses digital credentials as copies of verified identity information that can be transmitted and validated without requiring access to the original verification process. These credential copies enable fraud detection and reputation tracking while simplifying implementation by using standardized, replicable data structures
Solution Approach 2:
The decentralized identity management system is designed to perform multiple functions: identity verification, fraud detection, reputation tracking, and transaction validation. This multi-functionality reduces implementation difficulty by consolidating what would otherwise require separate systems into a single unified platform
3Reliability
If comprehensive identity and reputation information is stored on blockchain, then transaction security and fraud prevention improve, but data privacy and user control concerns increase
Solution Approach 1:
The patent implements selective disclosure where users can choose which specific identity attributes to share in each transaction. Rather than exposing all identity information globally, the system allows localized sharing of only the necessary credentials for each specific interaction, thereby maintaining transaction security while protecting data privacy
Solution Approach 2:
The decentralized identity management system acts as an intermediary that holds and manages identity information, allowing users to control what information is disclosed to whom. This mediator approach enables secure transaction verification without requiring users to directly expose their full identity data to transaction counterparties
Data Source
AI summary
Techniques are described for using an identity management system. One of the methods includes providing access to a decentralized identity management system to a user. The method includes storing user identity information on the decentralized identity management system. The method includes enabling one or more other users to store reputation information associated with the user identity. The method also includes using the reputation information in a transaction with the user.