Secure Data Exchange Network via Blockchain Authentication
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Solution Overview
Problem
Current internet technologies face vulnerabilities in security, trust, privacy, and authentication, particularly with the rise of IoT devices and malicious servers, leading to frequent data breaches and user concerns over data protection and identification.
Innovation Solution
A secure data exchange network that utilizes blockchain and encryption to eliminate central databases, enabling device authentication without a central point of failure, and provides secure communication through distributed ledger record keeping and multi-layered encryption methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a central database is used for data storage and authentication, then ease of operation is improved, but security and reliability deteriorate due to vulnerability to data breaches and hacking
Solution Approach 1:
The patent removes the central database from the system architecture and extracts security functions to individual device-level blockchain implementations. Each device maintains its own authentication and data storage on the blockchain, eliminating the central point of failure while preserving operational functionality through distributed peer-to-peer communication.
Solution Approach 2:
The system segments the centralized database into distributed blockchain nodes across multiple devices. Authentication and data storage are divided among individual devices rather than concentrated in a single central database, with each device maintaining independent security controls while participating in the distributed network.
2Reliability
If encryption and VPN are used to protect data, then security is improved, but device complexity increases
Solution Approach 1:
The patent implements self-service security where each device automatically performs encryption and authentication operations using its own blockchain-based credentials. The system handles security functions autonomously without requiring complex external security infrastructure or manual configuration, reducing overall system complexity while maintaining strong protection.
Solution Approach 2:
The patent combines multiple security functions (authentication, encryption, data storage, and verification) into a unified blockchain-based system. Rather than implementing separate security layers and tools, the blockchain protocol integrates these functions into a single cohesive mechanism that operates transparently across all devices.
3Reliability
If two-factor authentication is implemented, then security is improved, but ease of operation deteriorates due to increased friction in accessing services
Solution Approach 1:
The patent performs authentication actions in advance by pre-establishing cryptographic credentials and blockchain entries during device initialization. Once authenticated, devices can access services without repeated verification steps, as the blockchain-based authentication state is maintained and recognized across the network, eliminating ongoing friction while preserving security.
Solution Approach 2:
The system maintains continuous authentication state through the blockchain ledger, allowing devices to remain authenticated across multiple operations and sessions. Rather than requiring continuous verification, the blockchain provides persistent authentication records that enable uninterrupted service access while maintaining security through immutable cryptographic proofs.
Data Source
AI summary
A secure data exchange system permits device to exchange secure message keys and securely transmit messages between devices. The devices may initially exchange temporary message keys that are used to encrypt permanent message keys. In addition, devices may have pairing managed that authenticates devices. Devices may be associated with an address ledger that maintains address information and is accessible with a public ledger key, which may provide different access to address information to different paired devices. Data within the system may also be encrypted with user device keys that prevents unauthorized access to data while permitting recreation of the user device key for data backup and migration.