Smart Contract Authentication for Decentralized Brute-Force Defense
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Solution Overview
Problem
Decentralized blockchain systems face security vulnerabilities due to the inability to prevent brute force attacks on private keys, allowing malicious users to gain unauthorized access, and lack centralized authority to limit guessing attempts.
Innovation Solution
Implementing a smart contract-based authentication system that increases network usage costs for failed authentication attempts and utilizes biometric verification, such as handwriting analysis, to enhance security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If private key authentication is used in decentralized blockchain systems, then user authorization and security are improved, but the system becomes vulnerable to brute force attacks and unauthorized access
Solution Approach 1:
The patent introduces a smart contract as an intermediary layer between the user and the blockchain system. This smart contract acts as a mediator that implements additional authentication checks beyond simple private key verification, thereby maintaining the decentralized architecture while adding security measures to prevent brute force attacks
Solution Approach 2:
The system performs preliminary authentication checks through the smart contract before allowing blockchain operations. By verifying additional factors (such as transaction patterns, time constraints, or other security parameters) in advance, the system prevents unauthorized access attempts before they can compromise the private key authentication mechanism
2Object-affected harmful factors
If centralized authority is introduced to limit authentication attempts, then brute force attack prevention is improved, but the decentralized nature of the system is compromised
Solution Approach 1:
The smart contract autonomously enforces authentication attempt limits and security policies without requiring centralized control. The contract self-manages the authentication process, automatically rejecting excessive attempts and maintaining security parameters, thus achieving brute force protection while preserving system decentralization
Solution Approach 2:
The system implements feedback mechanisms where the smart contract monitors authentication attempts in real-time and dynamically adjusts its responses. When certain thresholds are exceeded, the contract automatically implements countermeasures, creating a self-regulating security system that operates without centralized intervention
3Reliability
If additional authentication checks are implemented, then security against unauthorized access is improved, but system complexity and computational overhead increase
Solution Approach 1:
The smart contract serves multiple functions simultaneously: it authenticates users, enforces attempt limits, records security events, and manages authentication state. By consolidating these diverse security functions into a single contractual framework, the system improves authentication security without proportionally increasing overall system complexity
Data Source
AI summary
In some aspects, a computing system may authenticate a user before blockchain functions may be performed and provide obstacles to prevent brute force attacks in decentralized computing systems or other distributed computing system environments. The computing system may use a smart contract to assist with authenticating a user. As authentication attempts fail, the computing system may increase a network usage cost associated with authentication. By doing so, the security of a computing system may be improved by making it cost-prohibitive for malicious actors to perform brute force attacks. Further, a computing system may use a variety of biometric information that may provide additional verification and security when authentication is performed.