Advanced Blockchain Framework for Healthcare Records: Hyperledger Fabric with Novel Consensus and Authentication Algorithms

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P.vinayasree, Dr. A. Mallikarjuna Reddy

Abstract

This paper introduces an innovative blockchain-based architecture for managing healthcare records, utilizing Hyperledger Fabric and the Go programming language to enhance scalability, efficiency, and security. The proposed system features the Dynamic Trust Consensus Protocol (DTCP), a novel lightweight consensus mechanism designed to overcome the scalability and latency challenges of traditional approaches like DPoS and PBFT. To ensure secure and efficient data handling, it integrates the Lightweight Cryptographic Token (LCT), a new authentication algorithm that minimizes computational overhead while ensuring robust access control, and the Rapid Hash Digest (RHD), an optimized hashing algorithm that accelerates transaction validation by reducing hashing rounds. Patient data collected from IoT devices is rigorously validated and securely stored on the blockchain, with access restricted to authorized personnel through role-based authentication, ensuring compliance with privacy standards. Tailored to the specific needs of healthcare environments, this architecture delivers efficient, secure, and low-latency operations, with its real-world applicability validated through simulations and performance benchmarks.

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