Randomized trial shows improved data management in IoMT, indicating enhanced security and auditability.
Key Points
This research aims to address security challenges in the Internet of Medical Things by proposing a blockchain-enabled data management system.
Developed a multi-layered architecture for data management comprising data, network, consensus, contract, and application layers.
Employed RAFT for ledger commitment, SHA256 hashing and RSA digital signatures for integrity verification, and a hybrid RBAC-based authorization model.
Evaluated performance under a standardized workload of 10,000 health-data transactions across 4-10 consortium nodes.
Achieved a throughput of 260-480 transactions per second and an average query latency of 45-65 ms.
Throughput decreased with an increasing number of nodes but remained below 65 ms for query latency across all configurations.
Proposed framework supports integrity-protected and access-controlled IoMT data management.