A REGULATION-COMPLIANT BLOCKCHAIN-BASED ARCHITECTURE FOR SECURE AND INTEROPERABLE PUBLIC HEALTHCARE SYSTEMS

Abstract: The quick adoption of health care systems digitization has done a significant part in the creation and distribution of delicate medical information among hospitals, labs, and other public health organizations. The majority of the current healthcare systems though are founded on centralized systems that have critical problems of data security, privacy, interoperability and compliance to regulations. This can lead to incomplete medical records, ineffective transfer of information and more vulnerability towards cyber attacks. To address these issues, the given paper will suggest a blockchain-based architecture in healthcare that will guarantee the safety, transparency, and compatibility of data exchange. The combination of the Electronic Health Record (EHR) systems and blockchain technology will allow the sharing of patient data between government agencies, laboratories, and healthcare providers in a secure environment, which is proposed to be enabled through the mentioned combination. Smart contracts can be implemented in the authority of data sharing, enforce data-access control policies, and meet the healthcare regulations. The blockchain design, which is decentralized and immutable, improves the integrity of data, increases its transparency, and is auditable and gives patients more power over their medical records. The suggested system is assessed through a Python-based simulation model that works through medical transactions distributed among network nodes. Important performance metrics such as data integrity, throughput and latency are used to measure performance of the system. The experimental outcomes suggest that the suggested blockchain-based architecture has a significant positively impactful effect on the interoperability level, the latency level, and the data safety levels compared to the traditional centralized healthcare systems.

Keywords: Blockchain, Decentralized Healthcare Architecture, Electronic Health Records (EHR), Healthcare Data Governance, Healthcare Interoperability, Smart Contracts