Abstract
Hospitals and public health organizations no longer have to maintain information about patients, their treatments, and diagnoses in physical ledgers as a result of the development of modern technologies. Instead, they keep a digital record on a local database, which can be centralized and has a number of effects on privacy, accessibility, security, and the possibility of data loss in the case of a natural disaster. Due to the complexity and cost of our healthcare systems, patients must go through a time-consuming documentation process to get a second opinion or send medical information abroad. Technically, the patient does not possess exclusive ownership of his records. However, blockchain technology can reduce these consequences through an improved healthcare record management system. The blockchain-based electronic health record (EHR), which stores patient medical records in a secure and decentralized digital format that can be securely shared with doctors, laboratory technicians, researchers, and other stakeholders in the healthcare industry over the Internet, is a boon to the healthcare sector. Its distinguishing features include access control of the records over the network and tracking the changes in the medical records over a trusted network. So, this work has utilized the InterPlanetary File System (IPFS) as an off-chain data storage option and public cryptography to secure the data and restrict access. The paper has developed a decentralized application (DApp) based on the Tezos blockchain network to implement the EHR management system which Liquid Proof of Stake (L-PoS) consensus process.
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Jaiswal, Y., Maurya, A., Yadav, A.K., Kumar, A. (2023). Patient-Centric Electronic Health Records Management System Using Blockchain Based on Liquid Proof of Stake. In: Tripathi, A.K., Anand, D., Nagar, A.K. (eds) Proceedings of World Conference on Artificial Intelligence: Advances and Applications. WWCA 1997. Algorithms for Intelligent Systems. Springer, Singapore. https://doi.org/10.1007/978-981-99-5881-8_3
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