Özet:

Abstract A distributed, decentralized ecosystem free from the necessity for a centralized authority is made possible by blockchain technology. The application of cryptographic principles ensures the security and dependability of processes. The healthcare sector is one in which blockchain technology has great promise due to the need to connect dispersed systems, enhance the accuracy of electronic medical data, and take a more patient-centric approach to healthcare systems' Electronic Healthcare Records (EHRs). A blockchain performs better in user verification and has increased the security of a healthcare database. Developing a Blockchain-based healthcare management system to provide privacy and security to patients' and doctors' data to address the overabundance of security-related concerns. This proposed system involves interactions between many medical substances. It provides security for both patients' and doctors' data. Additionally, a patient can simply and securely request medical insurance, and the insurance company can obtain verified patient data in a secure manner that prevents outside access. This proposed system uses the Python, Flask framework, TF Encrypted and MongoDB database which is available online for the system implementation. The time, memory usage and indexing time achieved for the proposed model is 9.7 ms and 9.5 Kb and 63 ms.

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