Abstract
The Personal health record system (PHR system) which stores health-records patient's information. PHR system allows the one Hospital to manage and share his/her data with selected other individuals. The originality or tamper resistance feature is crucial for PHR system because it contains sensitive information about patients. Blockchain technology with the personal blockchain becomes a potential, great solution due to its immutability properties. Unfortunately. This work aims to propose a blockchain-based PHR model. The proposed model is built using the Hyper-ledger Fabric concept to support a tamper resistance feature. Re-encryption and other cryptographic techniques Such as Advanced Encryption Standard and Hashing algorithms are employed to preserve privacy. The proposed model include flexible access control, security concerns, auditability. A detailed security analysis of our model shows that the it is provably secure for Security and privacy preserving.
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