A Novel Secure Blockchain Framework for Accessing Electronic Health Records Using Multiple Certificate Authority

Blockchain is a promising technology in the context of digital healthcare systems, but there are issues related to control accessing electronic health records. In this paper, we propose novel framework based on blockchain and multiple certificate authority that implement smart contracts access records securely. Our proposed solution provides facilities flexible policies update record or invoke policy such patient has complete authority. A approach towards certificate’s (CA) introduced design through our framework. methods overcome shortcoming security breaches faced by single scheme mechanism for securing as compared existing benchmark models. Moreover, method re-enrolment facility case user lost enrolment.