Electronic Health Record Monitoring System and Data Security Using Blockchain Technology[J] SECURITY AND COMMUNICATION NETWORKS 2022(2022) Hasib, Kazi Tamzid Akhter Md Chowdhury, Ixion Sakib, Saadman Khan, Mohammad Monirujjaman Alsufyani, Nawal Alsufyani, Abdulmajeed Bourouis, Sami