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This research aims to improve and integrate hospital’s healthcare applications with Blockchain and smart contracts technologies to provide huge and secure storage that is immutable. This application will be able to record the patients’ medical history like appointments, medical tests, etc.; As a matter of fact, these resources should be recorded to be securely retrieved, modified, and stored by an authorized party only. The utilization of these critical resources will increase the validity for participants with a high level of liability, where building a scheduling appointment system using the blockchain-based on a smart contract will enhance patients’ privacy and provides a safer method to keep data away from altering through an unofficial use. COVID-19 Coronavirus is a global disaster that requires a reliable and stable network-based application with a giant and secure platform to hold a huge number of people and …