 Blockchain technology has gained significant attention due to its potential applications in various fields such as data management, finance, cyber security, internet of things, IoT, healthcare, and brain research. It has been used to improve the safety and reliability of healthcare data sharing and can potentially revolutionize the way healthcare is delivered by providing personalized, authentic, and secure care. This paper reviews the current state of blockchain technology in healthcare and discusses its applications, challenges, and future prospects. This article was authored by Assad Ali Seel, Aisha Zahid Janiho, Mohamed Zahish, and others.