 Blockchain technology is one of the most significant innovations of our time. It has been applied to numerous industries, including healthcare, where it can be used to improve patient safety, reduce costs, and increase transparency. This paper reviews the current state of blockchain-based healthcare technologies and their applications, highlighting key areas for further research. This article was authored by Syedna Mikeser, N. D. Manaruzaman, Abdul Salam Yasin, and others.