Blockchain technology has emerged as a promising technology for healthcare, enabling the development of a secure, efficient, and patient-centric healthcare system. This paper examines how blockchain technology might completely change how electronic health records (EHRs) are managed and how healthcare is provided. The results underscore the noteworthy advantages that blockchain provides, such as improved security, patient empowerment, and novel opportunities for data analysis and prediction. Blockchain has the power to transform EHR administration, encourage patient autonomy, and spur innovation in the medical field.