MalakaSphere is a Web3-based healthcare ecosystem that empowers patients to own and control their medical data securely. Using Decentralized Digital Identity (DID), smart contracts, and FHIR standards, it enables global data interoperability and privacy. Patients can share data transparently, earn tokens for research participation, and access healthcare services. Built with encryption and Proof of Stake, MalakaSphere promotes trust, innovation, and sustainability in global healthcare.