2.2 Limitations of Existing Projects
Several blockchain-based projects have sought to address issues in the healthcare data ecosystem but have fallen short in solving fundamental problems. Notable examples include MediBloc, Medicalchain, and Guardtime Health. Although each project showcased unique strengths, they encountered various challenges during implementation.
a. MediBloc MediBloc aimed to enhance data transparency and security using blockchain technology, focusing on a patient-centric healthcare data platform. However, challenges in interoperability and standardization among hospitals significantly limited the platform's effectiveness. Additionally, the complexity of complying with diverse global healthcare regulations hindered its scalability.
b. Medicalchain Medicalchain developed a blockchain platform enabling patients to securely store and share data with medical institutions and research centers. However, its complex authentication processes and data management structures detracted from user experience, leading to low adoption rates. Furthermore, the platform lacked economic incentives for patients, undermining its ability to foster a sustainable patient-centered ecosystem.
c. Guardtime Health Guardtime Health successfully implemented blockchain technology to ensure data integrity, notably within Estonia’s e-Health system. Over 99% of the population has complete control of their digital medical records, secured by the Keyless Signature Infrastructure (KSI) blockchain. However, the platform lacked reward systems to encourage broader user participation and faced scalability challenges in adapting to different healthcare systems and regulations globally.
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