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8.4 HOW BLOCKCHAIN IS APPLICABLE FOR HEALTHCARE BIG DATA 215

Secure analysis

System interoperability

Scalability

Transparency
Healthcare Blockchain
Secure distribution
big data technology
B2B communication

Decentralization
Data consistency
Personal data security
Privacy monitoring

FIG. 8.15
Healthcare big data challenges versus blockchain opportunities.

clinics etc. However, interconnectivity and interoperability of existing medical records are not ad-
equate. Blockchain technology can increase data security and transparency in order to gain trust.
Interconnectivity can be increased many times. By achieving consensus from all parties, blockchain
technology can ensure data quality, data reliance, and stakeholder’s opinion with the same platform
[35–39]. Healthcare providers, insurance providers, and patients create policy by blockchain smart
contract.

8.4.7 IMPROVING RESEARCH AND DEVELOPMENT (R&D)
Large healthcare data, healthcare market analysis data, and genomic data are frequently analyzed.
Blockchain technology can ensure genomic and health-linked information quality can be tracked from
the generator to analyzer. Currently, biological and health data are manipulated and faked, which affects
the research quality. Collaborative research can gain more attention if stakeholders can guarantee the
excellence of the information. Blockchain technology is widely used for genomic information sharing.
Hahnel [72] proposed a technique that can ensure the security of genome data from the moment it is
sequenced.