| What was already known on this topic: |
| • Blockchain has quickly become a trusted ally of healthcare institutions across the globe. |
| • The main features of blockchain that make it useful in the healthcare field are immutability, decentralization, transparency and traceability. |
| What this study added to our knowledge: |
| • Blockchain can play a crucial role in mitigating COVID-19 challenges. |
| • Blockchain applications are still immature in the fight against COVID-19. |
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