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Blockchain-Based Digital Contact Tracing Apps for COVID-19 Pandemic Management: Issues, Challenges, Solutions, and

Sheikh Mohammad Idrees¹, Mariusz Nowostawski¹, Roshan Jameel²

¹Department of Computer Science, Norwegian University of Science and Technology, Gjovik, Norway.

JMIR Medical Informatics

|January 5, 2021

Summary

Digital contact tracing combats COVID-19 transmission, but privacy concerns hinder adoption. Blockchain technology offers a secure, privacy-preserving solution for digital contact tracing apps, enhancing data integrity and user anonymity.

Keywords:

COVID-19 app blockchain blockchain technology contact tracing digital contact tracing privacy privacy preservation security surveillance

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Area of Science:

Public Health
Information Technology
Blockchain Technology

Background:

The COVID-19 pandemic necessitates effective transmission minimization strategies.
Digital contact tracing offers an efficient alternative to manual methods for identifying infected individuals.
Widespread adoption of digital contact tracing is limited by user concerns over data privacy and security.

Purpose of the Study:

To discuss digital contact tracing mechanisms and review existing COVID-19 applications.
To identify risks, issues, and challenges associated with current contact tracing apps.
To analyze the potential of blockchain technology in developing privacy-preserving contact tracing solutions.

Main Methods:

Review of digital contact tracing mechanisms and existing COVID-19 applications.
Analysis of privacy and security risks in current digital contact tracing apps.
Exploration of blockchain technology's properties for secure and anonymous data handling.

Main Results:

Blockchain's features like time-stamping, immutability, and encryption can enhance data accuracy and integrity.
Decentralized blockchain networks can address privacy and confidentiality concerns through user anonymity.
Blockchain integration can potentially improve the performance and efficiency of contact tracing apps.

Conclusions:

Blockchain technology presents a promising solution for privacy-preserving digital contact tracing.
Addressing user privacy concerns is crucial for the successful implementation of contact tracing strategies.
Further research and development are needed to fully leverage blockchain for pandemic response.