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COVID-19 Contact Tracing Using Blockchain.

Haya R Hasan1, Khaled Salah1, Raja Jayaraman2

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PubMed
Summary
This summary is machine-generated.

This study introduces a decentralized blockchain solution for COVID-19 contact tracing, enhancing security and privacy. It offers a transparent and immutable system for pandemic response, improving upon current methods.

Keywords:
COVID-19Ethereum smart contractsblockchaincontact tracingsecurity analysistransparency

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Area of Science:

  • Computer Science
  • Public Health
  • Blockchain Technology

Background:

  • Contact tracing is crucial for controlling Coronavirus-2019 (COVID-19) transmission.
  • Existing methods lack decentralization, transparency, and security.
  • There is a need for a trustworthy and auditable contact tracing system.

Purpose of the Study:

  • To propose a decentralized blockchain-based solution for COVID-19 contact tracing.
  • To enhance trust, accountability, and transparency in pandemic response.
  • To address the limitations of current contact tracing approaches.

Main Methods:

  • Leveraging blockchain's immutable and tamper-proof features.
  • Utilizing trusted oracles for on-chain/off-chain data integration.
  • Implementing Ethereum smart contracts for on-chain transactions and logging.
  • Registering users with digital medical passports and delayed location updates for privacy.

Main Results:

  • The proposed system offers decentralized, transparent, and secure contact tracing.
  • Users' medical information is protected from invasion, hacking, or abuse.
  • The solution demonstrates effectiveness based on security, cost, and privacy evaluations.

Conclusions:

  • Blockchain technology provides a robust framework for secure and private COVID-19 contact tracing.
  • The decentralized approach enhances pandemic response capabilities.
  • The implemented solution is publicly available for further development and scrutiny.