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US firm combines nanotechnology, blockchain for COVID-19 immunity passports

coronavirus test covid-19

U.S.-based quantum dot producer Quantum Materials Corp (QMC) announced its blockchain-based QDX HealthID for transparency in disease testing and immunization for infectious diseases. The goal is to ensure the authenticity of health data and support individuals to re-join the workforce quickly.

Quantum dots are nanoparticles made up of semiconductor materials that emit different colors when illuminated by light. This color depends on their size and the way they were manufactured. QMC has developed a track and trace solution using quantum dots and blockchain to verify the origin of products and counterfeiting.

The authentication solution is combined with QDX HealthID for monitoring and tracking the outbreaks of diseases, such as the COVID-19. The solution authenticates individuals being tested, the persons administering the test, and the test kits.  Update: the COVID-19 solution uses the same authentication, but at this stage does not use quantum dots on packaging.

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