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  4. The virus killer: How blockchain contributes to the fight against COVID-19
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The virus killer: How blockchain contributes to the fight against COVID-19

On Jan. 30, the South China Morning Post reported that one of the largest Asian pharmaceutical companies, Zuellig, had launched a blockchain-based system to track the quality of...
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The virus killer: How blockchain contributes to the fight against COVID-19

On Jan. 30, the South China Morning Post reported that one of the largest Asian pharmaceutical companies, Zuellig, had launched a blockchain-based system to track the quality of COVID-19 vaccines. Called “eZTracker,” it allows any user to “instantly verify the provenance and authenticity” of vaccines by scanning the QR code on the package. Somewhat surprisingly, throughout the pandemic, there have not been many reports of blockchain-based products adopted by big pharma or global healthcare organizations to bolster the anti-COVID effort. Here is a rundown of the major cases of such adoption, along with possible reasons for the limited interest in blockchain among healthcare officials.

South Korea: Blockchain vaccine passports

In April 2021, the South Korean government became the first to introduce blockchain-based vaccine passports amid the COVID-19 crisis. Putting proof of vaccination on a distributed ledger ensures the authenticity of the document as many people around the world tend to counterfeit such “Green Passes,” which sometimes can secure access to restaurants, public spaces and travel.

Brazil: The National Health Data Network

Mexico: COVID-19 test certificates

Other ideas

Promoting cross-border compatibility

The problems that remain

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