COVID vaccination passports have proven highly controversial during the coronavirus pandemic due to issues related to civil liberties or their potential to discriminate against vaccine reluctant groups in society.

But as many governments around the world press ahead with their implementation to curb the spread of COVID-19, the security of our data has become a major concern.

[Photo: Mat Napo/Unsplash]

Many COVID passports work by creating a QR code or 2D barcode for each user that can be scanned as proof of vaccination. The barcodes used in some of these passports are not as secure as they are not generated with encrypted data. However, they could be secured if national governments, international organizations, and global technology companies work together to make the most of the exciting opportunities this technology can offer.

Embedded in the barcode is a verifiable ID that proves the vaccination status, as well as a number of personal …

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