Europe has been stuck with a digital approach to contact tracing tied to Bluetooth. New Zealand has been using both Bluetooth and QR-codes for a while, and have had a few cases recently. The first of those was a dedicated app user, so she offered a real-life test case in a setting where we might learn quite a lot about the functioning of the app. Given that Switzerland cannot get itself out of the Bluetooth/SwissCovid mindset, I did a Freedom of Information request to the NZ health authority to learn more.

I attach the exchange first as screenshots (it reads…

Paul-Olivier Dehaye

Mathematician. Co-founder of PersonalData.IO. Free society by bridging ideas. #bigdata and its #ethics, citizen science

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