Yes, it does work without an permanent internet connection. The whole point of this app is to be decentralized. No data is uploaded unless you share your sent t

Yes, it does work without an permanent internet connection. The whole point of this app is to be decentralized. No data is uploaded unless you share your sent tokens if you are infected. This requires an approval from the health departments to prevent abuse. The apps download the tokens of infected persons and check if they had contact locally on the device.