It uses Bluetooth to find people nearby, and records their randomised id
Each randomised id is associated with a phone no
Link between id and phone is with ministry of health, so stealing the logs is not useful
Finally, you only asked to share data if you came in contact with a known case.
I guess you can choose not to share / say app got removed, but it is self-defeating; you really want to know details and who else is in danger
This is war-like effort, so keeping Bluetooth on is small price to pay
[1] https://medium.com/@frankvolkel/tracetogether-under-the-hood...
It uses Bluetooth to find people nearby, and records their randomised id
Each randomised id is associated with a phone no
Link between id and phone is with ministry of health, so stealing the logs is not useful
Finally, you only asked to share data if you came in contact with a known case.
I guess you can choose not to share / say app got removed, but it is self-defeating; you really want to know details and who else is in danger
This is war-like effort, so keeping Bluetooth on is small price to pay
[1] https://medium.com/@frankvolkel/tracetogether-under-the-hood...