SwissCovid app

All questions on this topic
How much has it cost to develop the SwissCovid app, and who is paying for it?
How is the Bluetooth technology used?
I have more than one mobile phone. Can I install the app on all my mobile phones?
Where are the servers for the SwissCovid system located?
Is the SwissCovid app barrier-free?
Has the Federal Data Protection and Information Commissioner been involved in the development of the SwissCovid app?
Is the SwissCovid app free to install and use?
What mobile phones can the SwissCovid app be installed on?
What operating system version to I need to use the SwissCovid app? Also, where can I find out what version my mobile phone has?
Who provides the Exposure Notification interface?
Can the SwissCovid app also be installed on fitness trackers and smart watches?
What is an identification code? What is a random ID?
What is the difference between a validation code and a Covidcode?
What is a private key?
Why is Bluetooth technology used?
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