Details for Nuki encryption concept can be found here:https://nuki.io/en/blog/nuki-encryption-concept/
We understand that door locks can sometimes be confusing, and not everybody is an expert.
If you have any questions about Nuki, you can call us Mon-Fri between 8am-8pm (CET) and Sat 10am-4pm (CET).
International: +43 316 376 120
Germany / Austria: 0800 722 494 0
Switzerland: 0800 722 494