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Personalausweis (nPA) is the German national ID card. nPA supports electronic identity verification. It can be used for online authentication, as it includes an RFID chip that can be read by:

A card reader on a desktop computer via the AusweisApp2 desktop application(opens new window)
The standalone AusweisApp2 mobile app(opens new window)
Integrating the Ausweisapp2 SDK (opens new window)into your existing mobile app.
In all cases, you can use nPA for authentication and identity verification, but the latter two require an NFC-capable mobile device.

Governikus GK (opens new window)delivers AusweisApp2. The service supplier of the Governikus infrastructure is Bundesdruckerei (BDR) (opens new window).