The different dispatch channels (dispatchers in nevisFIDO terminology) that can be used with to transmit the out-of-band operation: the out-of-band operation reaches the application either through a QR code, an FCM push notification or a link.
A link (Universal Link, App Links, etc.) was used for the out-of-band operation.
The Firebase Cloud Messaging (that is, a push notification) was used for the out-of-band operation.
The QR code dispatcher was used for the out-of-band operation.
The different dispatch channels (dispatchers in nevisFIDO terminology) that can be used with to transmit the out-of-band operation: the out-of-band operation reaches the application either through a QR code, an FCM push notification or a link.