No. The ZERO works completely offline and only communicates with the app through QR-codes that contain no data on the private keys. There is no USB, Bluetooth, Wifi, 4G, NFC, or any other kind of connection required to do this.
No. The ZERO works completely offline and only communicates with the app through QR-codes that contain no data on the private keys. There is no USB, Bluetooth, Wifi, 4G, NFC, or any other kind of connection required to do this.