Updated September 28, 2026
What is Connectivity?
In short
Connectivity is how a hardware wallet links to a phone or computer, and it decides where you can sign.
Connectivity is how a hardware wallet links to a phone or computer, and it shapes where signing can happen. BitBox and Blockstream Jade work over USB-C and Bluetooth usb c and bluetooth, while Coldcard pairs USB-C with near-field communication usb c and nfc. BitBox02 relies on USB-C usb c, and Arculus uses near-field communication nfc. Pick the option that fits the device you already own and where you sign.
Sources
- blockstream.com, checked September 26, 2026
- coldcard.com, checked September 26, 2026
- shiftcrypto.ch, checked September 26, 2026
- shop.bitbox.swiss, checked September 26, 2026
- getarculus.com, checked September 26, 2026