BluetoothBitBoxApp · Bitcoin / EthereumMust stay plugged in
Set up the wallet
CoolWallet Go:
✓
NFCCoolWallet app · Bitcoin / Ethereum
BitBox02 Nova:
✓
BluetoothBitBoxApp · Bitcoin / EthereumMust stay plugged in
Approve transactions
Computer
CoolWallet Go:
?Support for signing is unconfirmed
BitBox02 Nova:
✓
USBBitBoxApp · Bitcoin / Ethereum
Android
CoolWallet Go:
✓
NFCCoolWallet app · Bitcoin / Ethereum
BitBox02 Nova:
✓
USBBitBoxApp · Bitcoin / EthereumPhone needs USB OTG
Where they differ
Controls / Display
CoolWallet Go:No controls on the walletDisplay: No device display
BitBox02 Nova:Touch sensorsDisplay: Display without touch input
Wallet recovery
CoolWallet Go:Backup cards
BitBox02 Nova:microSD backup and recovery phrase
What they have in common
Cryptocurrencies
Multiple cryptocurrencies
Both
Not fully confirmed
Operating power
CoolWallet Go:Not recorded
BitBox02 Nova:USB power
Battery
CoolWallet Go:No battery
BitBox02 Nova:Not recorded
Before you choose
Consider
CoolWallet GoKeep the electronic spare card and pairing password safe. During setup, choose card-only backup or app-generated recovery words with a written record; they give you different recovery options.
BitBox02 NovaOn iPhone and iPad, Bluetooth carries the data but the wallet still needs a physical power connection. You control it by touching its edges, not the screen. BitBoxApp on iPhone and iPad guides firmware updates when a compatible version is offered.
With an iPhone, plug BitBox02 Nova into the phone or another suitable power source. It uses Bluetooth to exchange data. Ethereum needs the Multi edition; the Bitcoin-only edition cannot be changed to Multi.
Ethereum requires the Multi edition. A Bitcoin-only hardware edition cannot be converted to Multi.
Android
BitBoxAppUSBBitcoin / EthereumPhone needs USB OTGConnection requirements
Your Android phone needs USB OTG support to connect to Nova over USB. Ethereum requires the Multi edition; a Bitcoin-only device cannot be changed to Multi.
