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Coinkite COLDCARD Q or BitBox02 Nova?

The exact editions, side by side: how you’ll use them and the limits to know.

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In short

Recorded differences: Cryptocurrencies and Controls / Display.

Coinkite COLDCARD QOne edition

Price at Coinkite

BitBox02 NovaMultiple cryptocurrencies

Price at BitBox

Choose this edition at the store.

Approve transactions

Computer: Coinkite COLDCARD Q:
microSDSparrow · Bitcoin
QRSparrow · Bitcoin
USBSparrow · BitcoinQ already set up and unlocked · USB enabled · data cable required; BitBox02 Nova:
USBBitBoxApp · Bitcoin / Ethereum
iPhone: Coinkite COLDCARD Q:
NFCNunchuk · Bitcoin
iPhone · Nunchuk · NFC · BitcoinSupport for wallet setup is unconfirmed; BitBox02 Nova:
BluetoothBitBoxApp · Bitcoin / EthereumMust stay plugged in
Android: Coinkite COLDCARD Q:
NFCNunchuk · Bitcoin
Android · Nunchuk · NFC · BitcoinSupport for wallet setup is unconfirmed; BitBox02 Nova:
USBBitBoxApp · Bitcoin / EthereumPhone needs USB OTG

Where they differ

Cryptocurrencies: Coinkite COLDCARD Q:Bitcoin-only; BitBox02 Nova:Multiple cryptocurrencies
Controls / Display: Coinkite COLDCARD Q:Physical buttonsDisplay: Display without touch input; BitBox02 Nova:Touch sensorsDisplay: Display without touch input
Wallet recovery: Coinkite COLDCARD Q:Recovery phrase; BitBox02 Nova:microSD backup and recovery phrase
Operating power: Coinkite COLDCARD Q:Batteries or USB power; BitBox02 Nova:USB power

Not fully confirmed

Battery: Coinkite COLDCARD Q:Replaceable batteries; BitBox02 Nova:Not recorded

Before you choose

Consider

Coinkite COLDCARD QNeeds a compatible wallet app; follow the current COLDCARD advisory for firmware updates and migration of affected existing wallets.

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.

Apps and requirements

Show detailsHide details

Connectivity

Coinkite COLDCARD Q

Computer

SparrowmicroSDBitcoinWindows · macOS · Linux

Connection requirements

Sparrow exchanges unsigned and signed Bitcoin transaction files (PSBTs) with Q through microSD. Your computer needs a compatible card reader.

SparrowQRBitcoinWindows · macOS · Linux

Connection requirements

Set up Q’s wallet in Sparrow. Q scans the unsigned transaction QR, then Sparrow uses your computer’s camera to scan the signed result from Q.

SparrowUSBBitcoinWindows · macOS · LinuxQ already set up and unlocked · USB enabled · data cable required

Connection requirements

Set up Q’s wallet in Sparrow and exchange unsigned and signed Bitcoin transaction files (PSBTs) over USB. Q must already be initialized and unlocked, with USB enabled and a data-capable USB-C cable.

iPhone · Android

NunchukNFCBitcoinSupport for wallet setup is unconfirmed

Connection requirements

Use Nunchuk on a compatible NFC phone, with an already initialized Q powered on and NFC enabled, to exchange Bitcoin transaction files (PSBTs).

BitBox02 Nova

Computer

BitBoxAppUSBBitcoin / EthereumWindows · macOS · Linux

Connection requirements

Ethereum requires the Multi edition. A Bitcoin-only hardware edition cannot be converted to Multi.

iPhone

BitBoxAppBluetoothBitcoin / EthereumMust stay plugged in

Connection requirements

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.

Android

BitBoxAppUSBBitcoin / EthereumPhone needs USB OTG

Connection 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.

Hardware detailsDifferent: 5 · Same: 2 · Not fully recorded: 7Show details (14)Hide details

Coinkite COLDCARD QBitBox02 Nova

Display

Display type: Coinkite COLDCARD Q:LCD; BitBox02 Nova:OLED
Screen diagonal: Coinkite COLDCARD Q:Sources disagreeCoinkite lists 3.2 inches on the Q product page and 2.3 inches in its Q documentation overview. The screen diagonal remains unresolved.; BitBox02 Nova:Not recorded
Resolution: Coinkite COLDCARD Q:320 × 240 px; BitBox02 Nova:128 × 64 px
Colour mode: Coinkite COLDCARD Q:Colour; BitBox02 Nova:Monochrome

Size and weight

Dimensions: Coinkite COLDCARD Q:120 × 75 × 22 mmDimensions as listed by the manufacturer; BitBox02 Nova:54.5 × 25.4 × 9.6 mmDimensions as listed by the manufacturer · Includes the connector
Weight without batteries: Coinkite COLDCARD Q:93 g; BitBox02 Nova:Not recorded
Device weight: Coinkite COLDCARD Q:Not recorded; BitBox02 Nova:13 g

Power and charging

Replaceable cells: Coinkite COLDCARD Q:3 × AAA; BitBox02 Nova:Not recorded

Device connections

USB port: USB-CBoth
Memory card slot: microSDBoth

Security and software

Security chip: Coinkite COLDCARD Q:Microchip ATECC608; Maxim DS28C36B; BitBox02 Nova:OPTIGA Trust M V3

Processor

Core and clock speed: Coinkite COLDCARD Q:Not recorded; BitBox02 Nova:Cortex-M4F · 120 MHz
Controllers: Coinkite COLDCARD Q:Not recorded; BitBox02 Nova:ATSAMD51J20A · DA14531