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Blockstream Jade Classic, BitBox02 or Coinkite COLDCARD Q?

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

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In short

Transaction approval (iPhone) is confirmed only for Blockstream Jade Classic and Coinkite COLDCARD Q.

Blockstream Jade ClassicOne edition

Price at Blockstream

BitBox02Multi-coin edition

Price at BitBox

Choose this edition at the store.

Coinkite COLDCARD QOne edition

Price at Coinkite

Jade Classic

BitBox02Multiple cryptocurrencies

Approve transactions

Computer: Blockstream Jade Classic:
USBBlockstream app · Bitcoin
QRSparrow · BitcoinWebcam required for QR
Computer · Sparrow · QR · BitcoinSupport for wallet setup is unconfirmed; BitBox02:
USBBitBoxApp · Bitcoin / Ethereum; Coinkite COLDCARD Q:
microSDSparrow · Bitcoin
QRSparrow · Bitcoin
USBSparrow · BitcoinQ already set up and unlocked · USB enabled · data cable required
iPhone: Blockstream Jade Classic:
BluetoothBlockstream app · Bitcoin; BitBox02:
Not supported; Coinkite COLDCARD Q:
NFCNunchuk · Bitcoin
iPhone · Nunchuk · NFC · BitcoinSupport for wallet setup is unconfirmed
Android: Blockstream Jade Classic:
USB · BluetoothBlockstream app · Bitcoin; BitBox02:
USBBitBoxApp · Bitcoin / Ethereum; Coinkite COLDCARD Q:
NFCNunchuk · Bitcoin
Android · Nunchuk · NFC · BitcoinSupport for wallet setup is unconfirmed

Where they differ

Controls / Display: Blockstream Jade Classic:Physical buttonsDisplay: Display without touch input; BitBox02:Touch sensorsDisplay: Display without touch input; Coinkite COLDCARD Q:Physical buttonsDisplay: Display without touch input
Wallet recovery: Blockstream Jade Classic:Recovery phrase; BitBox02:microSD backup and recovery phrase; Coinkite COLDCARD Q:Recovery phrase
Operating power: Blockstream Jade Classic:Battery or USB power; BitBox02:USB power; Coinkite COLDCARD Q:Batteries or USB power

Not fully confirmed

Cryptocurrencies: Blockstream Jade Classic:Not confirmed; BitBox02:Multiple cryptocurrencies; Coinkite COLDCARD Q:Bitcoin-only
Battery: Blockstream Jade Classic:Rechargeable; BitBox02:Not recorded; Coinkite COLDCARD Q:Replaceable batteries

Before you choose

Consider

Blockstream Jade ClassicA small screen with wheel and button controls. QR signing needs a compatible app; Liquid uses USB or Bluetooth.

BitBox02This model cannot sign with an iPhone. BitBox02 Nova is a different model with iPhone support.

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

Apps and requirements

Show detailsHide details

Connectivity

Blockstream Jade Classic

Computer

Blockstream appUSBBitcoinWindows · macOS · Linux

Connection requirements

This workflow uses Bitcoin mainnet in the Blockstream app. The standard firmware also supports Liquid, so it is not Bitcoin-only.

SparrowQRBitcoinWindows · macOS · LinuxWebcam required for QRSupport for wallet setup is unconfirmed

Connection requirements

Prepare Jade QR mode and use a webcam with Sparrow. QR signing supports Bitcoin, not Liquid.

iPhone

Blockstream appBluetoothBitcoin

Connection requirements

This workflow uses Bitcoin mainnet in the Blockstream app. The standard firmware also supports Liquid, so it is not Bitcoin-only.

Android

Blockstream appUSB · BluetoothBitcoin

Connection requirements

This workflow uses Bitcoin mainnet in the Blockstream app. The standard firmware also supports Liquid, so it is not Bitcoin-only.

BitBox02

Computer

BitBoxAppUSBBitcoin / EthereumWindows · macOS · Linux

Connection requirements

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

Android

BitBoxAppUSBBitcoin / Ethereum

Connection requirements

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

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).

Hardware detailsDifferent: 3 · Same: 1 · Not fully recorded: 13Show details (17)Hide details

Blockstream Jade ClassicBitBox02Coinkite COLDCARD Q

Display

Colour mode: Blockstream Jade Classic:Colour; BitBox02:Monochrome; Coinkite COLDCARD Q:Colour
Display type: Blockstream Jade Classic:Not recorded; BitBox02:OLED; Coinkite COLDCARD Q:LCD
Resolution: Blockstream Jade Classic:Not recorded; BitBox02:128 × 64 px; Coinkite COLDCARD Q:320 × 240 px
Screen diagonal: Blockstream Jade Classic:Not recorded; BitBox02:Not recorded; 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.

Size and weight

Dimensions: Blockstream Jade Classic:60 × 24 × 17 mmDimensions as listed by the manufacturer; BitBox02:54.5 × 25.4 × 9.6 mmDimensions as listed by the manufacturer · Includes the connector; Coinkite COLDCARD Q:120 × 75 × 22 mmDimensions as listed by the manufacturer
Device weight: Blockstream Jade Classic:21 g; BitBox02:12 g; Coinkite COLDCARD Q:Not recorded
Weight without batteries: Blockstream Jade Classic:Not recorded; BitBox02:Not recorded; Coinkite COLDCARD Q:93 g

Power and charging

Battery capacity: Blockstream Jade Classic:240 mAh; BitBox02:Not recorded; Coinkite COLDCARD Q:Not recorded
Charging methods: Blockstream Jade Classic:USB-C; BitBox02:Not recorded; Coinkite COLDCARD Q:Not recorded
Replaceable cells: Blockstream Jade Classic:Not recorded; BitBox02:Not recorded; Coinkite COLDCARD Q:3 × AAA

Materials and finish

Materials: Blockstream Jade Classic:Body: Plastic; BitBox02:Not recorded; Coinkite COLDCARD Q:Not recorded

Device connections

USB port: USB-CAll three
Memory card slot: Blockstream Jade Classic:Not recorded; BitBox02:microSD; Coinkite COLDCARD Q:microSD

Security and software

Security chip: Blockstream Jade Classic:No Secure Element; BitBox02:ATECC608B; Coinkite COLDCARD Q:Microchip ATECC608; Maxim DS28C36B

Processor

Controllers: Blockstream Jade Classic:ESP32; BitBox02:ATSAMD51J20A; Coinkite COLDCARD Q:Not recorded
Core and clock speed: Blockstream Jade Classic:Not recorded; BitBox02:Cortex-M4F · 120 MHz; Coinkite COLDCARD Q:Not recorded