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Coinkite COLDCARD Q or Blockstream Jade Plus?

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

Blockstream Jade Plus

One edition

Wallet 2

Add a wallet

Wallet 3

Filters

Your device: Android

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In short

Recorded differences: Battery.

Coinkite COLDCARD QOne edition

Price at Coinkite

Blockstream Jade PlusOne edition

Price at Blockstream

Android

Your device

Approve transactions: Coinkite COLDCARD Q:
NFCNunchuk · Bitcoin
Android · Nunchuk · NFC · BitcoinSupport for wallet setup is unconfirmed; Blockstream Jade Plus:
USB · BluetoothBlockstream app · Bitcoin
Set up the wallet: Coinkite COLDCARD Q:
Support for wallet setup is unconfirmed; Blockstream Jade Plus:
USB · BluetoothBlockstream app · Bitcoin

Approve transactions

Computer: Coinkite COLDCARD Q:
microSDSparrow · Bitcoin
QRSparrow · Bitcoin
USBSparrow · BitcoinQ already set up and unlocked · USB enabled · data cable required; Blockstream Jade Plus:
USBBlockstream app · Bitcoin
QRSparrow · BitcoinWebcam required for QR
iPhone: Coinkite COLDCARD Q:
NFCNunchuk · Bitcoin
iPhone · Nunchuk · NFC · BitcoinSupport for wallet setup is unconfirmed; Blockstream Jade Plus:
BluetoothBlockstream app · Bitcoin

Where they differ

Battery: Coinkite COLDCARD Q:Replaceable batteries; Blockstream Jade Plus:Rechargeable

What they have in common

Controls / Display: Physical buttonsDisplay: Display without touch input
Both
Wallet recovery: Recovery phrase
Both

Not fully confirmed

Cryptocurrencies: Coinkite COLDCARD Q:Bitcoin-only; Blockstream Jade Plus:Not confirmed
Operating power: Coinkite COLDCARD Q:Batteries or USB power; Blockstream Jade Plus: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.

Blockstream Jade PlusThe standard firmware supports Bitcoin and Liquid. Bitcoin-only firmware is a separate option.

Apps and requirements

Show detailsHide details

Connectivity

Coinkite COLDCARD Q

Android · iPhone

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).

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.

Blockstream Jade Plus

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.

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 QR

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.

Hardware detailsDifferent: 3 · Same: 3 · Not fully recorded: 6Show details (12)Hide details

Coinkite COLDCARD QBlockstream Jade Plus

Display

Display type: LCDBoth
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.; Blockstream Jade Plus:1.9″
Resolution: Coinkite COLDCARD Q:320 × 240 px; Blockstream Jade Plus:320 × 170 px
Colour mode: ColourBoth

Size and weight

Dimensions: Coinkite COLDCARD Q:120 × 75 × 22 mmDimensions as listed by the manufacturer; Blockstream Jade Plus:65 × 30 × 12 mmDimensions as listed by the manufacturer
Weight without batteries: Coinkite COLDCARD Q:93 g; Blockstream Jade Plus:Not recorded

Power and charging

Replaceable cells: Coinkite COLDCARD Q:3 × AAA; Blockstream Jade Plus:Not recorded
Battery capacity: Coinkite COLDCARD Q:Not recorded; Blockstream Jade Plus:280 mAh
Charging methods: Coinkite COLDCARD Q:Not recorded; Blockstream Jade Plus:USB-C