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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: iPhone

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In short

Recorded differences: Battery.

Coinkite COLDCARD QOne edition

Price at Coinkite

Blockstream Jade PlusOne edition

Price at Blockstream

iPhone

Your device

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

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).

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

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.

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.

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.

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