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Blockstream Jade Plus or Coinkite COLDCARD Mk5?

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

Coinkite COLDCARD Mk5

One edition

Wallet 2

Add a wallet

Wallet 3

Filters

Your device: iPhone

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In short

Recorded differences: Battery.

Blockstream Jade PlusOne edition

Price at Blockstream

Coinkite COLDCARD Mk5One edition

Price at Coinkite

iPhone

Your device

Approve transactions: Blockstream Jade Plus:
BluetoothBlockstream app · Bitcoin; Coinkite COLDCARD Mk5:
NFCNunchuk · Bitcoin
iPhone · Nunchuk · NFC · BitcoinSupport for wallet setup is unconfirmed
Set up the wallet: Blockstream Jade Plus:
BluetoothBlockstream app · Bitcoin; Coinkite COLDCARD Mk5:
Support for wallet setup is unconfirmed

Approve transactions

Computer: Blockstream Jade Plus:
USBBlockstream app · Bitcoin
QRSparrow · BitcoinWebcam required for QR; Coinkite COLDCARD Mk5:
microSDSparrow · Bitcoin
USBSparrow · BitcoinMk5 set up and unlocked · verified current firmware · USB data enabled · data cable
Android: Blockstream Jade Plus:
USB · BluetoothBlockstream app · Bitcoin; Coinkite COLDCARD Mk5:
NFCNunchuk · Bitcoin
Android · Nunchuk · NFC · BitcoinSupport for wallet setup is unconfirmed

Where they differ

Battery: Blockstream Jade Plus:Rechargeable; Coinkite COLDCARD Mk5:No battery

What they have in common

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

Not fully confirmed

Cryptocurrencies: Blockstream Jade Plus:Not confirmed; Coinkite COLDCARD Mk5:Bitcoin-only
Operating power: Blockstream Jade Plus:Not recorded; Coinkite COLDCARD Mk5:USB power

Before you choose

Consider

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

Coinkite COLDCARD Mk5Needs USB-C power during use. Check the current seed-generation advisory before reusing an older wallet; updating alone does not repair an affected seed.

Apps and requirements

Show detailsHide details

Connectivity

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.

Coinkite COLDCARD Mk5

iPhone · Android

NunchukNFCBitcoinSupport for wallet setup is unconfirmed

Connection requirements

Use Nunchuk on a compatible NFC phone with an already initialized Mk5, powered on and with NFC enabled. Import the wallet’s public account into Nunchuk before exchanging Bitcoin transaction files (PSBTs).

Computer

SparrowmicroSDBitcoinWindows · macOS · Linux

Connection requirements

Sparrow exchanges unsigned and signed Bitcoin transaction files (PSBTs) with Mk5 through microSD. Your computer needs a compatible card reader.

SparrowUSBBitcoinWindows · macOS · LinuxMk5 set up and unlocked · verified current firmware · USB data enabled · data cable

Connection requirements

Start with a Mk5 already initialized under its setup guide, running the verified current recommended standard firmware. Keep Mk5 unlocked, enable USB data and use a data-capable USB-C cable. Then add its wallet to Sparrow and sign Bitcoin transactions over USB.

Hardware detailsDifferent: 4 · Same: 2 · Not fully recorded: 4Show details (10)Hide details

Blockstream Jade PlusCoinkite COLDCARD Mk5

Display

Display type: LCDBoth
Screen diagonal: Blockstream Jade Plus:1.9″; Coinkite COLDCARD Mk5:1.54″
Resolution: Blockstream Jade Plus:320 × 170 px; Coinkite COLDCARD Mk5:Not recorded
Colour mode: Blockstream Jade Plus:Colour; Coinkite COLDCARD Mk5:Monochrome

Size and weight

Dimensions: Blockstream Jade Plus:65 × 30 × 12 mmDimensions as listed by the manufacturer; Coinkite COLDCARD Mk5:Not recorded

Power and charging

Battery capacity: Blockstream Jade Plus:280 mAh; Coinkite COLDCARD Mk5:No battery
Charging methods: Blockstream Jade Plus:USB-C; Coinkite COLDCARD Mk5:No battery