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Coinkite COLDCARD Mk5 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

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In short

Recorded differences: Battery.

Coinkite COLDCARD Mk5One edition

Price at Coinkite

Blockstream Jade PlusOne edition

Price at Blockstream

Approve transactions

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

Where they differ

Battery: Coinkite COLDCARD Mk5:No battery; 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 Mk5:Bitcoin-only; Blockstream Jade Plus:Not confirmed
Operating power: Coinkite COLDCARD Mk5:USB power; Blockstream Jade Plus:Not recorded

Before you choose

Consider

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.

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 Mk5

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.

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).

Blockstream Jade Plus

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.

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

Coinkite COLDCARD Mk5Blockstream Jade Plus

Display

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

Power and charging

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