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Blockstream Jade Classic, Ledger Flex or BitBox02?

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 Ledger Flex.

Blockstream Jade ClassicOne edition

Price at Blockstream

Ledger FlexOne edition

Price at Ledger

BitBox02Multi-coin edition

Price at BitBox

Choose this edition at the store.

Jade Classic

Flex

Approve transactions

Computer: Blockstream Jade Classic:
USBBlockstream app · Bitcoin
QRSparrow · BitcoinWebcam required for QR
Computer · Sparrow · QR · BitcoinSupport for wallet setup is unconfirmed; Ledger Flex:
USBLedger Wallet · Bitcoin / Ethereum; BitBox02:
USBBitBoxApp · Bitcoin / Ethereum
iPhone: Blockstream Jade Classic:
BluetoothBlockstream app · Bitcoin; Ledger Flex:
BluetoothLedger Wallet · Bitcoin / Ethereum; BitBox02:
Not supported
Android: Blockstream Jade Classic:
USB · BluetoothBlockstream app · Bitcoin; Ledger Flex:
USB · BluetoothLedger Wallet · Bitcoin / Ethereum; BitBox02:
USBBitBoxApp · Bitcoin / Ethereum

Where they differ

Controls / Display: Blockstream Jade Classic:Physical buttonsDisplay: Display without touch input; Ledger Flex:Touchscreen; BitBox02:Touch sensorsDisplay: Display without touch input
Wallet recovery: Blockstream Jade Classic:Recovery phrase; Ledger Flex:Recovery phrase; BitBox02:microSD backup and recovery phrase

Not fully confirmed

Cryptocurrencies: Blockstream Jade Classic:Not confirmed; Ledger Flex:Multiple cryptocurrencies; BitBox02:Multiple cryptocurrencies
Operating power: Blockstream Jade Classic:Battery or USB power; Ledger Flex:Not recorded; BitBox02:USB power
Battery: Blockstream Jade Classic:Rechargeable; Ledger Flex:Rechargeable; BitBox02:Not recorded

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.

Ledger FlexiPhone connects by Bluetooth. Android connects by USB or Bluetooth. NFC does not replace USB or Bluetooth for ordinary transactions. Cryptocurrency support depends on the app.

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

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.

Ledger Flex

Computer

Ledger WalletUSBBitcoin / EthereumWindows · macOS · Linux

iPhone

Ledger WalletBluetoothBitcoin / Ethereum

Android

Ledger WalletUSB · BluetoothBitcoin / Ethereum

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.

Hardware detailsDifferent: 4 · Same: 1 · Not fully recorded: 18Show details (23)Hide details

Blockstream Jade ClassicLedger FlexBitBox02

Display

Colour mode: Blockstream Jade Classic:Colour; Ledger Flex:Grayscale; BitBox02:Monochrome
Display type: Blockstream Jade Classic:Not recorded; Ledger Flex:E Ink; BitBox02:OLED
Screen diagonal: Blockstream Jade Classic:Not recorded; Ledger Flex:2.8″; BitBox02:Not recorded
Resolution: Blockstream Jade Classic:Not recorded; Ledger Flex:480 × 600 px; BitBox02:128 × 64 px
Shades of grey: Blockstream Jade Classic:Not recorded; Ledger Flex:16; BitBox02:Not recorded

Size and weight

Dimensions: Blockstream Jade Classic:60 × 24 × 17 mmDimensions as listed by the manufacturer; Ledger Flex:78.4 × 56.5 × 7.7 mmDimensions as listed by the manufacturer; BitBox02:54.5 × 25.4 × 9.6 mmDimensions as listed by the manufacturer · Includes the connector
Device weight: Blockstream Jade Classic:21 g; Ledger Flex:57.5 g; BitBox02:12 g

Power and charging

Battery capacity: Blockstream Jade Classic:240 mAh; Ledger Flex:Not recorded; BitBox02:Not recorded
Charging methods: Blockstream Jade Classic:USB-C; Ledger Flex:USB-C; BitBox02:Not recorded
Battery life: Blockstream Jade Classic:Not recorded; Ledger Flex:Up to 10 hrUsage conditions not stated; BitBox02:Not recorded
Wireless charging: Blockstream Jade Classic:Not recorded; Ledger Flex:Not supported; BitBox02:Not recorded

Materials and finish

Materials: Blockstream Jade Classic:Body: Plastic; Ledger Flex:Not recorded; BitBox02:Not recorded

Device connections

USB port: USB-CAll three
Bluetooth version: Blockstream Jade Classic:Not recorded; Ledger Flex:5.2; BitBox02:Not recorded
NFC functions: Blockstream Jade Classic:Not recorded; Ledger Flex:Ledger Recovery Key · Ledger Security Key; BitBox02:Not recorded
Memory card slot: Blockstream Jade Classic:Not recorded; Ledger Flex:Not recorded; BitBox02:microSD

Security and software

Security chip: Blockstream Jade Classic:No Secure Element; Ledger Flex:ST33K1M5 · CC EAL6+; BitBox02:ATECC608B
Device software: Blockstream Jade Classic:Not recorded; Ledger Flex:Ledger OS; BitBox02:Not recorded

Processor

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

Memory

Storage space: Blockstream Jade Classic:Not recorded; Ledger Flex:1.5 MB; BitBox02:Not recorded

Key dates

Released: Blockstream Jade Classic:Not recorded; Ledger Flex:July 26, 2024; BitBox02:Not recorded
Available since: Blockstream Jade Classic:Not recorded; Ledger Flex:Not recorded; BitBox02:September 25, 2019