Coldcard MK4 vs Blockstream Jade
Key differences
- Coldcard MK4 uses dual physical secure elements for maximum offline security; Jade relies on a virtual secure element and has known vulnerabilities in older hardware.
- Blockstream Jade is more budget-friendly at $79, while Coldcard MK4 is priced at $167.94 for more advanced protection.
- Jade supports Bluetooth, USB, and QR for easy mobile use; Coldcard is better for technical users with its air-gapped microSD transfers and keypad input.
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Price
$167.94 USD
$79 USD
Launch
2022
2021
Screen Size
128x64 pixel OLED display
1.14" IPS LCD display, 240x135 RGB 16-bit
Box Includes
- COLDCARD™ Mk4
Blockstream Jade Classic Hardware wallet, USB-C to USB-A cable, Getting started leaflet, 3 Recovery sheets
Security Features
Passphrase Support
Passphrase Entry
Device
-
PIN Protection
Shamir Secret Sharing
Tor Support
Usage
Platforms
- Windows
- macOS
- Linux
- Android
- iOS
- Windows
- macOS
- Linux
- Android
- iOS
Supported Coins
Bitcoin Only
Bitcoin and Liquid Network Assets
Interfaces
Numeric Keypad, NFC-V, USB-C, AirGap SneakerNET, Virtual Disk, MicroSD Card
USB-C, Bluetooth, and QR code
Technical Details
Secure Elements
- Dual Secure Elements (ATECC608 & DS28C36B)
- AES-256-CTR encrypted storage
- COLDCARD Co-Signing (CCC)
Virtual Secure Element, BIP39 passphrase standard
Open Source
Firmware & Software
Software and Hardware
FIDO Authentication
Size
86x50x7.5 mm (3.39x1.97x0.3 in)
60x24x17 mm (2.36x0.94x0.67 in)
Weight
30g (1.1oz)
25g (0.9oz)
Bitcoin-Only Version
Integration & Multisig
Integrations
- Nunchuk
- Sparrow
- Bitcoin Core
- Electrum
- BlueWallet
- Casa
- Fully Noded
- Specter Desktop
- Unchained
- Wasabi Wallet
- Coldcore
- Theya
- Blockstream Green
- BlueWallet
- Sparrow
- Electrum
- Specter
- Nunchuk
- SideSwap
- Liana
- Keeper
- Wasabi
- Bitcoin Safe
Multisig Support
- Blockstream Green Multisig Shield
Company Details
Parent Company
Coinkite
Blockstream
Parent Company Founded
2011
2014
Security Incidents
No known security incidents
Older versions have a potential ESP32 chip vulnerability.
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