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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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
Device screen or computer
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
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 ?Multi-signature wallets require multiple keys to authorize transactions (e.g., 2-of-3). Adds security by eliminating single points of failure.
- Blockstream Green Multisig Shield
Display Technology
Display Type
Monochrome OLED (128x64)
Color IPS LCD (1.14" 240x135)
Touchscreen
No (button controls)
No (button controls)
Build Quality
Body Material
Plastic with sliding protective cover
Plastic
Water Resistance ?IP67 rating means fully dustproof and can survive submersion in 1 meter of water for 30 minutes. Protects against accidental spills and drops.
Not rated
Not rated
Haptic Feedback ?Vibration feedback when pressing buttons or confirming actions. Provides tactile confirmation that your input was registered.
No
No
Connectivity & Power
Bluetooth ?Wireless connectivity for pairing with mobile devices. Enables cable-free transactions but some users prefer USB-only for security.
No
Yes
NFC ?Near Field Communication for tap-to-connect with compatible devices. Convenient for quick mobile transactions.
Yes
No
Wireless Charging
No
No
Cable Type
USB-C
USB-C
Battery
No battery (USB powered)
240 mAh capacity
Advanced Security
Quantum Ready ?Designed to receive firmware updates with quantum-resistant cryptography. Protects against future threats from quantum computers that could break current encryption.
Yes
No
Dual Secure Element ?Uses two separate secure chips instead of one. Provides redundancy and additional tamper protection for storing your private keys.
Yes (2 chips)
Single chip
iOS Compatibility ?"Full" means you can send, receive, and manage crypto on iPhone. "Limited" typically means view-only or requires desktop for transactions.
Full support
Full support
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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