Coldcard MK4 vs Ledger Nano X
Key differences
- Coldcard MK4 is Bitcoin-only and built for extreme security with dual secure elements and air-gapped operation; Ledger Nano X supports 5,500+ coins with Bluetooth convenience.
- Ledger Nano X is slightly more affordable at $149 vs Coldcard's $167.94, and easier for beginners due to its companion app Ledger Live.
- Coldcard offers physical keypad entry and microSD air-gap transfers, while Ledger relies on computer or Bluetooth-based input—making Coldcard better for users prioritizing offline isolation.
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Launch
2022
2019
Screen Size
128x64 pixel OLED display
1.09" Monochrome OLED display
Box Includes
- COLDCARD™ Mk4
- Nano X hardware wallet
- USB-C to USB-A cable
- getting started leaflet
- 3 recovery sheets
- keychain strap
Security Features
Passphrase Support
Passphrase Entry
Device
Computer
PIN Protection
Shamir Secret Sharing
Tor Support
Usage
Platforms
- Windows
- macOS
- Linux
- Android
- iOS
- Windows
- macOS
- Linux
- Android
- iOS
Supported Coins
Bitcoin Only
Secure and manage over 5,500 different coins and tokens including Bitcoin, Ethereum, XRP, USD Tether, Polkadot, Litecoin, and more.
Interfaces
- Numeric Keypad
- NFC-V
- USB-C
- AirGap SneakerNET
- Virtual Disk
- MicroSD Card
USB-C, Bluetooth
Technical Details
Secure Elements
Dual Secure Elements - ATECC608 & DS28C36B
CC EAL5+ certified secure chip
Open Source
Firmware & Software
Software
FIDO Authentication
Size
86x50x7.5 mm (3.39x1.97x0.3 in)
72x18.6x11.75 mm (2.83x0.73x0.46 in)
Weight
30g (1.1oz)
34g (1.2oz)
Bitcoin-Only Version
Integration & Multisig
Integrations
Multisig Support ?Multi-signature wallets require multiple keys to authorize transactions (e.g., 2-of-3). Adds security by eliminating single points of failure.
Display Technology
Display Type
Monochrome OLED (128x64)
Monochrome OLED
Touchscreen
No (button controls)
No (button controls)
Build Quality
Body Material
Plastic with sliding protective cover
Plastic + stainless steel swivel
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 to USB-A
Battery
No battery (USB powered)
~5 hours
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
Ledger
Parent Company Founded
2011
2014
Security Incidents
No known security incidents
A crypto user claims they lost $2.5 million in Bitcoin and NFTs from a Ledger Nano S, sparking scrutiny over Ledger's security. While the user insists the seed phrase was secure, the incident has reignited debate over hardware wallet vulnerabilities and possible user error.
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