Trezor Safe 7 vs Coldcard MK4
Key differences
- The Safe 7 has a large 2.5" color touchscreen, while the Coldcard MK4 uses a small 128x64 OLED with numeric keypad.
- The Safe 7 supports 1,000+ coins, while the Coldcard MK4 is Bitcoin-only — ideal for Bitcoin maximalists.
- The Safe 7 is quantum-ready with the TROPIC01 chip, while the MK4 features dual secure elements and advanced security features like duress PINs and trick wallets.
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Launch
2025
2022
Screen Size
2.5" Color touchscreen (520x380 pixels)
128x64 pixel OLED display
Box Includes
- Trezor Safe 7 hardware wallet
- USB-C cable
- Wallet backup cards
- Start-up guide
- Stickers
- COLDCARD™ Mk4
Security Features
Passphrase Support
Passphrase Entry
Device screen or computer
Device
PIN Protection
Shamir Secret Sharing
Tor Support
Usage
Platforms
- Windows
- macOS
- Linux
- Android
- iOS
- Windows
- macOS
- Linux
- Android
- iOS
Supported Coins
Bitcoin & 1000+ other coins and tokens
Bitcoin Only
Interfaces
USB-C, Bluetooth, Qi2 Wireless Charging
- Numeric Keypad
- NFC-V
- USB-C
- AirGap SneakerNET
- Virtual Disk
- MicroSD Card
Technical Details
Secure Elements
Dual Secure Elements (TROPIC01 + EAL6+)
Dual Secure Elements - ATECC608 & DS28C36B
Open Source
Hardware & Software
Firmware & Software
FIDO Authentication
Size
75.4x44.5x8.3 mm (2.97x1.75x0.33 in)
86x50x7.5 mm (3.39x1.97x0.3 in)
Weight
45g (1.6oz)
30g (1.1oz)
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
Color LCD
Monochrome OLED (128x64)
Touchscreen
Yes
No (button controls)
Build Quality
Body Material
Aluminum unibody + Gorilla Glass
Plastic with sliding protective cover
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.
IP67 (dustproof, water resistant)
Not rated
Haptic Feedback ?Vibration feedback when pressing buttons or confirming actions. Provides tactile confirmation that your input was registered.
Yes
No
Connectivity & Power
Bluetooth ?Wireless connectivity for pairing with mobile devices. Enables cable-free transactions but some users prefer USB-only for security.
Yes
No
NFC ?Near Field Communication for tap-to-connect with compatible devices. Convenient for quick mobile transactions.
No
Yes
Wireless Charging
Yes
No
Cable Type
USB-C to USB-C
USB-C
Battery
~10 hours / 150 transactions
No battery (USB powered)
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
Yes
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)
Yes (2 chips)
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
SatoshiLabs
Coinkite
Parent Company Founded
2013
2011
Security Incidents
None reported for this model.
No known security incidents
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