Trezor Safe 3 vs Coldcard Q
Key differences
- Coldcard Q is a premium air-gapped Bitcoin-only wallet with a full QWERTY keyboard and QR scanner, while Safe 3 is a simpler USB-connected multi-coin wallet.
- Coldcard Q costs $239.99, significantly more than the Safe 3's $79 price tag.
- The Safe 3 is compact and beginner-friendly, while Coldcard Q is designed for advanced users seeking full sovereignty and air-gapped cold storage.
Jump to section
Price
$79
$239.99 USD
Launch
2023
2025
Screen Size
0.96" OLED (128x64 pixels)
3.2" 320x240 color LCD display
Box Includes
- Safe 3 device
- USB-C cable
- backup cards
- guide
- stickers
- COLDCARD™ Q
Security Features
Passphrase Support
Passphrase Entry
Device or computer
-
PIN Protection
Shamir Secret Sharing
Tor Support
Usage
Platforms
- Windows
- macOS
- Linux
- Android
- Windows
- macOS
- Linux
- Android
- iOS
- BBQr
Supported Coins
Bitcoin & 1000+ other coins and tokens
Bitcoin Only
Interfaces
USB-C, Buttons
- Full QWERTY Keyboard
- QR Code
- NFC-V
- USB-C
- AirGap SneakerNET
- Virtual Disk
- Dual MicroSD Card
Technical Details
Secure Elements
EAL6+ certified secure chip
- Airgapped
- Wireless (3 x AAA batteries)
- Dual Secure Elements (ATECC608 & DS28C36B)
- Anti-phishing Words
- BIP39 seed phrase
- COLDCARD Co-Signing (CCC)
- AES-256-CTR encrypted storage
Open Source
Hardware & Software
Software
FIDO Authentication
Size
59x32x7.4 mm (2.3x1.3x0.3 in)
120 x 75 x 22 mm (4.72 x 2.95 x 0.87 in)
Weight
14g (0.5oz)
93g (3.3oz)
Bitcoin-Only Version
Integration & Multisig
Integrations
Company Details
Parent Company
SatoshiLabs
Coinkite
Parent Company Founded
2013
2011
Security Incidents
In March 2024, Ledger discovered a vulnerability in the microcontroller that could bypass firmware integrity checks. Trezor patched the issue, with no user funds compromised or action required.
No known security incidents
BitBox02
Ledger Nano X
Blockstream Jade
Blockstream Jade Plus
Coldcard MK4
Trezor Model One
Trezor Model T
Trezor Safe 5