Crypto hardware wallet comparison BitBox02 vs Coldcard Mk4
Our impressions
BitBox02
Coldcard Mk4
Disclaimer: Our impressions are based on a compilation of factors tailored to the average user’s perspective. It is also important to note that whether a feature is a “pro” or “con” can depend on your situation and preferences. What may be an advantage in one scenario could be a challenge in another, and vice versa. Therefore, while reviewing these points, it’s essential to consider your unique requirements and circumstances when making decisions. This list aims to provide an idea of what to anticipate, but it is not the ultimate guide to determining whether something will work for you or not.
Key features
BitBox02
Coldcard Mk4
2019
2022
Supports multiple coins
In app support for BTC, LTC, ETH and selected tokens.
ADA with AdaLite and 1500+ ERC20 tokens supported with MyEtherWallet.
For Bitcoin-only support see BitBox02 Bitcoin-only edition
It is not possible to convert a BitBox02 Multi edition into a BitBox02 Bitcoin-only edition or vice-versa. The BitBox02 bootloader prevents firmware downgrades and installing firmware for a different edition of the BitBox02 (Multi or Bitcoin-only) as otherwise that would be a security attack vector.
Supports only Bitcoin
- Firmware
- Companion software
- Firmware
- Companion software
- Secure element
- On device PIN entry
Dual chip security architecture
Secure chip: ATECC608B; True random number generator (NIST SP 800-90A/B/C)
Anti-klepto mitigates the nonce covert channel attack
Physical protections
Security audit & bug bounty program
- Secure element
- On device PIN entry
- Factory reset with wrong PIN
- Factory reset with decoy PIN
- Fake wallet with duress PIN
- On device passphrase entry
- On device recovery
Dual Secure Element
Multiple Trick PIN features
– Duress PIN
– Countdown to Brick (or Reset) PIN
– Brick Me PIN
– Login Countdown
On device recovery requires a previous SD Card backup or XPRV private key file on SD Card
- Windows
- macOS
- Linux
- Android
- Windows
- macOS
- Linux
- FIDO U2F
- FIDO2 Webauthn
Technical specifications
BitBox02
Coldcard Mk4
54.5 mm x 25.4 mm x 9.6 mm
2.15 in x 1 in x 0.38 in
88 mm x 52 mm x 10 mm
3.46 in x 2.05 in x 0.39 in
12 g
0.42 oz
30 g
1.06 oz
- Monochrome
- OLED
128 x 64 Pixels
- Monochrome
- OLED
128 x 64 pixels
- USB-C
- USB-C
- NFC
- microSD card
- microSD card
ATSAMD51J20A
120 Mhz 32-bit Cortex-M4F
True random number generator
120 MHz CPU
Polycarbonate
Plastics