Crypto hardware wallet comparison Ngrave Zero vs Coldcard Mk4
Our impressions
Ngrave Zero
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
Ngrave Zero
Coldcard Mk4
2020
2022
Supports multiple coins
Supports only Bitcoin
- Firmware
- Companion software
- BIP-39 (Mnemonic phrase)
- Passphrase
- Proprietary method
- BIP-39 (Mnemonic phrase)
- Passphrase
- Secure element
- On device PIN entry
- On device passphrase entry
- On device recovery
- Fingerprint sensor
- Air-gapped QR code
Multi-Layered Anit-Tampering Framework and Passphrase
- 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
Technical specifications
Ngrave Zero
Coldcard Mk4
125 mm x 72 mm x 14 mm
4.92 in x 2.83 in x 0.55 in
88 mm x 52 mm x 10 mm
3.46 in x 2.05 in x 0.39 in
180 g
6.35 oz
30 g
1.06 oz
- Color
- Touchscreen
4-inch LCD Capacitive Touch Screen
480 x 800 Pixels
600Cd/m2
- Monochrome
- OLED
128 x 64 pixels
- USB-C (limited to charging and firmware updates)
- USB-C
- NFC
- microSD card
STM32MP157C
120 MHz CPU
EAL5+ certified secure element
EAL7-certified OS
CE
RoHS
FCC
High-end metal
Plastics