Coinkite
Coldcard Mk4
4.8 Editorial score
Price
$148
Profile
More open-source
Hardware wallet comparison
Coldcard Mk4 vs Trezor One: Bitcoin-Only Air-Gapped vs Multi-Coin Open-Source Classic
Coldcard Mk4 at $148 is Bitcoin-only with microSD-based air-gapped PSBT workflows and deep multisig support. Trezor One at $69 is the original 2014 multi-coin wallet — USB-only, fully open-source, no secure element. Different audiences entirely, hard to compare like for like.
Bitcoin-only vs multi-coinAir-gapped vs USBMultisig depthPrice
Trezor
Trezor One
4.4 Editorial score
Price
$69
Profile
More open-source
Decision table
Side-by-side security posture
| Device Model | Coldcard Mk4 | Trezor One |
|---|---|---|
| Price | $148 | $69 |
| Security Rating | ||
| Secure Element | ||
| Open Source | ||
| Multisig | ||
| Connectivity | USB-C, NFC, microSD | USB-C |
| Supported Assets | BTC only | BTC, ETH, LTC... |
| Warranty | 1 year | 2 years |
Coinkite
Secure elementColdcard Mk4
Pros
- Bitcoin-only focus
- Dual secure elements
- Open-source firmware
- Air-gapped operation via microSD
- Advanced multisig features
Trade-offs
- Bitcoin only (no altcoins)
- Steeper learning curve
- Less user-friendly interface
- No touchscreen
- Requires technical knowledge
Trezor
Open sourceTrezor One
Pros
- Most affordable option from Trezor
- Fully open-source
- Proven track record since 2014
- Simple and reliable
- Active community support
Trade-offs
- No secure element
- Small screen
- No touchscreen
- Button interface less intuitive
- Physical extraction vulnerability
Who should choose which
Bottom line
Pick the Coldcard Mk4 if you only hold Bitcoin and want air-gapped operation with advanced multisig. Pick the Trezor One if you want a budget multi-coin wallet with the longest open-source track record in the category.
FAQ
Which is better: Coldcard Mk4 or Trezor One?
Pick the Coldcard Mk4 if you only hold Bitcoin and want air-gapped operation with advanced multisig. Pick the Trezor One if you want a budget multi-coin wallet with the longest open-source track record in the category.
FAQ
What's the price difference between Coldcard Mk4 and Trezor One?
The Coldcard Mk4 costs $148, while the Trezor One costs $69. That's a difference of $79.