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- Kelvin Wallet vs Coldcard Mk3
Chelpis Kelvin Wallet vs Coinkite Coldcard Mk3
What Kelvin Wallet does better (0) and where Coldcard Mk3 wins (3) — every spec side by side.
3.3Open source7.4
Why is Kelvin Wallet better than Coldcard Mk3?
Kelvin Wallet has no measurable advantages in this pair.
Why is Coldcard Mk3 better than Kelvin Wallet?
- Source code availableNo · Kelvin Wallet: Yes
- Weight35 g vs 30 g+17%
- Thickness10 mm vs 9 mm+11%
Specifications
Side by side
| Firmware & open source | ||
| Open-source firmware | No | No |
| Source code available | No | Yes |
| Reproducible builds | — | No |
| Upgradable firmware | — | Yes |
| Design | ||
| Weight | 35 g | 30 g |
| Length | 70 mm | 88 mm |
| Width | 40 mm | 51 mm |
| Thickness | 10 mm | 9 mm |
