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- eWallet vs Coldcard Mk1
Black Arrow Software eWallet vs Coinkite Coldcard Mk1
What eWallet does better (0) and where Coldcard Mk1 wins (1) — every spec side by side.
3.3Open source7.4
Why is eWallet better than Coldcard Mk1?
eWallet has no measurable advantages in this pair.
Why is Coldcard Mk1 better than eWallet?
- Source code availableNo · eWallet: Yes
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 | 7 g | — |
| Length | 4.5 mm | — |
| Width | 2.3 mm | — |
| Thickness | 0.6 mm | — |








