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- Coinkite Coldcard
Coinkite
Coinkite Coldcard: every generation
5 generations from 2018 to 2026, latest — Coinkite Coldcard Mk5. What each generation gained and lost.
2026
Better than Coldcard Mk4
Coldcard Mk4 vs Coldcard Mk5 — full comparison- Screen size 0.8″ → 1.54″
2022
Better than Coldcard Mk2
Coldcard Mk2 vs Coldcard Mk4 — full comparison- Reproducible builds
2019
No notable changes in the key specs.
Coldcard Mk3 vs Coldcard Mk2 — full comparison2018
No notable changes in the key specs.
Coldcard Mk1 vs Coldcard Mk3 — full comparison2018
The first generation in our catalog.
Specifications
Key specs by generation
| Coldcard Mk1 · 2018 | Coldcard Mk3 · 2018 | Coldcard Mk2 · 2019 | Coldcard Mk4 · 2022 | Coldcard Mk5 · 2026 | |
|---|---|---|---|---|---|
| Secure Element chip | — | — | — | Yes | Yes |
| Open-source firmware | No | No | No | No | No |
| Air-gapped signing | — | — | — | Yes | Yes |
| Signing connectivity | — | — | — | USB-C, NFC, microSD | USB-C, NFC, microSD |
| Screen size | — | — | — | 0.8″ | 1.54″ |
| Built-in battery | — | — | — | No | No |
| Weight | — | 30 g | — | 30 g | 30 g |
| Score | — | — | — | 6.3 | 6.9 |