# COLDCARD

> COLDCARD is a Bitcoin-only signing device (hardware wallet) by Coinkite Inc.
> This file provides live, AI-friendly context for products, firmware, and documentation.

## Live stats


- Firmware files indexed: 111
- Platforms covered: 6
- Latest release date: 2026-03-05

## Top firmware platforms (live)

- 1. COLDCARD Mk4 (MK4): 43 files, latest 5.4.5
- 2. COLDCARD Q (Q1): 40 files, latest 1.4.0Q
- 3. Edge Firmware (EDGE): 13 files, latest 6.4.1QX
- 4. COLDCARD Mk3/Mk2 (MK3): 12 files, latest 4.1.9
- 5. COLDCARD Mk (MK): 2 files, latest 5.5.0


## Key links

- Product pages: https://coldcard.com/q and https://coldcard.com/mk5
- Downloads: https://coldcard.com/downloads
- Documentation: https://coldcard.com/docs/
- F.A.Q: https://coldcard.com/faq
- Hardware wallet comparison: https://coldcard.com/docs/compare-other-wallets/ (full table in llms-full.txt)
- AI context JSON: https://coldcard.com/api/ai-context
- Full AI context: https://coldcard.com/llms-full.txt