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❄️ Firmware and simulator for Coldcard Hardware Wallet
This repository page is useful for visitors, but Git-Stars keeps it out of search indexing until more original evidence and comparison context are available.
55
review score
Problem solved
This project solves the problem of securely storing Bitcoin private keys and signing transactions in a hardware device that is verifiable and reproducible, protecting against malware and remote attacks. It also addresses the need for users to trust the firmware by enabling reproducible builds.
Deployment reality
The available setup signal starts with: git clone --recursive https://github.com/Coldcard/firmware.git. Treat this as a starting point, then ask Codex or Claude to inspect the README, environment variables, runtime version, and deployment target before production use.
Commercial use
The recorded license is NOASSERTION. This is a useful commercial-use signal, but teams should still verify license text, dependencies, model/API terms, and trademark constraints.
Capability ceiling
Coldcard/firmware still needs a clearer capability analysis. Use the metadata as a discovery signal, not as a production recommendation.
Git-Stars is independent and not affiliated with GitHub or this project. Analysis may be AI-assisted and based on public repository metadata plus short README-derived summaries. We do not mirror full README files, docs, issues, or social comments.
Coldcard/firmware is tracked as a Python project in the Developer Tool, UI Framework, Infrastructure area. This evaluation combines public GitHub metadata, category signals, short source summaries, and Git-Stars editorial rules rather than copying project documentation.
Momentum check: the repository has 773 total stars, with +0 today, +33 this week, and +0 this month. These growth windows help distinguish durable adoption from short-lived visibility spikes.
Maintenance check: current activity is Active; the latest push was 18 days ago, and the open issue queue is 27, about 3.49% of total stars. Treat this as an adoption signal, not a substitute for engineering due diligence.
Adoption check: 217 forks and 773 watchers suggest how often the project is reused or followed. License signal: NOASSERTION. Always verify license compatibility before commercial or internal use.
Practical fit: this project is most relevant when you need Python teams evaluating ecosystem-native tooling. Be cautious when you need a legal review, security audit, or production SLA.
Source check: Git-Stars currently has 2 explicit source reference(s) for this report and a recent growth signal of 33. Follow the original GitHub repository for final install, security, and release information.
Analysis
LimitedNeeds stronger original analysis before indexing.
Sources
ReadyRepository metadata and README/source references are attached.
License
LimitedLicense is unknown and should be checked before commercial use.
Maintenance
ReadyRecent activity is visible in repository metadata.
Alternatives
ReadyEnough nearby projects exist for comparison.
Momentum
773 Stars
Reuse
217 Forks
Attention
773 Watchers
Maintenance
active
License
NOASSERTION
Open issues
27
COLDCARD is an affordable, ultra-secure, and verifiable hardware wallet for Bitcoin, with firmware that supports reproducible builds and a simulator for development. It provides a secure environment for generating and managing Bitcoin private keys and transactions.
Key Features
- Reproducible builds using Docker and make to verify firmware binaries. - Desktop simulator for development and testing on macOS and Linux. - Support for multiple hardware models (Mk3, Mk4, Mk5, Q1) with a unified codebase.
Developer Tool
Tools that improve coding, testing, build, and local workflow
UI Framework
Frontend frameworks, design systems, and interface libraries
Infrastructure
Cloud, deployment, networking, containers, and platform tooling
git clone --recursive https://github.com/Coldcard/firmware.git65
Health Score
Active
Commit Activity
Jul 24, 2018
Created
Aug 5, 2026
Last push
+0
Today's growth
+0
7-day growth
+0
30-day growth
Forks
Open
Watchers
Coldcard
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License
✓
Forked
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Maintained