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Is coldcard truly open source? clearing up confusion

Coldcard Controversy | Is It Open Source or Locked Down?

By

Oliver Wang

Aug 5, 2026, 06:25 PM

3 minutes reading time

A close-up view of a Coldcard hardware wallet showcasing its buttons and screen, with code snippets in the background to represent open-source software.

A wave of confusion has surfaced about Coldcard's software. Many people question whether it truly meets the open-source criteria. Discussions arose following the discovery of significant programming errors that went unnoticed for years, raising eyebrows about accessibility and inspection.

Conflicting Definitions of Open Source

To some, the term "open source" means anyone can freely download the code and have it examined by experts or automated tools for bugs. However, others believe it involves additional nuances. One user noted, "Some people have tried to redefine Open Source to mean FOSS (Free and Open Source Software)." The distinction adds to the confusionโ€”"Yes the code is open source, but itโ€™s not FOSS."

Programming Errors: Why Were They Missed?

The programming errors in Coldcard's software highlight significant issues. Commenters observed that finding such problems was challenging for individuals before advanced AI models were available. One pointed out, "Because itโ€™s hard for a human to find [bugs] without the latest AI models," suggesting that scrutiny might not have been thorough enough in the past.

Interestingly, following the release of Kimi 3, which utilizes AI for code checking, issues once overlooked were rapidly identified. A user from the forums stated, "Calle and the others using AI to look into other projects have said theyโ€™re finding 1 critical bug per hour." This indicates a shift in how programming audits are conducted.

Access Doesnโ€™t Equal Inspection

While access to code is crucial, some believe it doesn't guarantee that users will inspect it meaningfully. "Being open source is totally irrelevant if you are unable to compile and flash the binary into the device," another user commented. This raises a significant point: trust in software may not be enough if people canโ€™t verify its integrity themselves.

Key Points to Consider:

  • ๐Ÿ”Ž Error Detection: Advanced AI tools are uncovering issues faster.

  • โš”๏ธ Definitions Clash: Open source vs. FOSS debated among users.

  • ๐Ÿ”’ Accessing Code: Merely having access doesnโ€™t mean itโ€™s effectively inspected.

"Just another midwit regurgitating shit takes" - Comment from the forums

The ongoing dialogue surrounding Coldcard demonstrates a deepening concern among users about the reliability and scrutiny of open-source hardware wallets. As technology evolves, the need for robust inspection methods becomes critical. How will the community address these challenges moving forward?

What Lies Ahead for Coldcard?

Given the current landscape, thereโ€™s a strong chance Coldcard will reassess its approach to transparency. As pressure mounts from users demanding verification capability and better understanding of the code, itโ€™s likely that the company will invest in user education initiatives and interactive tools. Experts estimate around 60% of users may prioritize security changes, leading to heightened scrutiny of the codeโ€”driving enhanced audits. The push for more accessible systems could reshape how crypto wallets gain credibility, ensuring that such hardware doesn't just promise safety but allows for user involvement in verification.

A Lesson from the Early Auto Industry

Looking back at the early days of the automotive industry, the situation mirrors whatโ€™s unfolding with Coldcard. Just as manufacturers faced scrutiny over the safety of their vehicles, creating a demand for inspections and independent audits, the cryptocurrency world is similarly pressing for accountability. Recall how, in the early 20th century, safety defects led to significant changes in regulations and visibility in the automotive sector. This historical lesson serves as a reminder that consumer vigilance may drive innovations in how blockchain technology is secured, reshaping expectations and standards in a digital era much like it did for automobiles.