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Cold card's trng claim sparks concerns among wallet users

Hardware Wallet Debate | ColdCardโ€™s TRNG Claims Undermine Trust

By

Ethan Johnson

Aug 5, 2026, 06:00 PM

Edited By

Naomi Turner

3 minutes reading time

A close-up of a ColdCard hardware wallet on a desk, with a concerned person looking at it, symbolizing security doubts.
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A wave of skepticism is sweeping through the cryptocurrency community as users question the reliability of hardware wallet manufacturers. Coinkiteโ€™s ColdCard recently claimed to utilize True Random Number Generation (TRNG), but revelations suggest that the system might not work as advertised.

Controversy Erupts Over TRNG Integrity

Users have expressed doubts about ColdCard's integrity regarding its entropy generation, with many recalling similar claims made by competitors like Ledger and Trezor. This skepticism is fueled by the assertion that ColdCard's chip was unable to generate truly random seeds as intended, a key function for ensuring security. As one user put it: "CC has a TRNG, but the firmware did not call upon it when it said it did."

This has led to larger questions about the security protocols in place across the board for hardware wallets. Concerns are growing: if ColdCard has issues, could others follow suit?

Key Concerns Among Users

  1. Entropy Generation Flaws: Users worry that ColdCardโ€™s TRNG was either misconfigured or poorly executed, potentially exposing wallets to vulnerabilities.

  2. Trust in Closed Source Systems: Many commentators have pointed out that other wallets, particularly those with closed source systems, are difficult to verify under scrutiny. As one comment notes, "For example, Ledger has strictly closed source entropy generation"

  3. DIY Approaches to Security: With increasing doubts, some users advocate for generating seed phrases themselves, suggesting manual entropy measures like using physical dice.

"Trusting a closed-source chip is always a leap of faith," said one concerned user, emphasizing the necessity for verification.

Trust in the Balance

Interestingly, not all wallets have experienced the same scrutiny as ColdCard. Reports indicate that while cold wallets have faced challenges, they have not been exploited similarly. This becomes crucial as users weigh their options in a market rife with uncertainty

Insights from the Community

Users are frustrated but remain engaged:

  • "It's the right question to be asking," one user remarked, highlighting the need for accountability.

  • Others have pointed out the silver lining: "Iโ€™m sure all other wallet manufacturers have double-checked it now."

Key Takeaways

  • ๐Ÿ” ColdCardโ€™s firmware may have mishandled TRNG, sparking trust issues.

  • ๐Ÿ›ก๏ธ Users are urged to create their own entropy for added security, fearing reliance on manufacturers.

  • ๐Ÿฆ While ColdCard faces scrutiny, other wallets have not yet experienced similar exploits.

As this developing story unfolds, users continue to seek clarity in their hardware wallet choices. The growing consensus suggests a prudent approach: verifying information, understanding risks, and potentially engaging in self-managing security are more important than ever.

What's Next for Security in Crypto Wallets

Experts expect that the scrutiny on ColdCard will provoke a wave of enhanced security measures across hardware wallet manufacturers, with an estimated 70% likelihood that competitors will boost transparency regarding their entropy generation systems. As users shift their focus to trust and accountability, we may see a rise in open-source initiatives, giving people clearer insights into the complexities of their devices. With anxiety over vulnerabilities driving discussions, it is likely that more people will consider DIY security methods, bringing the likelihood of increased activity around personal crypto security protocols to about 60%.

Echoes of the Past: The Chipotle Crisis

This situation bears a striking resemblance to the Chipotle food safety crisis a few years back, during which numerous outbreaks of foodborne illness forced the chain to overhaul their food safety practices. Just as consumers began turning away from Chipotle due to the loss of trust in their food handling, the current concerns regarding ColdCardโ€™s TRNG could lead to a similar withdrawal of confidence in hardware wallets. Both cases highlight how a single lapse can precipitate widespread mistrust, prompting companies to reconsider their approaches, ultimately altering their operations to regain public faith.