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Are hardware wallets reliable? addressing trng claims

Trust Issues Emerge | Critique of TRNG in Hardware Wallets

By

Nina Torres

Aug 5, 2026, 11:37 PM

2 minutes of reading

A close-up of a hardware wallet with a key next to it, highlighting security concerns about random number generation.

Concerns are rising among crypto enthusiasts regarding the reliability of True Random Number Generators (TRNG) in hardware wallets like ColdCard. Users express skepticism after reports surfaced about vulnerabilities that could jeopardize security across various wallet brands.

The Fallout from ColdCard's Problem

Recent discussions on forums spotlight significant doubts about manufacturers’ claims about their devices’ security. Users are questioning, "How do we know every other hardware wallet doesn’t have the same issues?" The ColdCard vulnerability, where firmware mismanagement reduced the randomness quality, has left many pondering the effectiveness of TRNGs in preventing predictable outcomes.

Users Demand Accountability

In light of the ColdCard incident, people urge manufacturers to be transparent and reliable. One user pointed out, "Claude Code found the bug in 8 minutes, highlighting negligence in testing. You’d expect more from a company specializing in randomness generation." This reflects a growing frustration with insufficient quality checks in critical security features.

A Trust Dilemma

While some users advocate for complete self-reliance in creating keys and wallets, many acknowledge that trusting manufacturers is unavoidable to some extent. A notable sentiment echoes throughout discussions: "You have to trust at some level." Yet, the pendulum of trust swings precariously amid fears of widespread vulnerabilities.

"The firmware bug was the real issue, not the TRNG itself," stated another commentator, highlighting a critical distinction in hardware security.

Key Insights from User Discussions

  • β˜… Significant distrust in hardware wallet manufacturers’ claims about security.

  • ✦ Users show skepticism over whether TRNGs are functioning as intended.

  • βœ… "Adding your own passphrase is a simpler security measure if you don't trust the manufacturer." – community sentiment

Epilogue

As questions grow about hardware wallet integrity, the crypto community demands answers and accountability. Many experts agree on one thing: users must strive for transparency in security to foster a trusting ecosystem.

Forecast of Hardware Wallet Evolution

There’s a strong chance the hardware wallet market will see significant changes as manufacturers respond to growing distrust. Experts estimate around 60% of wallet brands might adopt stricter security protocols, increasing transparency levels on TRNG reliability. This might drive innovation, resulting in improved firmware testing processes to prevent vulnerabilities like ColdCard's from occurring again. As people demand more accountability, companies that actively engage in quality assurance could gain a competitive edge, potentially reshaping consumer trust in the industry.

Echoes from Past Technological Concerns

This situation mirrors early 2000s issues with digital camera manufacturers who claimed optical innovations while battling consumer skepticism. When companies failed to deliver on promises of superior image quality, a backlash forced them to invest in genuine advancements in technology. Just as those brands learned that long-term success relied on earning consumer trust through reliable performance, hardware wallet makers must now prioritize transparency and accountability to secure their place in a wary crypto landscape.