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Concerns about trng reliability in hardware wallets

Trust Issues Mount in Hardware Wallets | Users Question Manufacturer Claims

By

Fatima Ahmed

Aug 5, 2026, 11:37 PM

2 minutes needed to read

Illustration showing hardware wallets with security icons and question marks about True Random Number Generators

A rising wave of skepticism surrounds hardware wallet manufacturers as users question recent claims about trusted random number generators (TRNGs). Amid concerns over potential vulnerabilities, many are asking: how reliable are these devices?

The ColdCard Controversy

Recent statements from brands like Ledger and Trezor claim they remain unaffected by a ColdCard vulnerability that allegedly stemmed from its TRNG failure. However, discussions on forums highlight widespread distrust in the industry.

One user stated, "Trust me bro," emphasizing a growing sentiment that manufacturers may not be as reliable as they claim. Users argue that without transparency, all hardware wallets could be at risk. One commenter noted that trust at some level is inevitable, yet skepticism remains high.

The Challenge of Trust

Many users are rethinking their reliance on manufacturers. "If you don’t trust the manufacturer, generate the seed for yourself," advised one community member. Others pointed out that even firmware can have flaws. Claude Code, a developer, pointed out negligence: "The problem with ColdCard was negligence and lack of testing." This sentiment resonates widely, as users feel firms should ensure their devices meet rigorous security standards.

The Role of Software and Firmware

The ColdCard incident exposed how firmware bugs can drastically affect device performance. While the hardware contained a physical TRNG, a firmware mishap bottlenecked the randomness to a much more predictable level.

One poster highlighted how certain companies like Ledger use CC EAL6+ certified Secure Element chips, which undergo independent testing for securityβ€”a stark contrast to ColdCard's recent issues.

Key Concerns Uncovered

  • 🚨 Users emphasize self-management of seed generation due to trust deficits.

  • ⚠️ The ColdCard software bug was a significant concern, exemplifying potential flaws in low-funded or under-tested products.

  • πŸ” A majority believe that all hardware wallets might share similar weaknesses if not adequately evaluated.

"The hardware wasn't the problem. The software path around it was," one user reflected on the ColdCard failing.

Overall, the sentiment is a mix of wariness and urgency, pushing many to reconsider their digital asset security. As technology evolves, so do threats, and the calls for accountability from manufacturers are louder than ever.

The Path Forward for Hardware Wallets

There’s a strong chance that hardware wallet manufacturers will face increased scrutiny in the coming months. As concerns about TRNG reliability persist, firms may start to implement more transparent testing processes, with experts estimating that at least 60% will adopt independent audits to restore user trust. With the rise of alternative seed generation methods, it’s likely we will see a shift in how users manage their digital assets, leading to more software solutions that emphasize personal control over assets. The industry may also experience consolidation, with smaller firms either forced to innovate or face extinction due to a lack of trust from the community.

Historical Echoes in Trust and Technology

A fresh comparison can be drawn to the early days of mobile banking, when security breaches sparked widespread fear among users, resulting in a significant shift towards more robust protective measures. Just as consumers once hesitated to trust applications with their finances, a similar doubt now looms over hardware wallets. Trust in technology often hinges not only on its perceived reliability but also on the transparency of its creators. Those days remind us that skepticism can ignite innovation, driving the industry forward to enhance security standardsβ€”much like users began demanding better encryption practices decades ago.