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Bitbox uncovers over 4 vulnerabilities in wallets

Hardware Wallet Maker Uncovers Major Vulnerabilities in Rivals | Shock Findings Mobilize Crypto Community

By

Rajesh Kumar

Aug 19, 2026, 07:07 AM

Edited By

Oliver Brown

2 minutes needed to read

Bitbox hardware wallet display with highlighted vulnerabilities in other wallets, emphasizing security features.

A hardware wallet manufacturer, Bitbox, has identified over four significant vulnerabilities in competing wallets. Responsible disclosures reveal critical security flaws in popular devices from Coldcard and Trezor. This raises eyebrows in a market where security is paramount.

Context of the Discovery

The vulnerabilities span several years and involve various attack vectors. The details include:

  • Remote multisig theft attack on Coldcard, November 2020

  • Ransom attack related to passphrase handling on Trezor and Keepkey, August 2020

  • Bitcoin mainnet/testnet cross-account signing issue identified in Coldcard, August 2020

  • Malicious change in mixed transactions posted about Trezor, March 2020

Interestingly, Bitbox's own product, the Bitbox02, stands out for its robustness against a nonce-covert channel attack, a relatively unheard-of threat.

"Responsible disclosure across four separate bugs is exactly what you want to see," noted one commenter, underlining the importance of consistent security practices.

Voices from the Community

The response from the crypto community varies, highlighting concerns about overall industry security. Key themes from user comments include:

  1. Trust issues with hardware wallets: Users express skepticism about the safety of older wallets, questioning their reliability given the potential for undiscovered vulnerabilities.

  2. Firmware updates critical: A frequent advice suggested is to keep wallets updated to mitigate risks, regardless of brand loyalty.

  3. Marketplace skepticism: Some maintain that most people won’t act on these vulnerabilities, thus leaving the broader market open to risks.

One user commented, "Even if you do all of that, you know the rest of the market won’t follow suit." This sentiment captures a prevailing anxiety.

Key Insights

  • πŸ”‘ Bitbox identifies vulnerabilities in wallets from competitors dating back to 2020.

  • πŸ”„ Users stress the need for constant firmware updates: "Assume they're not secure, update them!"

  • 🚨 "No hardware wallet is a magic brick," emphasizes another user.

As the crypto landscape matures, these findings spotlight a growing need for vigilance, transparency, and ongoing updates in wallet security practices. Is the crypto community ready to step up their safety game, or will complacency reign? Crypto enthusiasts are clearly on alert.

What Lies Ahead for Crypto Wallet Security

As the findings from Bitbox sink in, there's a strong chance that we’ll see a wave of renewed scrutiny on hardware wallets. Experts estimate that major brands will likely rush to issue firmware updates and patch vulnerabilities to restore user confidence. This newfound urgency could lead to tighter regulations around security standards in the industry, as users demand more transparency. If the crypto community rallies behind security improvements, we could witness a significant uptick in consumer trust, with nearly 60% of people likely choosing brands that prioritize safety over mere functionality in the coming months.

Echoes from the Past: A Lesson from the Computer Virus Era

Reflecting on the tech industry, the 1980s saw a burst of innovation in personal computing, paralleling today's crypto boom. Just as software developers scrambled to address growing security threats from viruses and hackers, hardware wallet manufacturers face similar pressures. Back then, the rise of antivirus solutions marked a significant shift toward user education and safe browsing practices. This historical moment underscores a critical reality: just as users became more vigilant, adapting to protect their digital lives, the crypto world may experience a similar awakening that transforms its approach to security.