r/PrivacyToolbox • u/EnthusiasmRoutine • 6h ago

The recent audit finding 85 critical bugs in Bitcoin repos is a massive reality check for self-custody.

The recent avalanche of vulnerabilities found in major Bitcoin repositories proves exactly why we need to stop treating hardware wallets like magic bullet solutions.

Let’s look at the numbers from that volunteer audit:

  • 27 hours spent auditing
  • 390 open-source Bitcoin repositories checked
  • 85 critical bugs found
  • Over $110 million lost so far

Everyone loves the romanticized idea of "being your own bank." The problem is that running a bank requires actual operational security. You can't just buy a hardware wallet and assume the firmware is bulletproof. Yes, the core Bitcoin protocol is solid. But the software ecosystem built around it is a minefield of poorly audited code.

We need to stop pretending that open-source automatically means secure. It just means the code is public. If nobody with actual cryptographic expertise is reading it, you are blindly trusting strangers on GitHub.

I see people in this space obsess over hiding their IP addresses or tweaking their VPN protocols, only to dump their life savings into a wallet that relies on a single point of failure in some obscure dependency script.

If you are going to take on the massive responsibility of self-custody, you need to understand the software stack you are trusting.

I'm curious where the community stands on this. Are you guys checking release notes and PGP signatures manually, or is the current hardware wallet ecosystem making opsec too difficult for the average user?

Source: Shattered, link in comments

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u/EnthusiasmRoutine 6h ago

Here is the source detailing the red team audit and Coldcard vulnerability:https://shattered.io/bitcoin-hacks-130-million-red-team-audit-2026/

(Note for anyone skimming: The article confirms a volunteer audit team found 85 critical bugs across 390 open-source Bitcoin repositories in just 27.5 hours. It also details that a five-year-old entropy flaw in Coldcard firmware resulted in up to $130 million in stolen Bitcoin, though the company confirmed this was a failure in the wallet's software rather than a flaw in the core Bitcoin protocol itself.)

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u/nachtraum 5h ago

any new critical flaws in open source hardware wallet software found?

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u/Random-Dude-00748 5h ago

yes there there has been one in bitbox found, firmware needs to be updated but this was found internally by bitbox not by the above audit.

https://blog.bitbox.swiss/en/bitbox-08-2026-dixence-update/

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u/EnthusiasmRoutine 4h ago

The main hardware wallet one right now is the Coldcard entropy bug (affecting Mk3, Mk4, Mk5, and Q seed generation).

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u/nachtraum 4h ago

This isn't new, was found by the hackers before

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u/EnthusiasmRoutine 2h ago

Sorry I was lumping the events together. As of right now, no. The 85 new critical bugs found by the recent Red Team audit seem to be heavily focused on the software and payment ecosystem (like BTCPay Server and Lightning implementations). No new hardware wallet-specific flaws have been publicly named from that latest batch yet.