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Bitcoin News Today: The initial independent review of Bitcoin Core's security finds no major vulnerabilities

Bitcoin News Today: The initial independent review of Bitcoin Core's security finds no major vulnerabilities

Bitget-RWA2025/11/19 18:58
By:Bitget-RWA

- Brink funded Quarkslab's first independent Bitcoin Core security audit, revealing no critical vulnerabilities in the protocol's reference implementation. - The audit confirmed Bitcoin Core's robust security policies, identifying only two low-severity issues and 13 non-classified vulnerabilities. - Enhanced testing frameworks and file system optimizations from the audit are now being integrated into Bitcoin Core's codebase. - This marks a shift toward third-party validation for open-source blockchain secu

Brink, a prominent

development group, has sponsored the first-ever independent third-party security assessment of Bitcoin Core, marking a significant step in the cryptocurrency’s ongoing mission to strengthen its security framework. The review, carried out by cybersecurity specialists Quarkslab and backed by the Open Source Technology Improvement Fund (OSTIF), found no major or critical flaws in Bitcoin’s reference software, highlighting its resilience even as concerns about blockchain security rise .

This audit, launched in partnership with Bitcoin Core contributors Niklas Gögge (representing Brink) and Antoine Poinsot (from Chaincode Labs), featured an in-depth assessment. The process included manual code inspection, both static and dynamic automated analysis, and advanced fuzz testing—a technique that introduces random data to uncover unexpected issues. The findings showed that Bitcoin Core’s security protocols, which have been improved over time, have successfully reduced significant risks.

, just two minor issues and 13 unclassified vulnerabilities were found, with no medium- or high-severity bugs present.

Bitcoin News Today: The initial independent review of Bitcoin Core's security finds no major vulnerabilities image 0
The report also pointed to concrete upgrades in Bitcoin Core’s testing systems. Newly introduced fuzz testing tools for block connection and chain reorganization, along with improvements to file system operations, have made security checks more effective. Developers are already merging these enhancements into the Bitcoin Core codebase, .

Brink’s project represents a shift from Bitcoin Core’s usual approach, which has traditionally depended on community-led code reviews instead of outside audits. By bringing in Quarkslab—a company specializing in software security—the initiative sets a new standard for independent verification in open-source blockchain projects.

, “This audit demonstrates that Bitcoin Core’s dedication to security has produced real results,” Brink stated, noting that the effort fits into broader strategies to counter new risks in the crypto world.

The completion of this audit comes at a time of increased focus on blockchain security, especially as more institutions begin to adopt Bitcoin. Although Bitcoin Core continues to be the most popular version of the protocol, its code is under mounting pressure to achieve enterprise-level security. The lack of major vulnerabilities in this review offers confidence to both developers and investors, though experts stress that ongoing vigilance remains necessary.

Meanwhile, other companies in the Web3 security sector are advocating for broader reforms. Oak Security, for example,

to advance a “shared-responsibility” approach to cybersecurity, suggesting that single audits alone cannot stop attacks. Still, for Bitcoin Core—a system built to function without centralized control—the Quarkslab review is a practical move toward balancing openness and security.

As the Bitcoin ecosystem evolves, such independent audits may become standard practice, especially as regulatory oversight grows. For now, Brink’s effort has established a new benchmark, proving that even the most established blockchain networks can gain from external review.

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Disclaimer: The content of this article solely reflects the author's opinion and does not represent the platform in any capacity. This article is not intended to serve as a reference for making investment decisions.

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