Bitcoin Core Development Revives with 135 Contributors and Successful Security Audit
Written by Ohris M. Greyoon, Blockchain & Crypto Expert
- Contributor Growth: Bitcoin Core development sees a revival in 2025 with 135 independent contributors, reflecting a 60% year-over-year increase, which not only marks a resurgence in development activity but also enhances the stability and attractiveness of the Bitcoin network.
- Successful Security Audit: Bitcoin Core has undergone its first public third-party audit conducted by Quarkslab, revealing no major vulnerabilities, which bolsters stakeholder confidence in the protocol's robustness and security.
- Significant Code Improvements: Over the past year, approximately 285,000 lines of code have been changed in Bitcoin Core, a substantial update that not only enhances the protocol's functionality but may also foster future innovations and developer engagement.
- Historical Trend Reversal: The increase in contributors mirrors past peaks, such as in 2018, and experts suggest that this growth trend could further stimulate miner and developer activity, thereby maintaining network reliability and security.
About the author

Ohris M. Greyoon
Ohris M. Greyoon holds a Master’s in Computer Science from MIT and has 10 years of experience in blockchain technology and cryptocurrency markets. A pioneer in decentralized finance (DeFi) analysis, he leads Intellectia’s Crypto News, offering cutting-edge insights into digital assets.





