GitHub's Fake Star Economy: 6 Million Fraudulent Stars Found
Original: GitHub's Fake Star Economy
Why This Matters
Exposes systematic manipulation of GitHub metrics used by VCs for startup evaluation
CMU study reveals 6 million fake GitHub stars across 18,617 repositories using 301,000 accounts. Stars sell for $0.03-$0.85 each on public marketplaces. VCs use star counts as funding signals, with median seed round repos having 2,850 stars.
A peer-reviewed Carnegie Mellon University study found 6 million fake GitHub stars distributed across 18,617 repositories by 301,000 accounts between 2019-2024. The problem accelerated dramatically in 2024, with 16.66% of repositories with 50+ stars involved in fake campaigns by July. AI/LLM repositories were the largest non-malicious category receiving fake stars at 177,000. Stars sell openly for $0.03-$0.85 each on websites, Fiverr, and Telegram channels. VCs explicitly use star counts for deal sourcing - Redpoint found median star count at seed funding is 2,850. The researchers' tool StarScout analyzed 20 terabytes of GitHub metadata. 90.42% of flagged repositories were later deleted by GitHub, confirming manipulation. 78 fake-starred repositories appeared on GitHub Trending, proving the algorithm can be gamed.