Vibe-Coded DeFi: How an AI Co-Authored Oracle Bug Drained $1.8M From Moonwell

A pricing glitch that lasted only minutes has left DeFi lender Moonwell with nearly $1.8 million in bad debt — and the governance code that introduced the bug was co-authored by Claude Opus 4.6, an AI coding assistant. If you needed a single incident to crystallize everything that'