The Hidden Layer Every AI Developer Must Learn

Late January 2026. A developer ships a social network over a weekend. No traditional code written — just prompts, a vision, and an AI that turned ideas into a working product in days. The platform goes viral. Andrej Karpathy, OpenAI co-founder, calls it "the most incredible sci-fi takeoff-adjacent thing I have seen recently." Then a security researcher opens the browser's developer tools. Within minutes, they find an API key sitting in plain JavaScript — visible to anyone who knows how to press...