This chapter analyzes the growth of OTC derivatives before the global financial crisis of 2008 and the role of credit default swaps, in particular, in the near collapse of the global economy. It begins by exploring the basic characteristics of derivatives used as risk management instruments by investors to hedge against or exploit the volatility of asset prices. The analysis further reveals that the pre-crisis period was characterized by a broad-based consensus favoring deregulated markets and globally designed private rules. While not always unanimously supported, permissive public regulatory choices were often encouraged by interest group lobbying, the market-friendly views of many domestic authorities, and concerns about regulatory uncertainty and international competitiveness.