Cryptocurrency has become an increasingly popular investment opportunity in recent years, with many investors turning to digital currencies as an alternative to traditional investments. However, the regulatory landscape surrounding cryptocurrency is complex and evolving, with different countries and jurisdictions taking different approaches to regulating the industry. In the United States, the Securities and Exchange Commission (SEC) plays a critical role in regulating the cryptocurrency industry and protecting investors. In this essay, we will explore the role of the SEC in cryptocurrency, including its regulatory framework and enforcement actions.