The US has the most complex crypto regulatory environment in the world. Understand the roles of the SEC, CFTC, IRS, FinCEN, and how the patchwork of regulation affects traders and investors. The SEC's use of the Howey Test to classify tokens as securities has triggered dozens of enforcement actions, while the IRS treats every crypto trade as a taxable event — see our tax guides for compliance tips. Choosing a regulated platform is critical, so review our crypto exchange comparison to find US-compliant options.