In a landmark lawsuit, 18 Republican-led states are challenging the Securities and Exchange Commission (SEC), accusing the federal agency of regulatory overreach in its approach to cryptocurrencies. The coalition, spearheaded by Kentucky Attorney General Russell Coleman, filed the suit (PDF) in a Kentucky district court, supported by the DeFi Education Fund, a crypto advocacy group. At the heart of the case is a battle over who should regulate the crypto industry: states or federal agencies like the SEC.

The states argue that the SEC’s recent spate of enforcement actions amounts to a unilateral power grab, bypassing Congress and trampling on state sovereignty. They claim the SEC is trying to redefine cryptocurrencies as securities, thus placing them under its jurisdiction. SEC Chair Gary Gensler has previously stated that most cryptocurrencies, except Bitcoin and a few others, qualify as securities—a stance that has sparked widespread criticism from crypto advocates and policymakers alike.

The lawsuit contends that the SEC’s actions not only overstep its authority but also stifle innovation and economic growth in the crypto sector. The states assert that they are better positioned to regulate the industry through tailored frameworks that address local consumer protection needs.

Critics of the SEC, including many in the crypto industry, have long accused the agency of “regulation by enforcement.” Under Gensler’s leadership, the SEC has pursued legal action against major crypto players like Coinbase, Binance, and Ripple, alleging violations of securities laws. While courts have occasionally sided with the SEC, the agency’s tactics have drawn bipartisan criticism.

The states’ lawsuit highlights federalism principles, arguing that Congress deliberately left digital assets outside the SEC’s purview, allowing states to craft their own regulatory approaches. This legal challenge echoes the crypto industry’s broader pushback against what it perceives as inconsistent and overly aggressive federal oversight.

The lawsuit also reflects the growing politicization of crypto regulation. With President-elect Donald Trump receiving significant financial backing from the crypto industry during his campaign, the lawsuit aligns with Republican efforts to curtail what they describe as the Biden administration’s “war on crypto.” Trump has promised a more industry-friendly regulatory environment, further amplifying the political stakes of this legal battle.

What’s next?

The outcome of this lawsuit could reshape the regulatory landscape for cryptocurrencies in the U.S. If the states prevail, it may limit the SEC’s role in the crypto space, empowering states to develop localized frameworks. However, if the SEC wins, it will solidify its authority, potentially leading to stricter federal oversight of the industry.

For now, the crypto world watches closely as this high-stakes battle unfolds in court.