Illinois’s pioneering tax on cryptocurrencies and other digital assets, enacted by Governor JB Pritzker last month, is now confronting a significant legal hurdle. The Chamber of Digital Commerce, a prominent industry association, has filed a lawsuit, asserting that the new legislation is unconstitutional. The core of their argument centers on the claim that the law unfairly targets specific financial instruments based solely on the technological method used to record their transactions, thereby violating fundamental rights to due process, equal protection, and the principles of uniform taxation and interstate commerce.
The controversial tax was approved by the Democratic-controlled Illinois General Assembly during legislative overtime, forming a component of the state’s nearly $56 billion spending plan for the fiscal year that commenced on July 1. Scheduled to take effect on January 1, the tax is projected to generate an estimated $60 million in new revenue, intended to bolster the state’s operational budget. This move was framed by proponents, including House Speaker Emanuel "Chris" Welch, as an election-year initiative aimed at "closing corporate loopholes and making big tech companies and crypto billionaires pay their fair share."
However, the Chamber of Digital Commerce, representing over 250 global digital asset industry members, officially launched its legal opposition by filing a lawsuit in Sangamon County Circuit Court on Tuesday. Their objective is to halt the implementation of this novel tax. The association’s 32-page complaint meticulously outlines their case, arguing that the Illinois law imposes a tax on "economically identical property solely because ownership is recorded and transferred using blockchain technology," the distributed ledger system that underpins most cryptocurrencies.
The Core of the Legal Argument: Discrimination Based on Technology
The Chamber contends that the distinction drawn by the Illinois law between digital assets and traditional financial instruments like cash, stocks, and bonds is superficial and based on the mode of exchange rather than the intrinsic nature of the property. The lawsuit posits that Illinois is not taxing a fundamentally new form of property but rather an "old kind of property recorded in a new way." This argument draws a historical parallel, stating, "Telegraphs gave way to telephones. Paper stock certificates became electronic book-entry systems. Physical trading floors became electronic exchanges. Checks evolved into electronic funds transfers and real-time payment networks." The Chamber asserts that in these historical technological shifts, laws did not impose "materially different tax burdens on identical property merely because the infrastructure through which commerce was conducted had evolved." They position blockchain technology as the "next stage of that evolution," emphasizing that it alters the method of recording and transferring ownership but not the underlying economic rights.
Governor Pritzker’s Stance and Official Response
Interestingly, Governor Pritzker, himself a billionaire with a background in technology investment, has previously expressed opposition to taxes on certain financial transactions. In April 2023, he voiced his disagreement with a similar tax concept that then-Chicago Mayor-elect Brandon Johnson had supported. Pritzker indicated at the time that he would veto any state-level legislation enabling a city financial transaction tax. When approached for comment on the current lawsuit, Pritzker’s office did not respond. David Harris, Director of the Illinois Department of Revenue and named as the lead defendant, stated that "any comments at this time would be premature," suggesting the department is still reviewing the legal challenge.

Details of the New Tax and Its Enforcement
The newly enacted state law introduces a 0.2% levy on cryptocurrencies and other digital assets that are traded through brokers. It is important to note that this tax does not extend to private transactions conducted directly between individuals. Beginning January 1, brokers operating within Illinois will be mandated to register with the Department of Revenue and are responsible for collecting this tax from their Illinois-based customers. The enforcement provisions are stringent, with brokers found to be in violation of the law facing potential Class 3 felony charges, which carry a maximum penalty of five years in prison.
Broader Implications and Vague Definitions
Beyond the fundamental constitutional challenge, the Chamber of Digital Commerce also argues that the Illinois law is inherently flawed due to vague definitions. They highlight the Department of Revenue’s lack of published regulations or guidance on critical aspects of the tax’s application. Specific areas of concern include determining "when blockchain operations constitute one or multiple taxable occurrences, or prescribing how customer location is to be determined." The lawsuit provides an illustrative example: a single customer could theoretically be taxed multiple times for transferring the same digital asset between different digital wallets, even if ownership never changes hands. This ambiguity, the Chamber argues, places an undue burden on regulated businesses to prove that certain transactions should be exempt, especially when the technical nature of blockchain transactions makes it difficult to pinpoint a single geographical location. The Chamber is seeking both preliminary and permanent injunctions to block the tax’s implementation, along with reimbursement for legal fees and associated costs.
A Pattern of Tax Challenges in Illinois
The cryptocurrency tax is not the sole component of Illinois’s recent tax package to face legal scrutiny. Another significant challenge comes from Kalshi, an online prediction market, which has sued the state in federal court in Chicago. This lawsuit targets a separate tax provision that imposes a 1.75% tax on each exchange wager up to $5 million per operator annually, escalating to 3.5% for wagers exceeding that threshold. Kalshi argues that this tax constitutes an unconstitutional attempt by the state to regulate "event contracts," a domain they believe falls under federal jurisdiction. The state, however, contends that the measure is simply an increase in taxes for certain licensees under existing sports betting laws, clarifying their applicability to prediction markets. While the tax is in effect, the state has agreed not to pursue regulatory or criminal actions against Kalshi while the company’s request for a preliminary injunction is pending. It is noteworthy that Governor Pritzker’s budget does not anticipate revenue from taxing prediction markets, likely due to the expectation of legal challenges.
Similarly, a new 10% tax on the gross receipts of companies with digital ad revenue from Illinois exceeding $1 million annually, set to take effect on January 1, could also face legal challenges. Maryland has already experienced legal opposition to a comparable law. Furthermore, a proposed per-user tax on large social media companies, also slated for January 1 implementation, has been acknowledged by some proponents as potentially subject to legal challenges, despite the current year’s budget anticipating $200 million in revenue from this levy.
The legal battles surrounding these new tax measures underscore the complex and evolving landscape of financial regulation in the digital age. As Illinois seeks to generate new revenue streams, it is encountering significant resistance from industries that argue the state’s approach is legally questionable and potentially harmful to innovation and economic growth. The outcome of these challenges could set important precedents for how states tax emerging digital assets and technologies.









