First, the basics: I’m not a lawyer, and this isn’t legal advice. This is my honest best understanding of a real, open legal question. I’m writing it as a regular person, and I’ll update it as I learn more. If you’re a lawyer and you think I got something wrong, I want to hear it. That’s the whole point.
Try a simple test. Say you buy $10,000 of Apple stock today and sell it next week. Illinois charges you nothing extra to make those trades. It doesn’t take a cut for moving your money in and out. Now do the same basic thing with Bitcoin. You buy $10,000 of it through an exchange, then move it or sell it. Starting January 1, 2027, Illinois takes 0.2% of the value of that activity.
It’s the same basic move: putting money into an investment and taking it back out through a middleman. One gets taxed. The other doesn’t.
Let me be exact about how the tax works, because the details matter. The new tax is called the Digital Asset Tax Act. It was part of the state budget bill signed last June (Public Act 104-0468). It charges 0.2% on the value of buying, moving, or storing digital assets for an Illinois customer. The businesses that handle these transactions (the law calls them “brokers”) collect the tax and send it to the state, the same way a store collects sales tax. So you won’t get a bill in the mail. It is not a tax on your profits. You owe it whether you made money or lost money. And no other asset has a tax like this. Not stocks. Not bonds. Not any other kind of investment.
That gap is the heart of the matter. Illinois taxes digital asset transactions but leaves every similar financial transaction alone. In my view, that’s the strongest legal argument against this law. And it has a name.
The rule almost nobody has heard of
The Illinois Constitution has a rule called the Uniformity Clause (Article IX, Section 2). In plain English, it means this: when the state decides to tax one group of things but not another, the line it draws has to be fair and reasonable. The state has to be able to explain why one group pays and the other doesn’t.
Here’s the part that surprises people. This state rule protects taxpayers more than the federal rules most of us assume apply. Under the usual federal test, a tax survives if the government can come up with almost any reason for it. The person fighting the tax has to shoot down every possible excuse the government might invent. That’s a nearly impossible job, and the government almost always wins. Illinois is different. Going back to the state’s 1970 constitutional convention, Illinois courts have said again and again that this clause was meant to give taxpayers more protection than the federal rules do. So this isn’t the weak test where the government always wins. It asks harder questions.
The two questions a court actually asks
When someone challenges a tax under this clause, Illinois courts ask two questions. (This two-part test comes from a 1996 case, Allegro Services v. Metropolitan Pier & Exposition Authority.)
Is there a real and substantial difference between the thing being taxed and the thing that isn’t? (A real, meaningful difference, not just a technicality.)
Does that difference have a reasonable relationship to what the law is actually trying to do? (In other words, does the difference truly connect to the law’s real goal?)
Both have to be true. A difference that’s real but has nothing to do with the tax isn’t enough. And a reason that sounds good in theory isn’t enough if it doesn’t match what the law is really for.
This has happened before
If that sounds like a legal technicality, it isn’t. Illinois courts have thrown out taxes for exactly this reason before.
The clearest example is a 1988 case called Federated Distributors v. Johnson. Illinois was taxing two drinks very differently. One was a low-alcohol drink taxed at the high rate meant for hard liquor. The other was a wine cooler with the same amount of alcohol, taxed at a tiny fraction of that rate. The two drinks were nearly identical. The only real difference was how the alcohol got into them. One got its alcohol from distilled spirits, the other from fermented wine. Same basic product. Wildly different tax.
The Illinois Supreme Court threw the tax out. Yes, the court said, how a drink is made is a real difference. But it isn’t a big enough difference to justify taxing two nearly identical products at such different rates. A difference has to earn its keep.
Now look at the shape of that argument, because the digital asset tax has the same shape. In the alcohol case, the state taxed two similar things differently based on one detail: how the drink was made. The court said that one detail wasn’t enough. The digital asset tax does something similar. It taxes based on one detail: that the asset is “digital.” So the question is whether being “digital” is a real, meaningful, relevant difference. Is it enough to justify taxing one kind of financial transaction while the nearly identical one next to it pays nothing?
Now the honest flip side, and it comes from the same case. The court also said that products that are truly different can be taxed differently. Beer and wine, for example, can be taxed at different rates even with the same alcohol content. So here’s the real fight. Is a digital asset transaction more like two nearly identical drinks? Or is it more like beer and wine, where the difference is real? That question does not have an obvious answer. It’s a genuine one. Keep it in mind.
The move that changes everything
Here’s the part that changes everything. It’s why I call this the strongest legal argument against the tax, not just a good talking point.
Under this clause, once someone raises a serious challenge, the burden shifts to the state. You don’t have to prove the tax is unfair. The state has to prove that it’s fair. The state has to stand up and explain why it drew the line where it did. Only after that does the person challenging the tax have to respond.
That’s the opposite of how most people think these fights work. It means that if someone challenges this tax, Illinois has to explain, in court, why digital asset transactions get hit with a 0.2% charge that stock and bond trades never pay. The state stops being the accuser and becomes the one who has to answer.
So the fair way to put the rest of this isn’t “the tax is illegal.” It’s a question aimed right at the state: what’s your answer?
The state’s best answers, and why each one is hard
Let me give those answers in their strongest form. A serious challenge should face the strongest version of the other side, not a weak one. If these answers were easy to knock down, this post wouldn’t be worth writing.
The obvious answer: digital assets are different. And they are, in real ways. The law still hasn’t settled basic questions about them. Is a given coin legally a “security,” like a stock? A “commodity,” like gold? Something else entirely? Their prices swing harder than a big, stable stock. They raise real questions about safe storage, and about criminals using them to hide money. Nobody serious denies that digital assets have their own features.
But remember the wine cooler. How the drink was made was a real difference too. It still wasn’t enough. The clause doesn’t ask whether two things are different in some way. Almost everything is different in some way. It asks whether the difference is the right kind: meaningful, and actually tied to the reason for the tax. And think about what this tax actually covers: buying, selling, moving, or storing an asset through a company that handles it for you. When you look at it that way, a Bitcoin transaction and a stock transaction look a lot alike. The state has to connect two ideas: “digital assets are different,” and “so that’s why we tax their transactions and nothing else’s.” That connection is harder to make than it first sounds.
The practical answer: the state needs the money. That’s fair. Budgets are real, and I won’t pretend otherwise. But “we needed the money” can’t be the whole reason under this clause. If it were, the state could single out any group it wanted, just because taxing them was easy. And it raises an awkward point. If the goal was simply to raise money, stock and bond trades were sitting right there as another option. The state chose not to tax them. Taxing digital assets and nothing else was a choice, not something the state was forced into.
The tricky answer, and here I’m giving you my own take as a regular person, not a lawyer’s. The best “real difference” the state can point to is that digital assets are new, risky, and need watching. But notice what kind of reason that is. That’s a reason to regulate something: to set rules for it and keep an eye on it. This tax doesn’t do that. It’s not a safety rule. It’s just a way to raise money, dropped into the state budget. Remember the test’s second question: does the difference connect to what the law is actually for? A “this is risky and needs watching” reason doesn’t fit neatly with a tax whose real job is raising money. Now, I’d expect the state to answer by describing its goal more broadly, maybe “raising money from a fast-growing area we don’t tax yet.” And courts do give money-raising laws some room. So I’m not calling this a knockout blow. I’m offering it as one more reason the state’s answer is hard to give cleanly.
The honest boundary
Now the part I’d want to know if I were the one reading this.
No court has ruled on this tax yet. Nobody can promise you how it would turn out, and anyone who tells you this argument is a sure win is selling something. And here’s something I’d rather tell you myself than have you find out later: Illinois courts side with the state in most of these cases. The clause is real, but the courts themselves call their review fairly narrow, and lawmakers get a lot of room to decide what to tax. In a 2008 case, the state defended a tax that hit only the biggest casinos. Its argument was basically that the big casinos could better afford it. And that was enough to win. So the state might well come up with a reason a court accepts here too.
But “the state usually wins” is not “the state always wins.” It’s just as wrong to swing too far the other way. This clause still has real force, including in recent years. As recently as 2021, the Illinois Supreme Court threw out a Cook County tax on guns and ammunition under this same rule, because the county couldn’t tie the tax to the goal it claimed. I’ll be honest about one catch. That case involved a tax that touched a constitutional right, which gave the court extra reason to look hard, and our situation doesn’t have that feature. Still, put the 1988 alcohol tax next to the 2021 gun tax, and the picture is clear enough. This rule has real force today. It is not a relic.
One more point, because it’s what makes this the strongest argument, not just one of several. You may have heard there’s also a federal angle here. It’s a law called the Internet Tax Freedom Act, which stops states from unfairly targeting online business. That’s a real argument, and it’s the topic of the next post. But it has a built-in weakness. Because a digital asset only really moves online, the state can argue there’s no “offline version” of the transaction to compare it to. The Uniformity Clause doesn’t have that problem. It doesn’t need an offline version of Bitcoin. The thing it compares against already exists and is easy to see: stocks and bonds, all bought and held through companies, and none of them carry this tax. That’s why, out of all the legal questions about this law, this is the one I’d put first.
The fix has a name
Here’s what I keep coming back to. This problem can be fixed, and naming it clearly is how the fix starts. The complaint is simple: you’re taxing one kind of financial transaction and nothing else like it. So the fix is simple too. Treat similar transactions the same way. Tax digital asset activity the way Illinois taxes similar trades in stocks, commodities, and regular money. Or don’t tax it this way at all. That’s not a wild demand. It’s just the Uniformity Clause’s own logic, written into the law up front, instead of left for a court to sort out after years of expensive lawsuits.
I won’t oversell how easy this is. Turning that idea into actual law is its own hard fight. It runs through the legislature and through the state Department of Revenue’s rulemaking process, not a single lawsuit. But the goal is clear and reasonable. And it gets more within reach every time one more person can explain why the current line doesn’t hold up.
The ask
Learn this well enough to say it to a neighbor in your own words: Illinois taxes digital asset transactions but nothing else like them. Under the state’s own constitution, it has to justify that. Share it accurately. Getting the facts right is our whole credibility, and the facts are strong enough that we never need to stretch them.
And one thing in particular this week. If you’re a lawyer, especially in Illinois tax or constitutional law, test this argument hard. Tell me where the state’s answer is stronger than I’ve made it sound. The goal of this series isn’t to win a fight in the comments. It’s to be right, and to be corrected where we’re not. And if you build, hold, or use digital assets in Illinois, get on the list. That way you’ll be ready when the Department of Revenue opens its rules for public comment, because a lot of this gets decided there.
We don’t win this by being loud. We win it by being right, by being clear, and by being impossible to ignore. Stay informed - illinoisbitcoincouncil.org/il-digital-asset-tax.
One more time: I’m not a lawyer, this isn’t legal advice, and it’s very much a work in progress. The cases below are real, and I’ve done my best to describe them accurately. If I got one wrong, that’s exactly the kind of correction I’m asking for.
Cases and sources
The Uniformity Clause: Ill. Const. 1970, art. IX, § 2
The two-part test: Allegro Services, Ltd. v. Metropolitan Pier & Exposition Authority, 172 Ill. 2d 243 (1996)
Stronger than the federal standard; burden shifts to the state: Searle Pharmaceuticals, Inc. v. Department of Revenue, 117 Ill. 2d 454 (1987); Arangold Corp. v. Zehnder, 204 Ill. 2d 142 (2002)
Tax thrown out for no real and substantial difference: Federated Distributors, Inc. v. Johnson, 125 Ill. 2d 1 (1988)
Tax thrown out for no reasonable relationship to its stated purpose (2021): Guns Save Life, Inc. v. Ali, 2021 IL 126014
Courts side with the state in most challenges; review is “relatively narrow”: Geja’s Cafe v. Metropolitan Pier & Exposition Authority, 153 Ill. 2d 239 (1992); Empress Casino Joliet Corp. v. Giannoulias, 231 Ill. 2d 62 (2008)
The tax itself: Digital Asset Tax Act, Public Act 104-0468 (SB 3019, Article 3), effective January 1, 2027
Might Bitcoin's recognized status as a commodity supersed it's status as a digital asset under the uniformity clause? Certainly makes the argument stronger.