Disclaimer: I am not a lawyer, and nothing here is legal advice. What follows is my best understanding of the legal questions around Illinois’s new digital asset tax, written in good faith and subject to revision as I, and people far more qualified than me, keep digging. If you’re an attorney and you think I’ve gotten something wrong, I genuinely want to hear it. That’s the whole spirit of this piece.
On January 1, 2027, Illinois becomes the first state in the country to put a direct tax on digital asset transactions. The Digital Asset Tax Act puts a 0.2% tax on the value of exchanging, transferring, or storing digital assets for an Illinois customer. It’s collected by the businesses that provide those services (exchanges, custodians, and the like, which the law calls “brokers”) a bit like the way a store collects sales tax. One thing worth being precise about: this is not a tax on your profits. It applies whether you made money, lost money, or just moved your own coins from one place to another. Picture being charged every time you shifted money from your checking account to your savings account, not when you earned it, just for moving it between your own accounts. That’s closer to how this tax works than anything you’re used to.
I’m not here to question anyone’s motives; I’m here because the text of this law rests on shakier legal ground than it first appears, and the people it affects deserve to understand why. The problems are in the language itself, and language can be fixed once we name it plainly. Two things I believe: the wording of this law needs to change, and the people governing this technology need better information to govern it well. Both start with telling the truth plainly, which is what this is.
So here are the two biggest constitutional questions, in plain English.
1. Why are digital assets taxed when nothing else like them are? (The Illinois Uniformity Clause)
The Illinois Constitution has a rule about taxes: when the state taxes something, it generally has to treat similar things alike, and it needs a real, substantial reason for any difference in treatment.
Here’s the problem. This tax lands on digital asset transactions, but Illinois puts no equivalent transaction tax on trading stocks, bonds, or other investments. If you buy and sell shares through a brokerage, the state doesn’t charge you 0.2% for the privilege. Do the comparable thing with Bitcoin through a custodian, and now it does.
The question that raises is simple to state: what’s the real, substantial reason for treating one kind of asset so differently from all the others? If a good-faith challenge is brought, the state would have to come forward and justify the distinction. And Illinois courts have historically taken this clause seriously, more seriously than the loose federal standard where almost any reason will do, and have struck down taxes under it before.
The honest read: the state doesn't get to simply declare that crypto is "different." If this is challenged, the burden falls on Illinois to produce a real, substantial reason for taxing digital assets when it taxes nothing else like them, and that's a genuinely hard case to make. No court has ruled yet, so no one can hand you a guaranteed outcome. But an argument this strong, one that puts the state on its heels and forces it to justify itself, is exactly the kind worth pressing, and pressing with confidence.
2. Does it tax the internet differently from everything else? (The federal Internet Tax Freedom Act)
There’s a federal law, commonly called the Internet Tax Freedom Act, that bars states from imposing special, discriminatory taxes on electronic commerce that they don’t also apply to the same activity done through other, non-electronic means. And because of how our system works, a valid federal law can override a conflicting state one.
The hook here: digital asset transactions are inherently electronic, and Illinois imposes no comparable transaction tax on similar non-digital activity. From that angle, this looks like exactly the kind of tax that singles out electronic commerce for treatment everything else escapes.
The honest catch: this one is real but harder than it first appears. Because a digital asset essentially only moves electronically, the state will argue there’s no “offline version” of the transaction to compare it to, and therefore nothing is being unfairly singled out. So this is a serious argument that depends heavily on how carefully the comparison is built.
A third concern that’s really about basic fairness
This one is less a clean constitutional slam-dunk and more a due-process and fair-notice issue, but it’s worth naming because it matters to everyone.
The law attaches serious criminal penalties (Class 3 felonies) to violations. Let me be very clear about who that falls on: those penalties apply to the businesses (the brokers) and their officers for failing to register, file, or keep records, not to you for moving your own coins. If anyone tells you that you personally could go to prison for transferring your own Bitcoin, that’s not how this law is written.
But here’s the rub. The agency in charge, the Illinois Department of Revenue, hasn’t written the rules yet. Basic questions, like what exactly counts as a “broker,” or whether a deposit-then-sale is one taxable event or two, don’t have answers. We are effectively asking companies to comply, under threat of felony, with definitions and procedures that don’t exist yet. Whatever you think about the tax itself, attaching criminal liability to rules that haven’t been written raises a real fairness problem, and it’s the kind of thing we can still fix before it ever takes effect.
We're on solid ground. Let's stand on it.
If you take two things from this, take these.
The language is still changeable. The Department of Revenue is the one writing the implementing rules, and that process is open to public comment. Definitions can be clarified, the worst ambiguities can be narrowed, and the genuinely thorny pieces can be addressed before the tax bites on January 1, 2027. That’s not a fantasy; it’s how administrative rulemaking is supposed to work, and it’s where careful, technical input from people who actually understand this technology can make the biggest difference.
Education is the work. A neighboring state, our friendly Hoosiers to the east, took a very different path this year, enacting a law that specifically bars singling out digital-asset transactions for special or discriminatory taxes. I don’t raise that to say “look how badly Illinois did.” I raise it because it proves a workable approach already exists… one state line away. The gap here is information, not possibility. And that’s exactly why showing up with facts and a clear explanation of how this technology actually works carries so much weight: in a debate like this one, the best-informed voice usually wins. Educating the people who govern us isn’t a consolation prize. It’s how this gets fixed.
So here’s my ask. Learn this well enough to explain it to a neighbor. Share it accurately; precision is our credibility, and we don’t need to exaggerate when the facts are already this strong. And if you build, hold, or use digital assets in Illinois, make yourself heard: bring these arguments to your legislators, and when the Department of Revenue opens its rules for public comment, be in the room.
None of this means backing off. These legal problems are real, and they don’t expire. If the language isn’t fixed, it can be challenged, and a tax resting on this foundation should worry the people defending it a good deal more than the people questioning it. We have to be right, be clear, and be impossible to ignore. We’re on solid ground. Let’s stand on it.
As we say at the IBC — the greater the nodes, the stronger the network. Join us or support us in building a future on a solid foundation — illinoisbitcoincouncil.org/membership.
Again, not a lawyer, not legal advice, and very much a work in progress. Corrections welcome.
Tim Niemeyer
President, Illinois Bitcoin Council