Filing crypto taxes in Illinois

Three charges, not one

From 1 January 2027, an Illinois resident who trades digital assets can face three distinct charges on the same activity. They are frequently confused with one another, so it is worth separating them properly before anything else.

What creates a taxable event

The single most useful thing to internalise: tax attaches to disposal, not to ownership.

The row people miss most often is swapping. Trading bitcoin for ether is not a neutral reshuffle — it is a disposal of the bitcoin at its fair market value, producing a gain or loss, followed by an acquisition of the ether at that value. A year of active trading can generate hundreds of taxable events without a single dollar ever reaching a bank account.

The second most-missed row is spending. Buying a $50 gift card with bitcoin is a $50 disposal of bitcoin. There is no de minimis exemption for small personal crypto spending under current federal law, which is a strong practical argument for fewer, larger conversions rather than daily tapping. Our gift card guide covers this.

Cost basis and holding periods

Two concepts do most of the work in a crypto tax calculation.

Cost basis is what you paid, including fees. If you bought $1,000 of bitcoin and paid $10 in fees, your basis is $1,010. Sell it later for $1,500 and your gain is $490, not $500.

Holding period determines the rate. Held for one year or less, the gain is short-term and taxed at ordinary income rates. Held for more than a year, it is long-term and taxed at preferential federal rates. Illinois taxes both identically through its flat individual rate, so the distinction is federal.

Where it becomes complicated is when you have bought the same asset repeatedly at different prices. The IRS permits specific identification of which units you are disposing of, provided you can substantiate it — otherwise a first-in-first-out convention generally applies. Reporting has also moved toward per-account tracking rather than a single universal pool, which makes account-level records more important than they used to be.

Records to keep

For every acquisition and every disposal, you want five things.

1. Date and time of the transaction.
2. Amount of crypto involved.
3. Dollar value at the time.
4. Fees paid, in dollars.
5. Which platform or wallet it happened on.

Every licensed exchange provides downloadable transaction histories. Export them annually. Not because you will need them immediately, but because platforms shut down — Bitcoin Depot deactivated its entire national kiosk fleet in May 2026 after filing for Chapter 11, and platforms that fail rarely leave a working export function behind them.

Crypto kiosk transactions produce only a printed receipt, which is one more reason to prefer exchanges for anything you may later need to substantiate. If a kiosk purchase is your cost basis for a large holding, photograph the receipt the day you get it.

How it reaches your return

The mechanics are simpler than the rules.

Federal. Individual disposals go on Form 8949, which totals onto Schedule D. Ordinary income from mining, staking or payment received goes on the appropriate income schedule. Form 1040 also carries a direct question about digital asset activity on its front page — answer it honestly; it exists specifically to remove the "I did not realise" defence.

Illinois. Nothing separate. Illinois individual income tax begins with federal adjusted gross income, so gains you have already reported federally flow through to Form IL-1040 automatically at the state's flat individual rate. There is no Illinois crypto schedule.

The 0.2% Digital Asset Tax. Collected by your broker and shown as a line item on your bill. Brokers register and file monthly returns by the 20th; individuals file nothing. If you are yourself a broker — exchanging, transferring or storing digital assets for customers — see our tax guide and take professional advice.

Situations people get wrong

Five that come up repeatedly.

"I never cashed out, so I owe nothing." Untrue if you swapped assets or spent crypto. Both are disposals. It is entirely possible to owe tax on a year in which no dollars reached your bank account.

"It was a loss, so there is nothing to report." Losses must still be reported, and reporting them is to your advantage — capital losses offset capital gains and, within limits, ordinary income. Unreported losses are money left on the table.

"The exchange sends a form, so it is handled." Broker reporting has expanded substantially, but it does not always capture cost basis correctly, especially for assets transferred in from elsewhere. The return is yours; the form is an input.

"Moving it to my hardware wallet was a sale." No. A transfer between wallets you control is not a disposal federally. From 2027, however, a broker-facilitated transfer may attract the Illinois 0.2% — the two things are different and it is easy to conflate them.

"Crypto received as payment is only taxed when I sell it." No. It is ordinary income at fair market value when received, which also becomes your cost basis for the eventual disposal. Two events, not one.

When to get professional help

For a straightforward situation — a handful of purchases, one or two sales, everything on one licensed exchange — the reporting is well within reach of anyone comfortable filing their own return, and the exchange's exported history will do most of the work.

Get help if any of these apply:

• You have activity across multiple platforms, several years, or platforms that have since failed.
• You have mining, staking, lending or liquidity-provision income.
• You have received crypto as business payment or as compensation.
• You have unreported activity from prior years.
• You are dividing digital assets in a divorce or an estate.
• You are a broker, or might be one, for the purposes of the 2027 Illinois tax.

Illinois has a substantial professional services sector across Chicago and the collar counties, and digital asset work is no longer a specialism confined to a handful of firms. Ask specifically whether a practice handles cost basis reconstruction across platforms, because that is where the real work usually is.