Taxes on Crypto Casino Winnings

An offshore crypto casino will not send you a tax form and will not report anything to any revenue authority. That is a reporting gap, not an exemption. The obligations attach to you, and crypto adds a second layer that catches people out even when they remember the first. This is general information rather than tax advice, rules change, and anything involving real money is worth an hour of a professional's time.

Winnings Are Income Even When Nobody Reports Them

In the United States, gambling winnings are taxable income and are reported whether or not a form is issued. Regulated domestic operators issue a Form W-2G above certain thresholds — the familiar ones are 1,200 dollars on a slot or bingo win, 1,500 on keno net of the wager, 5,000 on a poker tournament, and 600 when the payout is at least 300 times the stake. Offshore crypto sites issue none of these, which changes what the IRS is handed automatically and changes nothing about what is owed.

Winnings go on the return as other income at the gross amount. You do not report only your net for the year, which is the mistake that makes the next section matter so much.

The Losses Deduction Is Narrower Than People Expect

Gambling losses are deductible only against gambling winnings, never below zero, and only if you itemise deductions. A taxpayer who takes the standard deduction — the substantial majority — reports the full winnings and deducts nothing, which can mean tax owed on a year that finished flat or down.

A change enacted in 2025 further limits the deduction to a percentage of losses rather than the full amount, beginning with the 2026 tax year, and there has been active legislative pressure to reverse it. Because this is the single provision most likely to have moved since you last read about it, confirm the figure that applies to the year you are filing rather than relying on any article, this one included.

Winnings and losses are generally accounted for by session rather than by individual bet, which is what makes a day of play a single figure instead of thousands. Keeping session-level records is therefore both easier and more defensible than keeping none.

Crypto Adds a Second Taxable Event

The gambling result is one event. Disposing of the cryptocurrency is another. If you deposited Bitcoin that had appreciated since you acquired it, converting or spending it is a disposal with its own capital gain or loss, measured against your original cost basis. Winnings received in crypto take a cost basis equal to their fair market value at the moment you received them, and any movement in price between then and when you convert to fiat is a separate gain or loss.

This means a single evening can generate an income item and a capital item at once, and the two are computed against different reference prices. Recording the fiat value at the time of each deposit and each withdrawal — not at the time you eventually cash out — is what makes this tractable later.

Records to Keep From Day One

• Date and fiat value of every deposit to and withdrawal from the site.
• Transaction hashes, which are the one piece of evidence that exists independently of the operator.
• Session-level net results with dates, rather than individual bet histories.
• Exported bet history where the site offers it, saved locally — an account you lose access to takes its history with it.
• The acquisition cost and date of any crypto you deposited, for the capital-gains side.

Reconstructing this after the fact from a chain explorer is possible but painful, and impossible for anything that happened inside the casino's own ledger.

Outside the United States

Treatment varies more than almost any other area of personal tax. The United Kingdom does not tax gambling winnings in the hands of players at all, though disposing of crypto remains a capital gains matter. Canada generally treats casual winnings as non-taxable windfalls but taxes gambling conducted as a business. Several European jurisdictions distinguish between play at licensed domestic operators and play at unlicensed offshore ones, sometimes taxing the latter when the former is exempt. Australia broadly does not tax recreational winnings. In every case the crypto disposal is assessed separately under local capital gains rules, so check both halves for your own jurisdiction rather than assuming one answer covers the situation.