By the ChainTax Editorial Team · Updated June 2026 · Researched from authoritative sources. General information, not professional advice.
If you bought, sold, traded, or earned cryptocurrency during the year, the U.S. tax rules may apply to you in more situations than you expect. This guide explains, in plain English, how the Internal Revenue Service (IRS) treats digital assets, which transactions create a tax bill, and which forms you use to report them. It is written for a general U.S. audience.
The single most important rule comes from IRS Notice 2014-21, the agency's foundational guidance on virtual currency. It established that, for federal tax purposes, the IRS treats cryptocurrency as property rather than as money. That one decision drives almost everything else. Because crypto is property, the same general principles that apply when you sell stock, real estate, or a collectible also apply when you dispose of Bitcoin, Ether, or any other digital asset.
In practice this means that simply holding crypto does not create a tax event, but disposing of it usually does. Each time you part with a digital asset, you generally have to compare what you received for it against what you originally paid, and the difference is a taxable gain or a deductible loss.
A "disposal" is broader than most people assume. The following are all taxable disposals that can produce a capital gain or loss:
In each case your gain or loss is measured against your cost basis (generally what you paid to acquire the asset, including fees). The IRS Digital Assets pages and the IRS Virtual Currency FAQ explain these disposal rules in more detail.
Not everything is a taxable event. The following generally do not trigger tax at the time they happen:
Sometimes crypto is taxed as ordinary income rather than as a capital gain. This applies when you receive crypto as a form of compensation or reward. In these cases you generally include the fair market value of the crypto, in U.S. dollars, on the day you received it, as income. Common examples include:
That fair market value at receipt also becomes your cost basis. So if you later sell the coins you earned, you calculate a separate capital gain or loss from that basis. In short, earned crypto can be taxed twice across its life: once as income when received, and again as a capital gain or loss when later sold.
| Event | Taxable? | How it is taxed |
|---|---|---|
| Buying crypto with USD and holding | No | No tax until you dispose of it |
| Transferring crypto between your own wallets | No | Not a disposal |
| Selling crypto for USD | Yes | Capital gain or loss vs. cost basis |
| Trading one crypto for another | Yes | Capital gain or loss vs. cost basis |
| Spending crypto on goods or services | Yes | Capital gain or loss vs. cost basis |
| Mining or staking rewards | Yes | Ordinary income at fair market value when received |
| Airdrops | Yes | Ordinary income at fair market value when received |
| Receiving crypto as payment or wages | Yes | Ordinary income at fair market value when received |
| Gifting crypto within annual limits | Usually no | May involve gift-tax rules; generally no income tax |
For a disposal, the formula is straightforward: capital gain (or loss) = proceeds − cost basis. Proceeds are the value of what you received; cost basis is what you originally paid, including acquisition fees.
The other variable is how long you held the asset. If you held it for one year or less before disposing, the result is a short-term capital gain, generally taxed at your ordinary income tax rate. If you held it for more than one year, it is a long-term capital gain, which usually qualifies for lower long-term rates. The holding period can meaningfully change your final bill, which is why tracking acquisition dates is so important.
Suppose you bought 1 ETH for $1,500, including fees. That $1,500 is your cost basis. Eight months later, when 1 ETH is worth $2,300, you trade that ETH directly for an equivalent amount of another token. You never touched cash, but the IRS treats this as a disposal of your ETH at its $2,300 fair market value.
Because you held the ETH for eight months (one year or less), the $800 is a short-term capital gain, taxed at your ordinary rate. Separately, your new token now has a cost basis of $2,300, which you will use when you eventually dispose of it.
Every U.S. taxpayer encounters the digital asset question printed near the top of Form 1040. It asks whether, during the year, you received, sold, exchanged, or otherwise disposed of a digital asset. Answering it is mandatory, and you must answer truthfully even if you owe no tax.
Beyond that question, the typical reporting flow is:
Reporting is becoming more automated. The IRS introduced Form 1099-DA, a dedicated information return for digital asset transactions, so that brokers and certain platforms report customer activity to both you and the IRS. As this rolls out, the agency will increasingly have third-party data to compare against your return, which makes accurate self-reporting more important than ever.
Because nearly every disposal requires a cost basis, the records you keep are the foundation of an accurate return. For every acquisition and disposal you generally want the date, the amount of crypto, the U.S. dollar value at the time, and any fees. People who trade across multiple wallets and exchanges can accumulate hundreds of transactions in a year, and missing basis data tends to inflate reported gains. This is why dedicated crypto-tax software and careful spreadsheets are common.
A reminder on authority: the rules summarized here trace back to IRS guidance, including Notice 2014-21, the Form 1040 digital asset question, Form 8949, Schedule D, the new Form 1099-DA, and the IRS Digital Assets and Virtual Currency FAQ. Tax law changes, and the IRS continues to update its digital-asset guidance. Always confirm current rules with the IRS directly or a qualified CPA before filing.
Generally no. Buying crypto with U.S. dollars and holding it is not a taxable event. You typically report a result only when you dispose of it by selling, trading, or spending it. Note that you must still answer the digital asset question on Form 1040 truthfully.
Yes. Because the IRS treats crypto as property under Notice 2014-21, a crypto-to-crypto trade is treated as disposing of the first coin at its fair market value. You calculate a capital gain or loss even though no cash was involved.
Rewards from staking, mining, and airdrops are generally ordinary income at the fair market value of the tokens when you receive them. That value also becomes your cost basis, so a later sale can generate a separate capital gain or loss.
Capital losses from disposals are reported on Form 8949 and Schedule D and can offset capital gains, with limited deductibility against ordinary income. The specifics depend on your overall situation, so confirm the current limits with the IRS or a CPA.
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