Bitcoin 1099 DA in 2026: What the IRS Sees

Form 1099 DA does not create a new Bitcoin tax. It creates a new broker reporting system. For 2026 sales, brokers generally report gross proceeds, and covered digital assets can have basis reported too. You still owe tax based on the actual taxable disposition and your actual basis, whether or not a 1099 DA arrives.

For Bitcoiners, that distinction matters.

You can hold Bitcoin in self custody without creating a taxable event. You can move Bitcoin between your own wallets without selling it. But when you sell, spend or otherwise dispose of Bitcoin, federal tax rules can require you to calculate the gain or loss.

The new reporting regime changes what your broker sends to you and the IRS. It does not change the basic rule that Bitcoin is property for federal income tax purposes.

Form 1099 DA is the IRS information return used by brokers to report proceeds from digital asset transactions.

The IRS finalized the broker reporting regulations in Treasury Decision 10000 in 2024. The rules apply to sales of digital assets effected by brokers after 2024, with the reporting requirements phased in over time. The 2026 Form 1099 DA instructions state that brokers must report gross proceeds for digital asset sales and, for covered digital assets, basis information as well.

For a Bitcoin holder, the practical point is simple:

Your broker can report a Bitcoin sale to the IRS even though the tax calculation remains your responsibility.

A 1099 DA is therefore a reporting document. It is not itself a tax bill.

No.

The taxable event generally comes from the underlying transaction, not from the arrival of a tax form.

The IRS treats Bitcoin as property for federal income tax purposes. IRS Notice 2014 21 established that treatment, and the IRS's current digital asset FAQs continue to state that digital assets are treated as property and that general property tax principles apply.

Under 26 U.S.C. §1001, gain or loss is generally determined by comparing the amount realized on a disposition of property with its adjusted basis.

That means the important questions are:

The 1099 DA can help answer some of those questions. It does not replace your records.

For a Bitcoin holder using Bitcoin as a capital asset, selling or otherwise disposing of Bitcoin can produce a capital gain or loss.

The IRS says that selling a digital asset for U.S. dollars produces a capital gain or loss, subject to the normal rules governing capital losses. The IRS also says that holding the asset for one year or less generally produces short term treatment, while holding it for more than one year produces long term treatment.

If you buy Bitcoin for $40,000 and later sell that Bitcoin for $70,000, the basic federal tax calculation starts with the $30,000 difference between the amount realized and your adjusted basis.

The statutory framework comes from 26 U.S.C. §1001, while 26 U.S.C. §1012 generally provides that basis begins with cost.

Your actual tax depends on your circumstances, including your holding period and taxable income.

Spending Bitcoin can also be a taxable disposition.

If you bought Bitcoin for $20,000 and later use Bitcoin worth $50,000 to buy goods or services, the Bitcoin has been disposed of. The increase in value can therefore create a gain.

The fact that you did not convert the Bitcoin into U.S. dollars first does not by itself prevent the transaction from being a disposition under the property rules.

Trading Bitcoin for another property can also create a taxable event.

The federal regulations provide that converting property into cash or exchanging property for other property that differs materially in kind or extent can result in recognized gain or loss. 26 C.F.R. §1.1001 1 sets out this general realization framework.

For a Bitcoin only holder, this is one reason the cleanest tax record is not simply a list of dollars deposited into and withdrawn from an exchange. The tax history follows the Bitcoin dispositions.

Receiving Bitcoin is a different question from disposing of Bitcoin that you already own.

The IRS states that if you receive digital assets for services, you generally recognize ordinary income equal to the fair market value of the digital assets in U.S. dollars when received. The IRS also states that the amount included in income generally becomes the basis of those assets.

So if you receive Bitcoin worth $5,000 for services, the initial tax event is income. If you later sell that Bitcoin for $7,000, the later $2,000 increase is a separate gain calculation.

Generally, moving Bitcoin from one wallet you own to another wallet you own is not a sale or exchange and therefore does not by itself create a capital gain or loss.

Self custody means you control the private keys rather than leaving the Bitcoin under the custody of an exchange or other intermediary.

The tax issue is not whether the wallet is self custodial. The issue is whether you disposed of the Bitcoin.

There is, however, a recordkeeping issue.

The IRS has adopted wallet based rules for identifying digital asset units. The final regulations apply the relevant basis identification rules to digital assets acquired and disposed of on or after January 1, 2025. Rev. Proc. 2024 28 provides a transition mechanism for allocating previously unattached basis to wallets or accounts.

So moving Bitcoin into self custody does not mean you can forget the acquisition history.

Self custody protects control of the keys. It does not erase cost basis.

The 2026 Form 1099 DA instructions distinguish between proceeds and basis.

For 2026 and later, brokers must report gross proceeds from covered digital asset sales. For covered digital assets, brokers must also report basis. For noncovered digital assets, the broker is not required to report basis, although it may voluntarily do so under the applicable rules.

That distinction matters because Bitcoin acquired at different times can have very different tax consequences.

The form can contain information such as:

The IRS instructions specifically state that a broker generally reports a sale according to the customer's adequate and timely identification of the digital assets sold. If no identification is provided at or before the sale, the broker generally reports the earliest units purchased.

That makes accurate records more important, not less.

Your Bitcoin basis generally starts with what you paid for the Bitcoin, subject to the applicable basis rules.

26 U.S.C. §1012 provides the general statutory rule that the basis of property is its cost.

Transaction costs can also matter. The IRS's current 1099 DA instructions explain how certain digital asset transaction costs are allocated to the disposition and basis of the relevant digital assets.

For Bitcoiners who use several exchanges and self custody wallets, the bigger issue is identifying which units were actually disposed of.

The Treasury and IRS rejected a universal multi wallet approach in the final regulations and adopted a wallet based ordering rule for digital assets held outside broker custody.

The IRS explained that this approach was chosen because it is consistent with the statutory requirements and provides a uniform method that does not depend on the underlying technology used to record the units.

That is a significant change for anyone who previously treated all Bitcoin holdings as one giant pool for accounting purposes.

The 2026 Form 1099 DA instructions state that when a customer has acquired digital assets on different dates or at different prices and sells less than the entire position, the sale is reported according to the customer's adequate and timely identification.

If there is no identification, the broker generally uses the earliest units purchased.

In plain English, your records need to show which Bitcoin you are selling.

The IRS expects taxpayers to maintain records sufficient to establish the positions taken on their federal tax returns.

Its current FAQ specifically identifies records relating to receipts, sales, exchanges, dispositions and transfers, together with fair market values, as relevant records.

If your exchange does not know when you originally bought your Bitcoin, its tax form may not contain the information you need.

That does not eliminate the tax obligation.

The IRS explicitly says that taxpayers must report income, gains and losses from digital asset transactions whether or not they receive Form 1099 DA.

A 1099 DA is a broker reporting mechanism. It is not a system that automatically turns every self custodial wallet into a 1099 DA account.

The 2026 Form 1099 DA instructions generally place the reporting obligation on digital asset brokers that effect sales for customers.

That does not mean self custody creates a tax exemption.

If you buy Bitcoin, withdraw it to your own wallet, hold it for years and never dispose of it, the withdrawal itself is generally not a taxable sale.

If you later sell that Bitcoin, spend it, or otherwise dispose of it in a taxable transaction, the ordinary property rules apply.

The key distinction is therefore custody versus disposition.

You still report the taxable transaction.

The IRS states that every taxpayer must report relevant income, gains and losses even if the taxpayer does not receive Form 1099 DA.

For capital transactions, the IRS's longstanding guidance directs taxpayers to report capital transactions using the applicable federal tax forms, including Form 8949 and Schedule D where appropriate.

This is why a Bitcoin holder should not treat a broker's tax form as the complete record of their tax history.

Your own records can matter when:

There is no single Bitcoin tax rate.

For Bitcoin held as a capital asset, short term gains generally receive ordinary income tax treatment. Long term gains generally fall under the federal long term capital gain rates.

For tax year 2026, the IRS lists the maximum taxable income thresholds for the 0 percent and 15 percent long term capital gain rates in Rev. Proc. 2025 32.

For individuals other than married couples filing jointly or surviving spouses, the maximum taxable income amount for the 0 percent rate is $49,450, while the maximum amount for the 15 percent rate is $545,500. For married couples filing jointly, the corresponding figures are $98,900 and $613,700.

The 20 percent rate can apply above the applicable 15 percent threshold.

Your effective federal tax depends on your taxable income, filing status, the nature of the Bitcoin transaction and other applicable rules. State taxes can also apply.

A 1099 DA is an information return. Compare it with your own records rather than assuming it represents the complete answer.

A blank basis field does not automatically mean that your Bitcoin had no cost.

The IRS instructions distinguish between covered and noncovered digital assets and explain when basis must or may be reported.

A transfer into self custody is generally not itself a sale, but the records surrounding that transfer can become important when the Bitcoin is eventually disposed of.

If you cannot establish basis, calculating the correct gain or loss becomes harder.

The IRS requires records sufficient to establish the positions taken on your federal return.

This is directly contrary to the IRS's current guidance.

The IRS says taxpayers must report income, gains and losses from digital asset transactions whether or not they receive Form 1099 DA.

Yes. Bitcoin is treated as property for federal income tax purposes. Selling or otherwise disposing of Bitcoin can create a taxable gain or loss. Simply buying and holding Bitcoin generally does not itself create a realization event.

Generally, no. Moving Bitcoin between wallets you control is not itself a sale or exchange. You should nevertheless preserve the records needed to establish the Bitcoin's basis when you eventually dispose of it.

For 2026 sales, brokers generally must report basis for covered digital assets. Basis reporting is different for noncovered digital assets, for which the broker may voluntarily report basis under the applicable rules.

The IRS says that Bitcoin held for one year or less before disposition is generally short term, while Bitcoin held for more than one year is generally long term.

The 1099 DA changes reporting, not the fundamental rule for when Bitcoin gains are taxed.

For a U.S. Bitcoiner, the important distinction is between holding Bitcoin, moving Bitcoin and disposing of Bitcoin.

Self custody does not create a tax exemption. A broker's 1099 DA does not create a tax bill by itself. Your taxable gain or loss still depends on the actual disposition, the applicable basis and the federal tax rules.

Keep the records. Know which Bitcoin you acquired. Know which Bitcoin you disposed of. And do not confuse what an exchange reports with what the tax law actually requires.

This article is provided for general informational and educational purposes only and does not constitute legal, tax, financial, or other professional advice. Tax laws and regulations can change, and their application depends on your individual circumstances. The Bitcoin Act does not provide legal or tax advice through this publication. Consult a qualified attorney or tax professional regarding your specific situation before making decisions based on the information in this article.