If you hold cryptocurrency on a foreign exchange or in a wallet managed by a non-U.S. platform, you may have federal tax and disclosure obligations beyond your standard income tax return. The IRS treats digital assets as property, meaning every sale, trade, or disposition triggers a taxable event with potential capital gains or loss consequences. At the same time, the Treasury Department continues expanding its oversight of foreign-held crypto accounts through FBAR and FATCA requirements. Understanding these crypto taxes rules can help investors avoid costly penalties and stay compliant with both reporting and payment obligations in 2026.
How the IRS Classifies Cryptocurrency for Tax Purposes
Since IRS Notice 2014-21, virtual currency has been classified as property. That means crypto transactions are taxed under the same capital gains framework as stocks, bonds, or real estate. When you sell or exchange a digital asset, you must calculate the gain or loss by comparing the fair market value at disposition against your cost basis (the original purchase price plus any fees).
Whether your gain is taxed as short-term or long-term capital gains depends on your holding period. Assets held for one year or less produce short-term capital gains, taxed at ordinary income tax rates. Assets held longer than one year qualify for long-term capital gains rates, which are significantly lower for most taxpayers. This distinction matters for long-term investment planning, especially for crypto investors using foreign exchanges where cost basis tracking may be less automated. Reporting long-term versus short-term gains correctly on your tax return is essential to paying the right amount in taxes.
Starting with tax year 2019, the IRS added a mandatory digital asset question to the front page of Schedule 1 (Form 1040). For tax year 2025 (filed in 2026), every taxpayer must answer whether they received, sold, exchanged, or otherwise disposed of any digital asset during the calendar year. Answering "No" when you should answer "Yes" can be treated as a false statement on a federal return.
FBAR: When Foreign Crypto Accounts Must Be Disclosed
The FBAR (FinCEN Form 114) is a disclosure filed under the Bank Secrecy Act of 1970. A U.S. person (including citizens, residents, corporations, partnerships, LLCs, and trusts) must file if the aggregate value of all foreign financial accounts exceeds $10,000 at any time during the calendar year. Whether the account produced taxable income has no effect on the obligation.
Does FBAR Apply to Cryptocurrency?
This is where the guidance gets nuanced. In December 2020, FinCEN issued Notice 2020-2, which stated that "at this time, a foreign account holding virtual currency is not reportable on the FBAR" under existing regulations (31 CFR 1010.350(c)). However, the same notice announced FinCEN's intention to amend the regulations to include virtual currency as a reportable account type.
As of mid-2026, FinCEN has not finalized that proposed amendment. No formal rulemaking has been published requiring FBAR disclosure specifically for foreign crypto accounts. That said, many tax professionals and IRS publication guidance recommend the conservative approach: if you hold cryptocurrency on a foreign exchange (such as Binance.com, KuCoin, or Bitfinex) and your aggregate foreign financial account balances exceed $10,000, voluntarily include those accounts. The potential penalties for failing to disclose far outweigh the minimal burden of filing.
If a foreign account holds both virtual currency and other reportable assets (such as fiat currency), the account is already reportable under existing FBAR rules regardless of the crypto component.
FBAR Filing Deadlines and Process
The FBAR is due April 15 following the calendar year. If you miss this deadline, an automatic extension to October 15 applies without a separate request. You must file electronically through FinCEN's BSA E-Filing System. The FBAR is not attached to your tax return. For detailed filing instructions, see IRS Publication 5569 and the FinCEN FBAR filing instructions.
FATCA: Form 8938 for Specified Foreign Financial Assets
Separately from the FBAR, the Foreign Account Tax Compliance Act (FATCA) requires certain U.S. taxpayers to disclose specified foreign financial assets on Form 8938, attached to their income tax return. The thresholds depend on your filing status and whether you live in the United States or abroad:
Form 8938 Thresholds for U.S. Residents
- Single or married filing separately: total foreign asset value exceeds $50,000 on the last day of the tax year, or exceeds $75,000 at any time
- Married filing jointly: total foreign asset value exceeds $100,000 on the last day of the tax year, or exceeds $150,000 at any time
Form 8938 Thresholds for U.S. Persons Living Abroad
- Single or married filing separately: total foreign asset value exceeds $200,000 on the last day of the tax year, or exceeds $300,000 at any time
- Married filing jointly: total foreign asset value exceeds $400,000 on the last day of the tax year, or exceeds $600,000 at any time
While the IRS has not issued definitive guidance on whether cryptocurrency on foreign platforms qualifies as a "specified foreign financial asset" under FATCA, many practitioners treat foreign-held crypto as reportable when it meets these thresholds. The IRS has neither confirmed nor denied this treatment, so the prudent approach is to include it.
What You Must Disclose
For each account you include on your FBAR, you must provide:
- Name on the account
- Account number or other designation
- Name and address of the foreign financial institution
- Type of account
- Maximum value during the calendar year (converted to U.S. dollars using the Treasury exchange rate)
You must retain records supporting this information for at least five years from the due date.
Penalties for Noncompliance
FBAR penalties are severe. For penalties assessed on or after January 17, 2025, the inflation-adjusted amounts are:
- Non-willful violations: up to $16,536 per annual FBAR. Following the Supreme Court's 2023 decision in Bittner v. United States, non-willful penalties apply per FBAR (per year), not per individual account.
- Willful civil violations: the greater of $165,353 or 50% of the balance at the time of the violation. These can apply per account, per year.
- Criminal penalties: willful failure to file can result in fines up to $250,000 and up to 5 years in prison. If connected to other criminal activity, fines can reach $500,000 and 10 years.
Form 8938 carries its own penalty schedule: a $10,000 failure-to-file penalty, plus an additional $10,000 for every 30 days of continued noncompliance after IRS notification (up to $50,000), and a 40% penalty on any tax understatement attributable to undisclosed assets.
The IRS has six years from the due date to assess civil FBAR penalties.
Broker Reporting: Form 1099-DA
Starting with transactions on or after January 1, 2025, custodial digital asset brokers must provide Form 1099-DA to customers and the IRS. For 2025, brokers must report gross proceeds from crypto sales. Beginning in 2026, they must also include cost basis for covered securities, making it easier for taxpayers to calculate gain or loss on each transaction.
This new requirement means the IRS will receive direct data on many crypto dispositions. If you use a foreign exchange that does not issue Form 1099-DA, you remain responsible for tracking your own cost basis, calculating gain or loss, and including all taxable income on your return. Products like tax tracking software can help investors reconstruct transaction histories across multiple platforms.
Tax Loss Harvesting and Crypto Investment Strategy
Because cryptocurrency is classified as property, investors can use tax loss harvesting to offset gains. If you sell a digital asset at a loss, that loss can offset capital gains from other crypto transactions or other investment products. Net capital losses can also offset up to $3,000 of ordinary income per year ($1,500 for married filing separately), with any remaining loss carried forward to future tax years.
Unlike stocks and securities, cryptocurrency was historically not subject to the wash sale rule under IRC Section 1091. However, the Infrastructure Investment and Jobs Act directed the IRS to study whether digital assets should be included, and proposed regulations may change this in the future. As of mid-2026, the wash sale rule does not explicitly apply to virtual currency, but taxpayers should pay attention to any new IRS publication or rulemaking on this topic.
Arizona Considerations
Arizona imposes a flat 2.5% income tax on all taxable income, including capital gains from cryptocurrency sales. Arizona does not have a separate state-level FBAR or foreign asset disclosure requirement, but any federal adjustments resulting from unreported crypto income will flow through to your Arizona return. Under A.R.S. § 43-327, you must report changes from a federal audit or adjustment to the Arizona Department of Revenue within 90 days.
If you operate a crypto-related business in Arizona, you may also have Transaction Privilege Tax (TPT) obligations depending on the nature of your transactions. Crypto losses from trading on foreign exchanges carry forward on your Arizona return just as they do on your federal return, potentially offsetting future gains and reducing your state taxes over the long term.
Frequently Asked Questions
Do I need to file an FBAR for Coinbase or Kraken?
No. Coinbase, Kraken, Gemini, and similar U.S.-based exchanges are domestic financial institutions. You do not include U.S.-based accounts on your FBAR. The requirement applies only to accounts at foreign financial institutions.
What if I use both a U.S. exchange and a foreign exchange?
You would only include the foreign exchange account(s) if the aggregate value of all your foreign financial accounts exceeded $10,000 at any point during the year. Your U.S. exchange accounts are not included in the aggregate calculation.
Can I file a late FBAR without penalty?
The IRS offers several programs for coming into compliance, including the Streamlined Filing Compliance Procedures and Delinquent FBAR Submission Procedures. If your failure was non-willful, these programs may reduce or eliminate penalties. Consult a tax professional before submitting delinquent filings.
Is staking or mining income on a foreign platform taxable?
Yes. Staking rewards and mining income are taxed as ordinary income at fair market value when you receive them. If these rewards are held on a foreign platform, the account value contributes to your FBAR and Form 8938 threshold calculations. You should also track the cost basis of tokens received through staking or mining, since any future sale will produce a separate gain or loss.
What records should I keep for foreign crypto accounts?
Maintain records of all transactions including dates, amounts, fair market value at the time of each transaction, cost basis, and the identity of the exchange or platform. Keep these records for at least six years (the FBAR penalty assessment period). Good recordkeeping is the single most important step you can take to protect yourself in the event of an IRS inquiry.
How K&R Taxes Can Help
Cryptocurrency taxation and foreign account disclosure obligations sit at the intersection of evolving regulations and significant penalties. Whether you need help determining your FBAR and FATCA reporting obligations, calculating crypto capital gains and losses across multiple foreign exchanges, or responding to an IRS notice related to digital assets, the team at K&R Taxes provides strategic tax advisory and preparation tailored to crypto investors. If you are behind on foreign account filings, our IRS representation services can help you navigate voluntary disclosure programs and penalty abatement. We also offer accounting and business performance services for clients operating crypto-related businesses. Contact us to schedule a consultation and pay attention to approaching deadlines.
