Tax Tip Tuesday: Crypto on Foreign Exchanges - What to Know

If you're holding Bitcoin, Ethereum, or other digital assets on an exchange based outside the U.S. — Binance, a Hong Kong or Singapore-based platform, or an exchange tied to your home country — you may be sitting on a reporting obligation you haven't thought about. Crypto feels borderless, but the IRS and FinCEN don't see it that way. Where your exchange is legally domiciled matters, and getting it wrong can mean penalties that have nothing to do with whether you owed any tax in the first place.

Here's what U.S. taxpayers need to know about foreign crypto exchange accounts heading into the rest of 2026.

Why “Foreign Exchange” Matters for Crypto

For income tax purposes, the IRS has treated virtual currency as property since Notice 2014-21. That part is well settled — you calculate gain or loss on every sale, trade, or disposal the same way you would with stock.

Where it gets more complicated is the reporting side. Once your crypto sits on a platform organized or based outside the U.S., you move into the world of foreign asset disclosure rules — the same rules that apply to foreign bank accounts, brokerage accounts, and investment funds. Several regimes can potentially apply at once:

●      FBAR (FinCEN Form 114) — foreign financial accounts

●      Form 8621 — if your holdings are structured as a foreign fund that meets the PFIC definition

●      Form 1099-DA — new U.S. broker reporting that changes how visible foreign accounts have become by comparison

FBAR: Not Required for Crypto Held on a Foreign Exchange

Under FinCEN Notice 2020-2, cryptocurrency itself is excluded from FBAR reporting. A foreign exchange account holding only virtual currency is not a reportable account for FBAR purposes — you do not need to file an FBAR on it.

FinCEN has signaled it may change this through future rulemaking, but no final regulation has been issued as of the 2026 filing season. Until that changes, the current rule stands: pure crypto holdings on a foreign exchange are not FBAR-reportable.

Don't Forget the Income Side

Reporting the existence of a foreign account is a separate question from reporting the income and gains generated inside it. Regardless of the FBAR filing question, every taxable event on a foreign exchange still needs to hit your U.S. return:

●      Sales, trades, and swaps (crypto-to-crypto trades are taxable events)

●      Staking and mining rewards

●      Airdrops

●      Interest or yield paid on stablecoin or crypto deposits

Don't Overlook Currency Gain/Loss

Crypto gain or loss isn't the only calculation running in the background on a foreign exchange. If the platform prices things in a foreign currency, or if you fund and withdraw the account in something other than USD, you can also have a foreign currency gain or loss under IRC §988 — a separate taxable event from the crypto trade itself.

Here's how it typically shows up:

●      You wire EUR, GBP, JPY, or another currency into a foreign exchange.

●      The currency sits as a balance before you use it to buy crypto, or you hold it for a period before converting back to USD.

●      Between the date you acquired that foreign currency and the date you disposed of it (by buying crypto, converting back to USD, or otherwise using it), the exchange rate moved.

That movement is a §988 gain or loss, calculated independently of whatever happens to the crypto you bought with it.

A few things make this easy to miss and important to get right:

●      §988 gains and losses are ordinary, not capital. They don't get long-term capital gains treatment, and they interact with your ordinary income differently than a capital loss would — which matters for planning around offsets and timing.

●      There's a narrow personal-use exemption. Under §988(e), foreign currency gain from a personal transaction is excluded if the gain is under $200 for that transaction. This helps occasional small purchases; it doesn't shield active trading or larger transfers.

●      Crypto tax software often doesn't catch this. Most platforms are built to track crypto-to-crypto and crypto-to-USD activity. They frequently don't flag the currency leg when a foreign exchange prices in EUR, GBP, or another non-USD currency, or when you're wiring foreign currency in and out around your crypto activity. That gap can leave a real, reportable gain or loss sitting outside your records entirely.

If you're using a foreign exchange that isn't USD-denominated, it's worth reviewing your wire and conversion history specifically for this — separate from the crypto cost-basis work you're already doing.

Form 1099-DA Just Changed the Landscape

Starting with the 2025 tax year, U.S.-based digital asset brokers are now required to issue Form 1099-DA reporting gross proceeds — the crypto version of a brokerage 1099-B. Cost basis reporting on the 1099-DA phases in for 2026 sales, reported in 2027.

Here's why this matters even if you never touch a U.S. exchange: the IRS now has granular, matched data on U.S. platform activity. That makes accounts that don't generate a 1099-DA — because they sit on a foreign exchange — stand out by comparison. The absence of a form is no longer invisible; it's a contrast the IRS's matching systems can see. If you have both a U.S. exchange (generating a 1099-DA) and a foreign exchange (generating nothing), your foreign activity is more exposed today than it was two years ago, not less.

When PFIC Rules Enter the Picture

Some overseas platforms don't just hold crypto directly — they offer pooled crypto investment products, index funds, or structured notes tied to digital assets. If what you're holding is technically an interest in a foreign corporation or fund rather than the coins themselves, you may have stepped into Passive Foreign Investment Company (PFIC) territory, which brings Form 8621 into play — a much heavier compliance lift, with its own tax consequences under the default and elective regimes.

This is a detail people miss constantly: the label “crypto fund” on a foreign platform doesn't tell you whether you're looking at a straightforward asset or a PFIC. That determination depends on the legal structure of the product, and it changes your entire filing approach.

What to Do If You've Already Fallen Behind

If you've held crypto on a foreign exchange and are unsure whether prior-year income was fully reported, you're not alone — and there are structured ways to get compliant that are far better than waiting for a notice:

1.      Gather your records first. Pull full transaction histories from every foreign exchange you've used, including cost basis where the platform provides it.

2.      Determine your exposure. Figure out which years and which forms actually apply based on your account activity and asset mix.

3.      File going forward correctly, so this doesn't become a recurring problem.

Planning Takeaways

●      Crypto held on a foreign exchange is not currently FBAR-reportable under FinCEN Notice 2020-2 — no filing needed on that basis alone.

●      Know the difference between holding actual coins and holding an interest in a foreign fund — the second one may require Form 8621.

●      Keep your own transaction records current. Foreign exchanges generally don't send you a 1099-DA, so the burden of accurate cost basis tracking falls entirely on you.

●      If your foreign exchange prices in a non-USD currency, review your wire and conversion history for §988 currency gain or loss separately from your crypto cost-basis calculations — it's an ordinary gain/loss most software won't catch on its own.

●      If you're behind on prior years, look into Streamlined Filing before the IRS's expanding data-matching finds the gap for you.

Have questions about crypto held on a foreign exchange, or want a second look at how your prior-year activity was reported? Reach out to us at info@mkhstaxgroup.com — we'll help you sort out exactly what applies to your situation and file with confidence.