If you hold cryptocurrency on a foreign exchange like Binance, KuCoin, or Bybit, you may have reporting obligations that go beyond your standard tax return. Two forms catch most crypto holders off guard: FBAR (FinCEN Form 114) and IRS Form 8938. Both require you to disclose foreign financial accounts, and failing to file can trigger steep penalties.
This guide breaks down exactly who needs to file, the dollar thresholds that apply, and how to stay compliant in 2026.
For a complete overview of how crypto is taxed, see our Crypto Tax Guide for 2026.
What Is FBAR (FinCEN Form 114)?
FBAR stands for Foreign Bank Account Report. It is officially known as FinCEN Form 114, and it is filed with the Financial Crimes Enforcement Network (FinCEN), not the IRS.
The purpose of FBAR is straightforward. The U.S. government wants to know about financial accounts you hold outside the country. Originally designed for traditional bank accounts, FBAR now applies to cryptocurrency held on foreign exchanges.
Any U.S. person (citizens, residents, and entities) with a financial interest in or signature authority over foreign financial accounts must file FBAR if the aggregate value of those accounts exceeds $10,000 at any point during the calendar year.
The key word is “aggregate.” You do not need $10,000 in a single account. If you had $6,000 on Binance and $5,000 on KuCoin on the same day, your aggregate balance was $11,000, and you must file.
FBAR Thresholds and Who Must File
The FBAR threshold is simple compared to other reporting requirements:
- Threshold: $10,000 aggregate across all foreign financial accounts
- Measurement: Maximum value at any point during the calendar year
- Who files: All U.S. persons, including citizens, green card holders, and resident aliens
- What counts: Bank accounts, brokerage accounts, and crypto exchange accounts held at foreign institutions
Here is an example. Sarah holds 0.5 BTC on Binance.com (a foreign exchange). On March 15, Bitcoin hits $80,000, making her Binance balance worth $40,000. Even if her balance drops to $3,000 by December 31, the peak value of $40,000 during the year triggers FBAR filing.
What Is Form 8938 (FATCA)?
Form 8938 is part of the Foreign Account Tax Compliance Act (FATCA). Unlike FBAR, Form 8938 is filed directly with the IRS as an attachment to your annual tax return (Form 1040).
Form 8938 covers a broader category called “specified foreign financial assets.” This includes foreign bank accounts, foreign brokerage accounts, foreign crypto exchange accounts, and certain foreign financial instruments. However, the filing thresholds are significantly higher than FBAR.
It is important to understand that FBAR and Form 8938 are not mutually exclusive. If you meet the thresholds for both, you must file both forms. They go to different agencies and serve different purposes.
Form 8938 Thresholds
Form 8938 thresholds depend on your filing status and whether you live in the U.S. or abroad:
| Filing Status | Living in U.S. (Year-End) | Living in U.S. (Any Time) | Living Abroad (Year-End) | Living Abroad (Any Time) |
|---|---|---|---|---|
| Single / Married Filing Separately | $50,000 | $75,000 | $200,000 | $300,000 |
| Married Filing Jointly | $100,000 | $150,000 | $400,000 | $600,000 |
For example, if you are single, live in the U.S., and your foreign crypto exchange balances total $60,000 on December 31, you must file Form 8938. Alternatively, if your balance hit $75,000 at any point during the year (even if it ended lower), you also must file.
Which Crypto Exchanges Are Considered “Foreign”?
This is one of the most common questions crypto holders ask. The answer depends on where the exchange is incorporated and operates, not where you access it from.
Foreign exchanges (FBAR and Form 8938 may apply):
- Binance.com (headquartered in various offshore jurisdictions)
- KuCoin (Seychelles)
- Bybit (Dubai/British Virgin Islands)
- OKX (Seychelles)
- Gate.io (Cayman Islands)
- Bitfinex (British Virgin Islands)
- MEXC (Seychelles)
U.S. exchanges (no foreign reporting required):
- Coinbase
- Kraken
- Gemini
- Binance.US (this is a separate U.S. entity)
- Crypto.com (U.S. subsidiary)
- Robinhood
Self-custody wallets (MetaMask, Ledger, Trezor) are generally not reportable on FBAR or Form 8938 because they are not accounts held at a foreign financial institution. You control the private keys directly. However, this is an evolving area of law, and FinCEN has considered expanding the definition. Keep an eye on regulatory updates.
FBAR vs. Form 8938: Side-by-Side Comparison
| Feature | FBAR (FinCEN Form 114) | Form 8938 (FATCA) |
|---|---|---|
| Filed with | FinCEN (Treasury) | IRS (with tax return) |
| Filing method | Electronically via BSA E-Filing | Attached to Form 1040 |
| Threshold (Single, U.S.) | $10,000 aggregate | $50,000 year-end / $75,000 any time |
| Threshold (MFJ, U.S.) | $10,000 aggregate | $100,000 year-end / $150,000 any time |
| What is reported | Foreign financial accounts | Specified foreign financial assets |
| Self-custody wallets | Generally not included | Generally not included |
| Deadline | April 15 (auto-extension to Oct 15) | Same as tax return (April 15 + extensions) |
| Penalty (non-willful) | Up to $10,000 per violation | Up to $10,000 per violation |
| Penalty (willful) | Up to $100,000 or 50% of balance | Up to $50,000 per violation |
How to File FBAR
Filing FBAR is done entirely online through the BSA E-Filing System on FinCEN’s website. You do not mail a paper form.
Steps to file:
- Go to the BSA E-Filing portal.
- Select “File FinCEN Form 114 (FBAR)” as an individual.
- Enter your personal information (name, SSN, address).
- For each foreign account, provide: the financial institution name, account number, maximum account value during the year, and the country where the account is held.
- For crypto exchanges, use the exchange name (e.g., “Binance Holdings Ltd.”) and your account ID or user ID as the account number.
- Submit electronically. You will receive a confirmation number.
You do not need a FinCEN account to file. The system allows individual filers to submit without registration.
How to File Form 8938
Form 8938 is filed as part of your federal tax return. You (or your tax preparer) attach the completed form to your Form 1040.
What you need to report for each account:
- Name and address of the foreign financial institution
- Account number
- Maximum value during the tax year
- Whether the account was opened or closed during the year
You can download Form 8938 from the IRS website. Most tax preparation software supports it as well.
Deadlines for 2026
| Form | Original Deadline | Extension |
|---|---|---|
| FBAR (FinCEN 114) | April 15, 2027 | Automatic extension to October 15, 2027 (no request needed) |
| Form 8938 | April 15, 2027 | Follows your tax return extension (October 15, 2027 if extended) |
Note that these deadlines apply to the 2026 tax year. Both forms cover the calendar year January 1 through December 31, 2026.
Penalties for Non-Compliance
The penalties for failing to file these forms are severe, and they apply even if you owe no additional tax.
FBAR Penalties:
- Non-willful violation: Up to $10,000 per account, per year (adjusted for inflation; currently around $16,117 as of 2026)
- Willful violation: The greater of $100,000 or 50% of the account balance at the time of the violation
- Criminal penalties: Up to 5 years in prison for willful failure to file
Form 8938 Penalties:
- Failure to file: $10,000 per violation
- Continued failure after IRS notice: Additional $10,000 for each 30-day period of non-compliance, up to $50,000
- Underpayment related to undisclosed assets: 40% penalty on the underpayment
Common Mistakes to Avoid
1. Ignoring small balances that add up. Remember, FBAR uses an aggregate threshold. Three foreign accounts with $4,000 each total $12,000, which triggers FBAR.
2. Forgetting accounts you barely used. Even if you deposited $100 on a foreign exchange and never traded, that account is reportable if your aggregate foreign balances exceed $10,000.
3. Using the year-end value instead of the peak value. Both FBAR and Form 8938 look at the maximum value during the year. Crypto is volatile. An account worth $2,000 on December 31 might have been worth $15,000 in March.
4. Assuming self-custody removes reporting obligations. While self-custody wallets generally are not reportable on FBAR, transferring crypto from a foreign exchange to a wallet does not erase the fact that you held the crypto on the foreign exchange during the year. If your balance exceeded the threshold at any point, you still must report.
5. Confusing FBAR with Form 8938. They are separate requirements filed with different agencies. Meeting the threshold for one does not satisfy the other.
For more on crypto tax forms you might need to file, see our guide on Form 1099-DA. If you received crypto as a gift, review the crypto gift tax rules for 2026. And if you earned crypto through gambling or sweepstakes, check out our crypto gambling tax guide.
Frequently Asked Questions
Do I need to file FBAR for crypto on foreign exchanges?
What is the difference between FBAR and Form 8938?
What are the penalties for not filing FBAR?
Is Coinbase considered a foreign exchange?
When is the FBAR deadline?
Bottom Line: What to Do Next
If you used any foreign crypto exchange in 2025 or 2026, take these steps now:
- Identify all foreign exchange accounts you held during the year, even inactive ones.
- Determine the maximum balance for each account across the entire year. Use historical price data for crypto assets.
- Add up the peak balances across all foreign accounts. If the aggregate exceeded $10,000 at any point, you need to file FBAR.
- Check Form 8938 thresholds based on your filing status and residency.
- File on time. FBAR is due April 15 (with automatic extension to October 15). Form 8938 is due with your tax return.
Foreign reporting for crypto is an area where mistakes are costly and the IRS is paying closer attention every year. If you are unsure whether your accounts trigger these requirements, or if you need to catch up on prior years, professional guidance is worth the investment.
Our team at CountOnSheep specializes in crypto tax accounting and can help you stay compliant across all reporting requirements. Schedule a consultation to review your foreign exchange exposure and filing obligations.