What's goin on, Investors?
Another article that focuses solely on the U.S. and the IRS. We all hate taxes, but it's a part of doing business and investing that we can't avoid, however we can lessen the burden of said taxes by learning the tax codes, which is a pain in the ass, I know, but if you do it could save you hundreds or thousands, depending on your finances. My best advice is to HIRE PROFESSIONALS, such as a CPA and an Attorney, to cover your bases.
Key Takeaways
- The IRS receives transaction and wallet data from exchanges, which it uses to match your on-chain activities with your identity through blockchain analytics.
- Starting in 2025, crypto exchanges and brokers will be required to submit increasingly detailed user information to the IRS.
- Penalties for underreporting include fines starting at $5,000, accruing 0.5% interest daily, as well as potential criminal charges.
Whether you're a long-term holder or active trader, the question isn't whether the IRS can see your crypto—it's how much they already know. The era of crypto anonymity ended years ago. Since 2015, the IRS has partnered with blockchain analytics firms like Chainalysis to monitor transactions.
By 2025, new regulations will have transformed this monitoring into a comprehensive surveillance system. Centralized exchanges now report user activity directly, and you'll need to account for this on your 2025 tax return. Here's exactly how the IRS tracks your crypto, what you must report, the penalties for non-compliance, and what to do if you're audited.
Timeline: The Evolution of IRS Crypto Surveillance
2014-2020: The Foundation Years
In 2014, the U.S. government classified cryptocurrency as property, making every sale a taxable event. By 2015, the IRS had already contracted Chainalysis to trace blockchain activity. The watershed moment came in December 2016, when the IRS issued a sweeping summons to Coinbase, demanding records for over 500,000 customers. Coinbase was forced to hand over:
- Taxpayer ID numbers, names, birthdates, and addresses
- Complete transaction logs and account statements
- Data on anyone with single transactions exceeding $20,000
This gave the IRS a roadmap to identities and estimated tax liabilities.
2020-2024: The Question That Traps You
Since the 2020 tax season, every taxpayer must answer Form 1040's crypto question: "At any time during the year did you receive, sell, send, exchange, or otherwise acquire any financial interest in any virtual currency?"
Answering "yes" flags you for future monitoring. Answering "no" when you had an activity constitutes perjury. Following the 2021 Build Back Better Act, exchanges began issuing 1099-K and 1099-B forms in 2023 for users with $20,000+ in proceeds and 200+ transactions. If you received one, the IRS already has your data.
2025: The Broker Reporting Revolution
New regulations now require crypto brokers—defined as custodial exchanges, hosted wallet providers, digital asset kiosks, and payment processors—to track and report all customer transactions starting January 1, 2025. This includes:
- Gross proceeds from every sale or exchange
- Withdrawals to external wallets (revealing your on-chain activity)
- DeFi interactions and stablecoin transactions
All data is reported on Form 1099-DA, sent to both users and the IRS in early 2026. As IRS Commissioner Danny Werfel stated, these rules aim to "improve detection of noncompliance in the high-risk space of digital assets."
2026: Form 1099-DA Arrives
The 2026 tax season introduces the most comprehensive crypto reporting requirement yet. The IRS will receive copies of every 1099-DA, giving them unprecedented visibility into:
- Gross proceeds from all sales
- Transaction dates and wallet addresses
- Digital asset types and quantities
- Cost basis and holding periods (beginning in 2027)
The Critical Problem: In 2026, brokers only report proceeds—not cost basis. Your 1099-DA might show $50,000 in sales, but the IRS won't know you only made $5,000 profit. Without accurate cost basis reporting on your Form 8949, you'll be taxed on the full $50,000.
2027-2030: DeFi and Self-Custody Targeted
Starting in 2027, DeFi front-ends—websites, non-custodial wallets, and browser extensions that facilitate trades—will be classified as brokers. They must implement KYC procedures and file 1099-DA forms, though they won't report cost basis since they don't custody assets. Additionally, cost basis reporting rules take full effect. Exchanges must use the First In, First Out (FIFO) method unless you specify otherwise, potentially increasing your capital gains tax during volatile markets. You must identify the cost basis for each wallet and exchange by December 31, 2025.
How the IRS Knows What You Did
Exchange Data Sharing
Both domestic and international exchanges have data-sharing agreements with tax authorities. KYC requirements involve collecting your name, address, and transaction details, which are reported on Form 1099-DA.
Blockchain Transparency
The blockchain is a public ledger. The IRS can trace funds from exchange wallets through mixers, DeFi protocols, and personal wallets. Every transaction is permanently visible.
DeFi Is Not Anonymous
Contrary to popular belief, DeFi transactions are taxable and traceable. Trading, staking, and yield farming all trigger reporting requirements. The IRS can link your exchange withdrawals to DeFi activity through wallet addresses.
Mixers and Tumblers
Using services like Tornado Cash doesn't hide you—it flags you. The IRS has successfully prosecuted mixer operators and can trace that you accessed the service. Tornado Cash itself is sanctioned for laundering $7 billion.
Penalties for Non-Compliance
The IRS has identified crypto as one of five key areas of a much larger tax evasion problem. Consequences include: Accuracy-Related Penalties
- Negligence Penalty: 20% of underpayment for careless or reckless disregard of tax laws (e.g., ignoring 1099 forms or poor record-keeping)
- Substantial Understatement: 20% penalty if you understate tax by 10% or $5,000, whichever is greater
Financial Charges
- Failure-to-pay penalty: 0.5% of unpaid tax per month, up to 25%
- Interest: Compounds daily from the due date (typically April 15)
Criminal Repercussions: Willful evasion can result in felony charges, fines up to $250,000, and imprisonment. Example: Forgetting to report $5,000 in gains could result in:
- $1,000 negligence penalty (20%)
- Monthly failure-to-pay penalties
- Daily compounded interest
What to Do If You're Audited
IRS crypto audits require you to disclose all wallets, exchange accounts, and transaction details. You must provide:
- Acquisition dates and fair market value (FMV) for each unit
- Disposition dates, FMV, and proceeds received
- Explanation of your cost basis calculation method
Key Risk: DeFi activity is difficult to report without specialized software. Auditors will compare your Form 8949 against multiple 1099-DA forms. Discrepancies trigger penalties.
Your Defense: Meticulous records. Generate Form 8949 with precise cost basis and maintain audit-ready documentation showing how your reported gains align with broker proceeds.
How to Correct Mistakes
If you under-reported, proactively file Form 1040-X to amend your return before the IRS contacts you:
- Gather complete records from all exchanges and wallets
- Report missing income on Schedule 1 and Form 8949
- Pay the additional tax owed plus interest
- Consult a tax professional to minimize penalties
This can reduce penalties compared to waiting for an IRS notice.
The Bottom Line
The myth of untraceable crypto is dead. Between exchange reporting, blockchain transparency, and new regulations targeting DeFi, the IRS has multiple ways to connect your identity to your transactions.
Compliance isn't optional—it's the only strategy that avoids escalating penalties and potential criminal charges. Most of us are at risk of breaking one or more of these rules, old or new.
In that vein, I have provided the research info I used for this article below. I strongly recommend that you research the matter or face potential penalties.
Sources:
Digital Assets, IRS, 2025
Where to Track Cryptocurrency Transactions, Bitstamp Learn, 2024
Many Crypto Investors’ Transactions This Year Will Be Reported to the IRS for the First Time, CNN, 2025
IRS Uses Chainalysis to Track Down Bitcoin Tax Cheats, Cointelegraph, 2017
Frequently Asked Questions on Virtual Currency Transactions, IRS, 2025
What the US infrastructure bill means for cryptocurrency brokers and owners | Part II, S&P Global, 2021
Final regulations and related IRS guidance for reporting by brokers on sales and exchanges of digital assets, IRS, 2024
U.S. Department of the Treasury Releases Final Regulations Implementing Bipartisan Tax Reporting Requirements for Brokers of Digital Assets, U.S. Department of the Treasury, 2024
IRS delays implementing crypto cost-basis reporting rules, The Block, 2025
US: IRS And Treasury Impose New Tax Rules For Crypto DeFi Platforms, IFC, 2025
Understanding The New IRS DeFi Broker Tax Regulations, Forbes, 2024
Decentralized platforms may benefit from strict US crypto tax laws, CoinTelegraph, 2025
Significant civil and criminal tax penalties for non-reporting of cryptocurrency transactions, Reuters, 2024
What Is a Bitcoin Mixer?, Ledger, 2023
Until next time, this is The Dark Sage singing out ✌️
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