Most IRS audits begin the same way, with a letter. This notice, delivered by mail, outlines the specific tax year under review, which parts of your return are being questioned, and what they expect from you in response. It is not a phone call, an email, or a text. If you receive any of those, you’re likely dealing with a scam. But while the mailed letter is the formal start of an audit, it's not always the first sign of trouble.
Sometimes the IRS begins with a soft notice. These letters don’t declare an audit outright. Instead, they ask for clarification about certain parts of your return. You might be asked to verify income, explain a reported loss, or provide more context around your crypto activity. These requests can seem routine, but if not handled properly or ignored entirely, they can quickly escalate into a full audit.
These early-stage notices often go overlooked or underappreciated. But they are the moment to act, not delay.
Once the IRS officially opens an audit, the next step is documentation. Every figure you reported is now open to review. The letter you receive will outline what is under examination, how you’ll need to respond, and how much time you have.
At this point, it’s essential to get organized. If your audit involves crypto or DeFi activity, prepare for complexity. You’ll need exchange records, wallet logs, DeFi protocol interactions, staking and lending details, NFT purchase and sale history, token swap documentation, and more. This includes everything from fiat on-ramps and off-ramps, to gas fees and liquidity pool transactions. Even something as small as slippage or token rebranding might need to be explained.
People often scramble to amend their returns when faced with an audit. Resist that impulse. Making changes without understanding the full scope of the audit could create more problems than it solves. You need to know what the IRS is asking before you attempt to correct anything.
Equally important is identifying gaps in your records. It’s not unusual for traders to have missing data, especially if an exchange has shut down or if they’ve switched wallets over the years. Document those gaps honestly. Trying to conceal them will only make matters worse.
IRS audits take several forms. The most common is a correspondence audit, conducted entirely through the mail. The IRS sends you a request for documentation, and you mail it back. These are often used for smaller issues, such as income mismatches or staking rewards that weren’t reported.
More detailed audits may take place in person. If the IRS invites you to one of its offices, it’s considered an office audit. These typically focus on returns that involve multiple areas of interest or higher income brackets. The most comprehensive audit is a field audit. In this case, an IRS agent visits your home or business and examines your records on-site. These reviews can stretch across multiple tax years and often require extensive financial documentation.
Regardless of the format, the outcome depends heavily on how you prepare and who represents you.
When you’re facing a crypto-related audit, the expertise of your support team matters. Most general tax preparers are not trained in DeFi mechanics. They may understand ordinary deductions or self-employment rules, but they are unlikely to navigate staking yields, wrapped tokens, chain analytics, or protocol rewards correctly.
What you need is a tax professional who speaks both languages, the IRS’ and the blockchain’s. You need someone who understands not only the tax implications of token movements but also the technologies behind them. You also need someone who knows what not to say. Seemingly small missteps, like incorrectly reporting an airdrop or failing to separate business and personal wallets, can derail the process.
If you are a DeFi Tax client, that level of support may already be available to you. Some plans include built-in audit protection, which gives you full representation during the audit process.
Audit protection at DeFi Tax is a full-service representation from the moment the IRS makes contact. If your plan includes this feature, you are assigned a crypto tax expert to guide you through every stage of the audit. This includes reviewing your return, identifying weak spots before the IRS does, and communicating directly with the IRS on your behalf.
You’ll receive help preparing the necessary documentation and clarifying the reporting methods used. If the IRS asks for an interview, your representative will coach you beforehand and, in many cases, attend with you. The goal is to ensure accuracy and minimize the risk of penalties or expanded review.
The process is simple. Once you receive an audit notice, log in to your DeFi Tax account to confirm that your plan includes audit protection. Then contact the support team right away. Upload the IRS notice, and your expert will begin work immediately. From that point on, you follow their guidance while they manage the conversation with the IRS.
If you are not sure whether your current plan includes audit protection, check now. If it doesn’t, consider upgrading. Having the right coverage in place before you need it can make the difference between a resolved audit and a long, expensive battle. NOTE: you must have coverage in place before your audit is triggered to qualify for protection.
Whether you're facing a formal audit or just received a request for more information, DeFi Tax is ready to help. Log in to your account to check your protection status or contact our team directly to discuss your next steps. We’ll help you understand what’s happening, how to respond, and what to expect moving forward.
An audit doesn't have to be overwhelming. With the right team behind you, it’s just a process. Let us help you manage it with clarity and confidence.