How the ATO knows you've traded crypto
The ATO's crypto data-matching program pulls identity and transaction data from exchanges and reconciles it against your return. Assume the ATO can see your activity.
Key takeaways
- The ATO runs a crypto data-matching program covering the 2014-15 to 2025-26 financial years, collecting identity and transaction data from exchanges.
- It expects data on 700,000 to 1.2 million individuals and entities each year, and pre-fills and reconciles against your return.
- The blockchain is transparent and exchanges apply KYC. Assume the ATO can see your activity and lodge accordingly.
Wondering whether the ATO knows about your crypto? Assume yes. The era of flying under the radar is over.
The ATO crypto data-matching program
The ATO obtains data from crypto designated service providers (exchanges and similar) to identify buyers and sellers and quantify their transactions. The current program spans the 2014-15 through 2025-26 financial years, with data collected annually (around April to July). The ATO expects to capture data on roughly 700,000 to 1.2 million individuals and entities each year.
Data items include:
- Client identification: name, date of birth, address, phone, email, and linked social media accounts.
- Transaction details: bank account details, wallet addresses, transaction dates and times, types, deposits and withdrawals, quantities, and coin types.
This feeds the ATO's pre-fill and reconciliation. If what you lodge doesn't match what an exchange reported, expect a prompt or a review.
How long has this been going?
The ATO has been data-matching crypto since 2019 and has steadily widened the net. Combined with AUSTRAC's AML/CTF regime (every Australian exchange must register, apply KYC, and report), the ATO has a detailed view of who is transacting and how much.
Does the ATO know about my DeFi trading?
The belief that crypto is untraceable is a myth. The blockchain is a public ledger; on-chain activity is permanent and analysable. Centralised on-ramps apply KYC, linking real identities to wallet addresses. DeFi transactions are still taxable events in Australia, and the absence of a 1099-style form just puts the record-keeping on you. Summ reconstructs cost base and AUD values across DeFi activity.
Mixers and tumblers
Mixing services don't make activity tax-invisible. Authorities can see that you accessed a mixer, and chain analysis can often trace flows. Using one to evade tax is a poor strategy and may carry separate legal risk.
What if you get reviewed or audited?
If your reporting is compliant, a review is nothing to fear. You'd typically disclose the wallets and exchange accounts you control and, for each transaction, the acquisition date and AUD value, the disposal date and AUD proceeds, and your cost-base method. Doing this by hand across hundreds of transactions is where people come unstuck; Summ automates it.
If you're behind on reporting
The ATO generally looks more favourably on taxpayers who come forward voluntarily before being contacted. You can amend prior returns to include missed crypto income or gains, gather your records (wallet addresses, transaction IDs, dates, AUD amounts), and pay any shortfall, usually with reduced penalties for voluntary disclosure. A registered tax agent can help.
Penalties for getting it wrong
Underreporting can attract administrative penalties (for failing to take reasonable care, or for a position that isn't reasonably arguable), plus the general interest charge on the shortfall. Deliberate evasion is far more serious. The cheaper, calmer path is to reconcile against your exchange data and lodge correctly the first time.
This article is general information, not tax advice. If you're behind on multiple years, a registered tax agent can manage a voluntary disclosure for you.
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FAQ
If you’re a crypto user in the United States, there are 6 steps you can take to report crypto on your taxes: 1. Gather all your crypto transactions and calculate your gains and losses. 2. Describe your gains and losses for each transaction on [Form 8949](https://www.irs.gov/forms-pubs/about-form-8949). 3. Report your total gains and losses from your investments–including crypto transactions–on [Schedule D](https://www.irs.gov/instructions/i1040sd). 4. Report any crypto income from staking or mining on [Schedule 1 (Form 1040)](https://www.irs.gov/filing/digital-assets) under “other income.” 5. Report any crypto you’ve sold, exchanged, or gotten rid of on [Schedule C (Form 1040)](https://www.irs.gov/filing/digital-assets#form). 6. Complete the rest of your tax return and file it with the IRS. If this sounds overwhelming, you can always use a crypto tax software like [Crypto Tax Calculator](https://app.cryptotaxcalculator.io/signup/?utm_source=blog&utm_medium=bannercta&utm_campaign=irsknowsyourcrypto&utm_id=organicandsocial) to simplify the process.
In accordance with IRS reporting instructions, even if your crypto trades end up in losses, you need to report them . In fact, reporting a loss can work in your favor, as it can help reduce the taxes you owe through deductions. Cryptocurrency losses can offset capital gains from crypto or even up to up to $3,000 of your ordinary income.
Yes, Crypto.com is required to report crypto transactions to the IRS. The crypto exchange provides U.S. users who earn $600 or more from staking, selling, earning, or other rewards with a Form 1099-MISC , which is also sent to the IRS.
The IRS is very clear in informing taxpayers that they must report “all income related to digital asset transactions,” as per the IRS website. Those who avoid reporting their taxable crypto income can find themselves hit with fines of up to $100,000 and may face up to five years in prison. However, if you’ve missed reporting your crypto earnings in the past, you can file an amended tax return. Don’t stress, these things can happen. Here’s what you can do: Use crypto tax software like Crypto Tax Calculator to easily figure out how much tax you owe. Fill out Form 1040-X to amend your tax return. Send your form to the IRS via email or mail. You can also file the form electronically with crypto tax software.
Yes, Crypto.com is required to report crypto transactions to the IRS. The crypto exchange provides U.S. users who earn $600 or more from staking, selling, earning, or other rewards with a Form 1099-MISC , which is also sent to the IRS. Reporting requirements between Coinbase and the IRS are set to increase between 2026 and 2030.
James Edwards has been active in the cryptocurrency industry for over 10 years. He is an avid user of DeFi and believes in the promise of a user-owned and operated web.
His expertise as a cryptocurrency journalist has seen him contribute to publications such as Nasdaq, CoinMarketCap and CoinTelegraph.
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