Can the ATO Track Your Crypto Transactions in Australia?

Written By

Picture of CA Ankit Agarwal
CA Ankit Agarwal

Head of Tax | KoinX

ATO can track your crypto history through exchanges. Learn how to stay compliant and avoid penalties in Australia.

If you thought your crypto trades were invisible to the Australian Taxation Office (ATO), think again. In 2024, the ATO formally requested transaction data on over 1.2 million Australian crypto exchange users, highlighting how closely it monitors digital asset activity. Whether you’ve dabbled in DeFi, held tokens on CoinSpot, or made big trades on Binance, there’s a good chance the ATO already knows.

This guide’ll explain how the ATO tracks crypto, which platforms report to it, what kind of data is collected, and how long that information stays on file. We’ll also explore what happens if you fail to report your crypto correctly and how to remain fully compliant.

Can the ATO Track Your Crypto Activity?

The answer is yes, the ATO can track your crypto activity through its advanced data-matching program. Since 2019, the ATO has actively collected information from designated service providers (DSPs), including most crypto exchanges in Australia. The goal? To identify taxpayers who may not be accurately reporting their crypto transactions.

The Data-Matching Program Explained

The ATO’s data-matching program enables it to gather personal and transactional data from Australian crypto platforms. This initiative expanded in 2024, when the ATO requested records from 1.2 million crypto users. Once this information is collected, it’s cross-checked against tax return data to identify discrepancies.

What Kind of Data Does the ATO Collect?

Designated exchanges are required to provide the ATO with extensive details, including:

  • Full names and addresses
  • Phone numbers and email IDs
  • Bank account and wallet details
  • Transaction values and dates
  • Types of crypto assets bought or sold

This detailed information allows the ATO to reconstruct and match entire trading histories with taxpayer filings.

How does the ATO use this data?

After matching crypto records with your tax filings, the ATO can flag unreported gains, income, or even staking rewards. You might receive a crypto pre-fill letter or notice asking for clarification or amendments if discrepancies are found. Failure to respond may lead to audits, penalties, or legal action.

Do You Have to Declare Crypto in Australia?

Many Australian investors are still unsure whether they must report cryptocurrency activity to the ATO. The short answer is yes. Crypto is not anonymous to the ATO; failure to report can lead to serious compliance issues. Let’s explore the reporting requirements in detail.

Income and Capital Gains Reporting

The ATO treats cryptocurrency as property for tax purposes, which means it can be taxed as either capital gains or ordinary income, depending on how it’s used. Here’s how both apply:

  • Capital Gains Tax (CGT) applies when selling, swapping, or gifting crypto. The difference is a capital gain if the sale price exceeds the purchase cost. Conversely, you incur a capital loss if the sale value is lower. You must report every disposal, even if the gain is small or a loss was realised.

  • Ordinary Income applies if you earn crypto through mining, staking, airdrops, salary, or as a business. In these cases, you must declare the fair market value of the crypto in AUD at the time of receipt as income. This also applies to DAO rewards, token launches, and rebase tokens.

You must include all crypto-related income and gains in your annual tax return. Failing to do so, even unintentionally, can result in audits, interest, and penalties. Reporting ensures you remain compliant, especially now that the ATO has increased its data-matching capacity.

Common Mistakes That Trigger Audits

Several avoidable errors in crypto reporting tend to raise red flags for the ATO and could lead to an audit. Here are some of the most common issues:

  • Not declaring crypto held on international exchanges: Many think offshore platforms are out of the ATO’s reach. The ATO collaborates with foreign tax authorities under the OECD’s Common Reporting Standard.
  • Using incorrect values for transactions: Some investors use average or end-of-year prices instead of fair market value at the time of each trade or receipt, which leads to inaccurate filings.
  • Failing to report staking rewards or airdrops: These are treated as income at receipt and must be reported even if you haven’t sold the tokens yet.
  • Assuming no tax applies to crypto-to-crypto swaps: Every swap is a taxable event, just like a sale. This includes exchanging ETH for USDT or trading altcoins.
  • Claiming deductions for personal investments: Deductions like mining equipment, software, or electricity costs can only be claimed if you’re running a business, not as a casual investor.

Avoiding these errors requires meticulous recordkeeping and awareness of your tax obligations. If you’re unsure, using an ATO-compliant crypto tax calculator can significantly reduce your chances of triggering an audit.

Do all Crypto Exchanges Report to the ATO?

Yes – almost all crypto exchanges operating legally in Australia must report user activity to the Australian Taxation Office (ATO). This is possible through their registration with AUSTRAC and compliance with Anti-Money Laundering (AML) regulations. Whether trading on a major platform or a smaller provider, your transaction history is most likely already visible to the ATO.

AUSTRAC-Registered DSPs and Reporting Obligations

All crypto exchanges in Australia must be registered with AUSTRAC, the government’s financial intelligence agency. These registered platforms are known as Designated Service Providers (DSPs) and have strict legal obligations:

  • KYC Compliance: They must collect Know Your Customer (KYC) information from every user, such as your name, address, date of birth, and identity documents.
  • AML/CTF Programs: DSPs are required to implement anti-money laundering and counter-terrorism financing protocols. This includes monitoring suspicious activity and verifying the legitimacy of transactions.
  • Mandatory Reporting: Exchanges must report high-value transactions (above $10,000 in physical currency) and suspicious activity directly to AUSTRAC.
  • Record Keeping: These platforms must maintain detailed transaction and identity records for at least 7 years.

Because of these requirements, DSPs work closely with the ATO to provide accurate and up-to-date data for tax enforcement purposes.

What Happens When You Use Unregistered Exchanges?

If you use a platform that isn’t registered with AUSTRAC—such as certain overseas exchanges—the ATO may still access your data through other means. These include:

  • International data-sharing agreements: Australia is part of multiple treaties that enable tax information exchange between countries.
  • Blockchain analysis: The ATO can trace wallet addresses and crypto movements using advanced forensic tools.
  • Bank statements: If you move funds between your bank account and an offshore crypto platform, the ATO can use banking data to infer crypto transactions.

While using unregistered platforms might seem like a way to stay under the radar, it doesn’t guarantee anonymity or protection from audits.

How Far Back Can the ATO See Crypto Transactions?

Many Australian investors assume that older crypto trades are off the ATO’s radar. But this is far from the truth. The ATO has built a historical database of crypto activity dating back several years, which it uses to cross-check tax returns and spot non-compliance.

Historical Data Coverage Since 2014

The ATO’s crypto data-matching program officially began in 2019, but its reach goes further back. According to official releases, the ATO has collected information on cryptocurrency transactions from the 2014–15 financial year. This includes:

  • Identity data from DSPs (Designated Service Providers), like names, phone numbers, and addresses
  • Transaction detail,s including type of crypto, transaction dates, and values
  • Wallet address data and linked banking activity

This means if you made a large trade on Bitcoin or Ethereum several years ago—even before mainstream adoption—the ATO could already have that information in its system. This retroactive capability is especially relevant for investors who thought early transactions were off-the-books or private.

Not Tracking Fractional NFT Trades

Platforms like Fractional.art let users buy and sell fractions of NFTs, which introduces complex tax implications. Every time you trade a fraction, you create a CGT event, and the gain or loss must be recorded. 

Many users forget to track each buy and sell, especially when dealing with small amounts. But failing to record these micro-transactions accurately can lead to cumulative errors that skew your capital gains calculation.

Implications for Older Crypto Users

If you’ve been involved in crypto for years but never declared it, you’re not in the clear just because those trades are old. The ATO can still:

  • Audit previous returns: Particularly if you fail to report current holdings or gains that originated from early investments
  • Apply penalties and interest: For underreported income or gains, regardless of when the original transaction occurred
  • Send warning letters: Based on a mismatch between DSP data and your tax filings

Even if you were unaware of the tax obligations then, the ATO expects proactive correction. It’s advisable to review older trades, calculate unrealised and realised gains, and amend your returns if necessary. Acting now could reduce or eliminate penalties that apply during a full audit.

What Is the ATO Crypto Letter?

Receiving a letter from the Australian Taxation Office about your crypto activity can be stressful, especially if you’re unsure what triggered it. But understanding the ATO Crypto Letter, why it’s sent, and how to respond can help you avoid penalties and stay compliant.

Why Might You Receive One?

The ATO Crypto Letter is typically sent after the ATO completes a data-matching exercise with registered Designated Service Providers (DSPs), such as Australian crypto exchanges. You may be contacted if the ATO finds a mismatch between your tax filings and the information received from these providers.

Reasons you might receive this letter include:

  • You bought or sold crypto but didn’t report any activity on your tax return.
  • The reported capital gains or income on your return don’t match DSP records.
  • You received staking rewards, airdrops, or other unreported crypto income.
  • Your transactions are flagged as unusually large or frequent, suggesting undeclared trading activity.

The letter itself is often a “nudge” or pre-audit notice. It’s not a formal penalty but a warning that the ATO has access to your data and expects corrections if your return contains omissions.

What to Do If You Receive It?

You’ll usually have at least 28 days to review and respond to the ATO Crypto Letter. The best course of action depends on whether the ATO’s data is accurate and whether you’ve underreported anything. Here’s what you should do:

  • Review your crypto transactions: Reconcile all buys, sells, swaps, staking income, and airdrops for the relevant financial year.
  • Compare with your return: Check if you missed any income or disposed of crypto without reporting it.
  • Amend your return: If you find errors, submit a voluntary disclosure or self-amendment via myTax or through your accountant.
  • Gather documentation: Ensure you have wallet addresses, transaction logs, exchange records, and valuation data to support your position.
  • Respond to the ATO: Let them know whether your return is accurate or will be amended. A timely and honest response may help you avoid penalties.

Ignoring the letter or delaying your response can lead to audits, interest charges, and steep penalties. Being proactive gives you the best chance of resolving the issue with minimal consequences.

What Happens If You Don’t Report Your Crypto?

Failing to report your crypto activities to the ATO can have significant legal and financial consequences. As the ATO strengthens its tracking capabilities and cross-checks exchange data with tax returns, unreported crypto is increasingly easy to spot. Here’s what happens when you don’t declare your crypto accurately:

Risk of ATO Penalties and Audits

If you omit crypto gains, income, or losses from your tax return, the ATO may classify this as a false or misleading statement, even if the error was accidental. Based on the seriousness of the mistake and your intent, the following may happen:

  • You may receive an audit notice: The ATO can initiate a review of your past returns going back up to 4 years, or even longer if they suspect fraud or intentional evasion.
  • You may be issued penalties and interest: Failing to disclose crypto activity can lead to penalties of up to 75% of the tax shortfall amount, plus interest on the unpaid amount.
  • You may be prosecuted in serious cases: If the ATO believes there was deliberate tax fraud or evasion, they can pursue criminal charges, which carry significant fines and possible imprisonment.

This makes timely and accurate reporting of all crypto transactions essential for compliance and avoiding long-term complications with your tax records.

How to Fix Mistakes with Self-Correction?

The ATO encourages individuals who realise they’ve made an error to come forward voluntarily. If you fix mistakes before an audit begins, you’ll likely receive a lighter penalty—or possibly no penalty. Here’s what you can do:

  • Request an amendment to your tax return using ATO online services or through a registered tax agent.
  • Make a voluntary disclosure explaining the nature of the mistake and providing corrected data. This is especially helpful for older returns or complex transactions.
  • Work with the ATO to create a payment plan if you can’t pay the corrected tax immediately. The ATO is often flexible with genuine taxpayers who engage early.

Being proactive is key. The longer you wait, the more likely the ATO is to take enforcement action, especially as crypto tracking expands.

How does KoinX help you stay compliant with ATO?

Tracking every crypto transaction, converting values to AUD, and ensuring your tax reports are error-free can quickly become a headache, especially when multiple wallets and platforms are involved. This is where KoinX becomes your ultimate solution, taking the stress out of crypto tax reporting and helping you stay compliant with ATO rules at every step.

Connects with 300+ DSPs and Wallets

KoinX supports seamless integration with over 300 exchanges, wallets, and DeFi platforms. Whether you trade on local exchanges or international platforms, KoinX automatically pulls in your transaction history to build a complete picture of your crypto activity.

AUD-Based Tax Calculations in Real-Time

With accurate market data synced in real-time, KoinX converts each transaction into AUD based on the exact time of the trade. This ensures your tax reports reflect the fair market value the ATO requires—no manual conversion needed.

Auto-Categorisation and Error Detection

KoinX smartly identifies transaction types like swaps, staking, DAO rewards, and loans. It flags any discrepancies or missing data so you can fix issues before submitting your tax return, saving you from ATO audits later.

Generates ATO-Compliant Tax Reports

KoinX creates detailed tax summaries formatted specifically for ATO reporting. These include capital gains reports, income summaries, and year-end tax files that can be submitted through myTax or shared with your accountant.

Start using KoinX today to make crypto tax reporting in Australia simple, accurate, and stress-free.

Conclusion

Staying compliant with crypto tax rules in Australia isn’t just about following the law—it’s about avoiding unnecessary stress, penalties, and audits. With the ATO expanding its ability to track transactions, it’s more important than ever to report accurately, maintain proper documentation, and stay updated with evolving regulations.

If you want to eliminate the guesswork and file with confidence, sign up for KoinX today. It’s the easiest way to automate your reporting, convert crypto values correctly, and generate ATO-compliant tax reports—so you never miss a detail.

Frequently Asked Questions

Can the ATO Track Crypto Bought on Overseas Exchanges?

Yes, transferring crypto from an international exchange to an Australian wallet or exchange creates a trackable footprint. The ATO also partners with international tax authorities, so transactions on popular global exchanges may still be visible and subject to review.

Will the ATO Know If I Use a Decentralised Exchange?

Possibly. While decentralised exchanges don’t require KYC, on-chain activity is still traceable. If you move crypto between your exchange account and a DEX wallet, the ATO may identify the wallet as yours and link associated transactions through blockchain forensics tools.

Do All Wallets Need To Be Declared?

Yes. If a wallet holds crypto bought, sold, swapped, or earned through income, it should be declared. Even if you store assets in cold or DeFi wallets, the ATO expects full transparency in your annual tax return.

What Should I Do If I’ve Made a Reporting Mistake?

If you realise you’ve submitted incorrect or incomplete crypto data, acting quickly is best. You can file an amended return or voluntarily disclose to reduce penalties. The ATO is more lenient when taxpayers correct issues before receiving a notice.

Written By

Picture of CA Ankit Agarwal
CA Ankit Agarwal

Head of Tax | KoinX

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