Yes, capital losses on crypto can offset capital gains in Australia — but they cannot reduce your salary or other income. This guide explains exactly how crypto losses work, carry-forward rules, and the ATO wash sale rule.
When you sell, swap, spend or gift crypto for less than its cost base (what you originally paid including fees), you have a capital loss. The important distinction in Australian tax law is that capital losses sit in a separate category from other income — they can only be used against capital gains, not against your salary, rental income, or other ordinary income.
This is different from some other countries and from trading losses in a business context. For most Australian crypto investors classified as individuals (not traders), a capital loss from crypto reduces only the capital gains portion of your taxable income, never your salary or other earnings directly.
| Can offset | Cannot offset |
|---|---|
| Capital gains from selling other crypto | Salary, wages or employment income |
| Capital gains from selling shares | Rental income |
| Capital gains from selling investment property | Business income |
| Other capital gains in the same year | Interest or dividend income |
| Capital gains in future years (carry-forward) | Losses from personal use assets |
If your total capital losses for the year exceed your total capital gains, the unused loss does not simply disappear. It carries forward indefinitely — there is no time limit — and can be applied against capital gains in any future income year. You do not need to do anything special to activate this; it happens automatically when you complete your tax return correctly.
You must report the carry-forward loss in your tax return each year, even in years when you have no capital gains to offset it against, to preserve your entitlement to use it later.
If your crypto qualifies as a personal use asset (bought and used within a short period mainly for personal purchases), any capital loss on that crypto is completely disregarded — you cannot use it at all. This is intentional: the personal use exemption is meant to remove the tax burden on genuine everyday personal spending, but it works in both directions. You get the gain exempt, but you also cannot claim the loss.
In practice, very little crypto actually qualifies as a personal use asset given the ATO's narrow definition, so this exception rarely comes up.
The ATO has explicitly warned against wash sales involving crypto. A wash sale occurs when you sell a crypto asset at a loss and quickly reacquire the same or a substantially identical asset, with the primary purpose of generating a tax loss while maintaining your economic exposure.
If you've permanently lost access to crypto (forgotten wallet passwords, lost hardware wallet with no backup) or had crypto stolen, you may be able to claim a capital loss — but the ATO requires strong evidence that the loss is permanent and unrecoverable. Evidence should include wallet addresses, records of transactions, proof of ownership, and documentation of failed recovery attempts.
If a crypto exchange collapses and goes into administration, the CGT event generally occurs when the administration is finalised and you know the final outcome of your claim — not when the exchange first freezes withdrawals.
Enter your purchase price, sale price and fees to see your exact capital gain or loss and estimated CGT payable.
Crypto Loss Calculator →A capital loss is not claimed by writing off a number. It is calculated, reported, and carried forward through a specific process.
The concept commonly called a wash sale — disposing of an asset to crystallise a loss, then reacquiring substantially the same asset shortly afterwards — attracts ATO scrutiny.
Where the dominant purpose of the arrangement is obtaining a tax benefit rather than a genuine change in economic position, anti-avoidance provisions may apply. The ATO has publicly stated it uses data matching to identify these arrangements, and penalties can apply on top of the disallowed loss.
Claiming a loss for crypto that has become inaccessible is possible in some circumstances, but the evidentiary burden is real. The ATO generally expects to see material such as:
An assertion that a key was lost, unsupported by records, is unlikely to succeed. Where an exchange has entered administration, the timing of when a loss is realised for tax purposes can depend on the administration process, and is worth confirming rather than assuming.
Crypto capital losses can only offset capital gains — never salary — and only once a CGT event has actually occurred. They are applied before the CGT discount, not after, and they carry forward indefinitely provided they are reported and substantiated.
Losses on personal use assets are generally disregarded, wash sale arrangements attract anti-avoidance scrutiny, and claims for lost or stolen crypto require genuine evidence rather than assertion.
This page is general information only and is not tax advice. The tax treatment of crypto losses is fact-specific and the rules continue to develop. Speak with a registered tax agent before relying on a loss in your return.
A disposal is what triggers a CGT event — not withdrawing dollars. Swapping one coin for another is the case most often overlooked.