Crypto taxes explained: what every investor needs to know

Quick answer: In most countries, crypto is treated as property—not currency. That means you owe tax when you sell it, trade it, or earn it, in the same way you'd owe tax on a stock sale. The amount depends on how long you held it and whether you made a gain or a loss.

This article is for educational purposes only. It does not constitute tax, legal, or financial advice. Tax rules vary by jurisdiction and change frequently. Consult a qualified tax professional for guidance specific to your situation.

Do I have to pay tax on crypto?

In most countries, yes. Tax authorities around the world have moved to classify cryptocurrency as a taxable asset. The specific rules vary significantly—how gains are calculated, what rates apply, and what counts as a reportable event all differ depending on where you live.

What's broadly consistent: if you make a profit from crypto, or receive crypto as income, most jurisdictions expect you to declare it. Ignorance of the rules is rarely treated as a valid excuse, and tax authorities in many countries now use blockchain analytics to cross-reference on-chain activity with reported income.

The safest approach is to treat crypto like any other taxable asset and keep records from the start.

What counts as a taxable event?

Not every crypto action triggers a tax bill. But many common ones do.

Events that are typically taxable include selling crypto for fiat currency, swapping one crypto for another, spending crypto on goods or services, and receiving crypto as income—whether from staking rewards, lending interest, mining, or referral bonuses.

Events that are generally not taxable include buying crypto with fiat and holding it, and transferring crypto between wallets you own. Some countries also exempt gifts below a certain value threshold.

How crypto gains are taxed

Most tax authorities treat crypto profits as capital gains. The rate and structure vary by country, but a common pattern applies across many jurisdictions.

Short-term gains—on assets held for less than a year—are typically taxed at a higher rate, often aligned with your regular income tax rate.

Long-term gains—on assets held for more than a year—often benefit from a reduced rate. Holding longer can mean paying less tax, though this depends entirely on your country's rules.

Crypto income—from staking, interest, or mining—is typically treated as ordinary income, valued at the market price on the day you received it. Any subsequent gain when you later sell that crypto may be taxed separately as a capital gain.

Tax rates and holding period rules vary significantly by country. Always verify the rules in your jurisdiction.

What is cost basis, and why it matters

Your cost basis is what you originally paid for your crypto, including any transaction fees. It's the number that determines your actual gain or loss.

If you bought 1 BTC at $30,000 and later sold it at $70,000, your taxable gain is $40,000—not the full $70,000.

If you bought at $30,000 and sold at $20,000, you have a $10,000 capital loss. In many countries, that loss can offset gains elsewhere in your portfolio—a strategy known as tax-loss harvesting.

What records should you keep?

Good record-keeping is the foundation of accurate crypto tax reporting. For every transaction, it helps to have the date, the type of transaction (buy, sell, swap, earn), the amount and asset involved, the value in your local currency at the time of the transaction, and any fees paid.

For income events—like staking rewards or interest payouts—the relevant figure is the fair market value of the crypto on the day you received it, not when you later sell it.

The more wallets, exchanges, and protocols you use, the harder this becomes manually. Crypto tax tools can pull transaction history automatically and calculate your position across the whole picture.

Tools that make it easier

Several platforms are designed specifically for crypto tax reporting. They connect to exchanges and wallets via API or CSV import, calculate your gains and losses using the correct accounting method for your country, and produce reports formatted for tax filing.

Widely used options include Koinly, which is integrated on Nexo. Most support multiple jurisdictions and accounting methods, so they're worth exploring regardless of where you're based.

When you earn yield on crypto

When you earn interest or yield on cryptо that income is generally taxable at the fair market value on the date you receive each payout.

For example, if you earn 0.01 BTC when Bitcoin is trading at $80,000, you've received $800 of income for tax purposes. If you later sell that 0.01 BTC for $1,000, you may also have a capital gain on top of that.

Keeping accurate records of each income event, including the date and the local currency value at the time of receipt, is essential for correct filing.

Nexo provides a full transaction history in your account dashboard, including a breakdown of every interest payout by asset and date. This makes it straightforward to calculate your income for tax purposes. You can explore how to download account statements and create a tax report with Konly on Nexo in our dedicated Help Center article. 

This is for educational purposes only and does not constitute tax advice. Rules differ by country. Always verify with a qualified tax professional before filing.

Things to pay attention to

Tax rules for crypto are still evolving in many countries. A treatment that applies today may change with new legislation or regulatory guidance.

Tax authorities globally are improving their ability to track on-chain activity. The combination of exchange reporting requirements, blockchain analytics, and international data-sharing agreements means crypto transactions are increasingly visible to regulators.

Frequently asked questions

1. Do I owe tax if I just hold crypto and never sell?

In most countries, no. Generally, holding crypto without selling, swapping, or earning yield does not trigger a taxable event. The liability arises when you dispose of the asset or receive income.

2. Is swapping one crypto for another taxable?

In most jurisdictions, yes. Exchanging Bitcoin for Ethereum is typically treated as selling Bitcoin, meaning any gain on the Bitcoin is a taxable capital gain at that point.

3. What if I lost money on crypto?

In many countries, capital losses can offset capital gains, reducing your overall tax liability. The specific rules around loss deduction, carry-forward, and offset limits vary by jurisdiction.

4. Do I have to report small amounts?

Most countries don't have a de minimis exemption for crypto—any taxable event should technically be reported regardless of size. Some jurisdictions are beginning to introduce thresholds, but these vary. Check the rules in your country.

5. Does Nexo provide records to help with my taxes?

Nexo provides a downloadable transaction history from your account dashboard, which you or your tax advisor can use to prepare your filing. 

Nothing in this article constitutes tax, legal, or investment advice. Crypto tax rules vary by country and are subject to change. Consult a qualified tax professional before making any financial or filing decisions. These materials are accessible globally, and the availability of this information does not constitute access to the services described, which services may not be available in certain jurisdictions. These materials are for general information purposes only and not intended as financial, legal, tax, or investment advice, offer, solicitation, recommendation, or endorsement to use any of the Nexo Services and are not personalized, or in any way tailored to reflect particular investment objectives, financial situation or needs. Digital assets are subject to a high degree of risk, including but not limited to volatile market price dynamics, regulatory changes, and technological advancements. The past performance of digital assets is not a reliable indicator of future results. Digital assets are not money or legal tender, are not backed by the government or by a central bank, and most do not have any underlying assets, revenue stream, or other source of value. Independent judgment based on personal circumstances should be exercised, and consultation with a qualified professional is recommended before making any decision.