Crypto tax · Taxes

What is a taxable event in crypto? A plain-English explainer

In most jurisdictions, disposing of crypto (sell, swap, spend) triggers a taxable event. Here's what counts, what doesn't, and how to think about tracking it.

By Eric Nkando, senior writer · 2 min read · Updated 14 Sep 2026

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Answer first

In most jurisdictions with active crypto tax enforcement (US, UK, Canada, Australia, Germany, and many others), disposing of cryptocurrency triggers a taxable event. "Disposing" includes selling for fiat, swapping to another crypto, spending crypto to buy goods or services, and gifting above certain thresholds. Simply holding crypto is not taxable. Staking rewards and airdrops are typically income at receipt.

What counts as a taxable event

Taxable (capital gains):

Selling crypto for fiat (USD, EUR, GBP, etc.)
Swapping one crypto for another (BTC → ETH, ETH → USDC, USDC → SOL, etc.)
Spending crypto to buy a good or service
Gifting above jurisdiction-specific thresholds

Taxable (income):

Staking rewards (at fair market value when received)
Airdrops (at fair market value when received)
Mining rewards
Being paid in crypto for services

Not taxable:

Buying crypto with fiat
Holding crypto (unrealized gains)
Transferring crypto between wallets you own
Depositing crypto as collateral (typically — some interpretations vary)

Cost basis: the concept that matters

Cost basis is what you paid for a crypto asset originally. When you dispose of it, your gain or loss is:

Gain/loss = Sale price - Cost basis

If you bought 1 BTC at $30,000 and sold at $60,000, your capital gain is $30,000. You owe capital gains tax on that $30,000.

The practical challenge: tracking cost basis across many exchanges, wallets, and years is genuinely hard without software. If you make 100 trades across 3 exchanges over 2 years, reconstructing this from raw exchange exports at tax time is a serious project.

The solution: start using tax software (CoinTracker, Koinly, CoinLedger) from day one. Import from every exchange and wallet. Reconcile monthly.

Short-term vs long-term

Many jurisdictions distinguish:

Short-term — held ≤1 year, taxed at ordinary income rates
Long-term — held >1 year, taxed at lower capital gains rates (US)

This creates a real incentive to hold longer than one year before disposing.

Jurisdiction-specific rules

Crypto tax varies significantly:

US — capital gains (short vs long), staking = income at receipt (IRS Rev. Rul. 2023-14)
UK — capital gains, staking = income, per-transaction basis
Germany — held >1 year = tax-free (unique treatment)
Portugal — historically favorable for individuals; rules tightened in 2023
Singapore — generally no capital gains tax on crypto for individuals

Always verify current rules in your jurisdiction. Tax laws change; this article is not tax advice.

Frequently asked questions

Do I owe taxes on crypto I haven't sold?

In most jurisdictions, unrealised gains are not taxable — only realised gains from selling, swapping, or spending are. Staking rewards and airdrops are typically taxable as ordinary income at the time you receive them, however.

Is swapping one crypto for another taxable?

In most jurisdictions (US, UK, Canada, Australia, Germany, and many others), yes. Swapping BTC for ETH is treated as selling BTC and then buying ETH — you owe capital gains tax on any appreciation of the BTC. This surprises many crypto users who assume only fiat conversions are taxable.

Is buying crypto with fiat taxable?

No. Buying crypto with USD/EUR/GBP is not itself a taxable event. It establishes your cost basis for the crypto you bought — which will matter when you eventually dispose of it.

Are staking rewards taxable?

In most jurisdictions, yes — staking rewards are taxable as ordinary income at the fair market value when you receive them. When you later dispose of those rewards, you may owe additional capital gains tax on any appreciation since receipt.

Sources

IRS Notice 2014-21 — virtual currency — accessed Sep 14, 2026