Crypto Tax: What You Need to Know
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The Part Nobody Talks About — But Everyone Should
Most people entering crypto focus on gains. Few think about taxes — until HMRC, the IRS, or their local tax authority comes knocking.
Crypto tax is real, it’s enforceable, and ignoring it can lead to serious consequences. Here’s what you need to know.
Is Crypto Taxable?
Yes. In most countries, cryptocurrency is treated as a taxable asset — not a currency. This means:
– Profits from selling crypto are taxable
– Trading one crypto for another is a taxable event
– Spending crypto on goods or services is taxable
– Earning crypto (staking, mining, airdrops) may be taxable as income
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UK Crypto Tax Rules (HMRC)
Capital Gains Tax (CGT)
When you sell, swap, or spend crypto for more than you paid for it, you make a capital gain — which is taxable.
2025/26 CGT rates:
– Basic rate taxpayer: 18% on gains
– Higher/additional rate taxpayer: 24% on gains
– Annual CGT allowance: £3,000 (reduced from £12,300 in recent years)
Income Tax
If you earn crypto through:
– Mining
– Staking rewards
– Airdrops (in some cases)
– Being paid in crypto
…it’s treated as income and taxed at your marginal income tax rate.
What Counts as a Taxable Event in the UK?
| Event | Taxable? |
|---|---|
| Buying crypto with GBP | No |
| Selling crypto for GBP | Yes (CGT) |
| Swapping BTC for ETH | Yes (CGT) |
| Spending crypto | Yes (CGT) |
| Receiving staking rewards | Yes (Income Tax) |
| Gifting crypto (non-spouse) | Yes (CGT) |
| Transferring between your own wallets | No |
| Receiving crypto as salary | Yes (Income Tax) |
US Crypto Tax Rules (IRS)
The IRS treats crypto as property. Rules are similar to the UK:
– Short-term gains (held under 1 year): Taxed as ordinary income (10–37%)
– Long-term gains (held over 1 year): Taxed at lower capital gains rates (0%, 15%, or 20%)
– Annual exemption: None — all gains are reportable
Like the UK, every trade, sale, or spend triggers a taxable event.
How to Calculate Your Crypto Tax
Step 1: Know Your Cost Basis
The cost basis is what you paid for your crypto (including fees). This is compared to what you sold it for to calculate your gain or loss.
Example:
– Bought 1 ETH for £1,500
– Sold 1 ETH for £2,500
– Gain = £1,000 (taxable)
Step 2: Track Every Transaction
Every buy, sell, swap, and earn event needs to be recorded with:
– Date of transaction
– Amount of crypto
– GBP/USD value at the time
– Fees paid
Step 3: Apply Accounting Methods
In the UK, HMRC uses the Section 104 pool method (average cost basis). The US allows FIFO, LIFO, or specific identification.
Crypto Tax Tools
Tracking manually is painful. These tools automate the process:
– Koinly — popular UK/global tool
– CoinTracker — widely used in the US
– TaxBit — US-focused, integrates with exchanges
– Accointing — European-friendly
Most connect directly to your exchanges and wallets via API.
Common Mistakes to Avoid
– Not reporting losses: Capital losses can offset gains — don’t miss this
– Forgetting DeFi transactions: Every swap on Uniswap is a taxable event
– Losing records: Keep records for at least 5 years (UK) or 7 years (US)
– Assuming transfers are taxable: Moving crypto between your own wallets is NOT a taxable event
– Ignoring small transactions: There’s no de minimis threshold in the UK
Key Takeaways
– Crypto is taxable in most countries — profits are subject to Capital Gains Tax
– Every trade, sale, and spend is a taxable event
– Staking, mining, and earning crypto may be taxed as income
– Use crypto tax software to track and calculate automatically
– Capital losses can offset gains — always report them
– Keep records of every transaction
The Bottom Line
Tax is one of the least glamorous parts of crypto — but ignoring it can be costly. Tax authorities around the world are increasingly sophisticated in tracking crypto transactions, and exchanges are legally required to share data with them.
Get organised early, use good tools, and if your situation is complex, consult a crypto-specialist accountant. Paying your fair share now beats a surprise tax bill later.
This is general educational information only — NOT tax advice. Tax rules vary by country and individual circumstances. Consult a qualified tax professional for advice specific to your situation.