Cryptocurrency in Sweden: 30% on gains, 70% of losses
In short. Sweden charges a flat 30% on your net capital gain and lets you deduct seven-tenths of a loss. Every disposal counts, including a swap between two coins and paying for something with crypto, so what costs you here is the record-keeping. Miners lost their advantage in 2023, when the reduced electricity tax for data centres ended.
- GAINS
- 30%flat, on the net capital gain
- LOSSES
- 70% deductibleyou carry three-tenths yourself
- COIN FOR COIN
- Taxableeach disposal counts
- DECLARING
- Form K4in the section for other assets
- MINING POWER
- Full electricity taxthe data centre discount ended in 2023
- LEGAL TENDER
- Nothe krona stays the only legal money
Thirty percent, and seven-tenths of your losses
Crypto sits among what Swedish tax law calls other assets, and a gain on disposing of one meets a flat 30%. A student and a surgeon pay the same rate on the same profit, because your other income does not enter the calculation.
Losses come out worse than gains. Seventy percent of a capital loss counts against your capital income and the remaining thirty percent stays with you. Sell one position at 10,000 kronor profit and another at 10,000 kronor loss, and your account has broken even while the tax office recognises 7,000 of the loss.
Estonia recognises none of it and Poland nets the two in full inside its 19%, so Sweden sits between them.
Every disposal counts
Three things count as a disposal: selling for kronor, exchanging one crypto for another, and paying for goods or services.
The middle one is the one that surprises new arrivals. A single rebalancing session across five pairs produces five taxable events, each needing a krona value on the day. You report them on form K4, in the section for other assets, with a line for each.
If you come from Poland, France or Ukraine, where crypto-to-crypto swaps fall outside the tax, change how you keep records before your first Swedish tax year starts.
The mining discount ended in 2023
Sweden spent years as a cheap place to run machines, because data centres paid a small fraction of the standard electricity tax.
The government removed that reduction on 1 July 2023 and data centres moved onto the full rate. Miners who had built around northern hydropower and a favourable tax line watched their largest cost multiply, and several operations left the country. The coins you mine are taxed as they were before; only the power bill changed.
MiCA and the transition
Finansinspektionen supervises crypto-asset service providers as the Swedish competent authority under MiCA.
The EU rules have applied since 30 December 2024, with a transition for firms that held the earlier Swedish registration. A firm that fails to complete authorisation loses the right to serve Swedish retail customers when that transition closes in 2026. A MiCA licence from any member state passports here, so your choice of platform reaches across the union.
What this means if you are moving there
The rate is the part you can plan for. The paperwork is the part that grows.
Thirty percent flat sits above Poland's 19% and Norway's 22%, and Sweden at least lets you deduct most of a loss, which Estonia does not. Set against that, every swap becomes a reportable line on K4, the krona valuation on the day is yours to produce, and mining lost the electricity advantage that once justified building here. A few disposals a year make Sweden simple; a few a week make it a bookkeeping job.
Allowed
- Sell crypto and pay a flat 30% on the net gain, whatever you earn otherwise
- Deduct 70% of a capital loss against your capital income
- Use any platform holding a MiCA authorisation in the EU
- Mine crypto, on the same electricity tax every other data centre pays
Restricted
- Deducting a capital loss in full: only 70% of it counts
- Treating a coin-for-coin swap as tax-free, since it is a disposal
- Serving Swedish retail customers without completing MiCA authorisation
- Paying in crypto as of right, since the krona remains the only legal money
How the rules took shape
The tax agency sets out its position: crypto counts among other assets, with gains taxed at 30%.
The reduced electricity tax for data centres ends, and miners move onto the full rate.
The EU crypto rules begin to apply, with Finansinspektionen as the Swedish supervisor.
The transition closes for firms holding the earlier Swedish registration.
Crypto service providers report under the EU exchange-of-information rules.
Worth knowing
The world's most cashless country: under 8% of purchases are made with cash. The Riksbank ran an e-krona pilot from 2019 to 2023 and shelved it, finding no sufficient public need.
Common questions
What rate applies to my gains?
A flat 30% on the net capital gain, regardless of your other income.
Can I deduct my losses?
Seventy percent of a capital loss counts against your capital income. The other thirty percent stays with you.
Do I owe tax when I swap one coin for another?
Yes. Sweden treats a crypto-to-crypto exchange as a disposal, valued in kronor on the day of the trade.
Where do I declare it?
On form K4, in the section for other assets, with a line for each disposal.
Is mining still worth it here?
The coins are taxed as before, but the reduced electricity tax for data centres ended on 1 July 2023, so power now costs the full rate.
Sources
Other countries
Updated 21.08.2026 · this is reference material, not investment or tax advice