Denmark
Reported as self-employment business income (B-income), taxed progressively from ~36% up to ~52-56% in the top bracket, plus 8% AM-bidrag (removed on business profit from 2026). Not capital gains.
Self-employment / business income (B-income from selvstændig virksomhed) - NOT capital gains.
Progressive (municipal ~25% + state): ~36% bottom bracket rising to ~52-56% including top-bracket; varies by municipality.
8% labour-market contribution (AM-bidrag) on business profit (being abolished on business profit from 2026); welfare is tax-funded otherwise.
Sole proprietor (enkeltmandsvirksomhed); the Business Tax Scheme (virksomhedsordningen) lets retained profit be taxed at 22% until withdrawn; VAT 25% above DKK 50,000.
USDC is business income at DKK value on receipt; for traders, crypto results fall in the personal-income / business sphere.