How crypto gains are taxed — it differs by country
How profits from selling or swapping crypto assets are taxed differs widely by country. Some add them to your other income to set the rate, some tax them at a separate flat rate, and some do not tax them yet. Under some systems a gain or loss also arises when one crypto asset is swapped for another, or when it is spent. Rules change often, so check the tax authority's guidance before filing.
Where a 40% rate applies, a $1 million gain leaves $600,000 in hand.
Japan — In Japan crypto gains are generally miscellaneous income, added to other income to set the rate. Above 9 million yen of taxable income, income and residence tax together exceed 40% (as of 2026).
South Korea — Korea taxes individuals' crypto income on transfers and lending from 1 January 2027: 22% including local tax on the part above ₩2.5 million a year. Gains realized through 2026 are not subject to it (as of October 2026).
For learning, not investment advice. Decisions are your own.
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