South Korea Keeps 2027 Crypto Tax Date Without Loss Carryforward

Koo said the government could review the issue after taxation begins. He compared the structure with stock investment rules, where authorities also limit loss carryforwards under certain income classifications. The minister said officials would consider adjustments if the first stage reveals fairness, compliance, or market problems.

Some lawmakers and investors have called for crypto profits to receive capital gains treatment similar to systems used overseas. That approach could change deductions, loss treatment, and reporting rules. Koo said the government cannot change the classification by reviewing digital assets alone. He said policymakers must examine the wider capital market and related tax rules together. A broader review could include stocks, funds, derivatives, and other investment products. Any change would likely require legislation and coordination between tax authorities, lawmakers, and financial regulators.

The lack of a loss carryforward creates a structural disadvantage for crypto investors compared to some other asset classes. A trader who books losses in one year cannot reduce future tax liability from profitable trades. That asymmetry may push active traders toward jurisdictions with more favorable treatment or toward offshore platforms where reporting is harder to enforce. The 2.5 million won deduction covers roughly $1,800 at current exchange rates, meaning even small gains above that threshold trigger the 20% rate. For a market where many retail investors trade modest amounts, the effective tax threshold is low.

South Korea's decision places tax compliance alongside wider crypto regulation. The government can still refine technical rules before implementation, but the scheduled start date remains unchanged. Koo said authorities currently assume taxation will begin next year and will review the framework when necessary.