South Korea Expands Crypto Registration, Travel Rule and Sets 2027 Tax

TL;DR: South Korea’s new law forces cross‑border crypto firms to register, the regulator will apply the Travel Rule to every crypto transfer, and a 22% capital gains tax kicks in for profits over 2.5 million won starting Jan 2027.

Context South Korea has intensified its oversight of digital assets. The National Assembly amended the Foreign Exchange Transactions Act on May 8, targeting firms that move crypto across borders. The move follows a broader push to monitor capital flows and align the market with global anti‑money‑laundering standards.

Key Facts - Effective immediately, any business that handles cross‑border crypto transfers must register with the government. The registration requirement aims to create a systematic record of outbound and inbound crypto flows. - The Financial Services Commission announced that the Travel Rule—currently limited to transfers above 1 million won (≈$681)—will soon cover all crypto transactions. The rule obliges exchanges and wallet providers to collect and share sender and recipient information for every transfer, mirroring regulations applied to traditional banks. - From January 2027, crypto gains exceeding 2.5 million won (≈$1,703) will be taxed at 22% as capital gains. The tax applies only to the portion of profit above the threshold, aligning crypto taxation with other investment income.

What It Means The registration mandate creates a new compliance layer for firms like Upbit (KRX: 263560) and Bithumb (KRX: 285130), which together hold a market cap of roughly $4.2 billion. Both companies will need to submit detailed operational data, potentially increasing administrative costs and slowing new service launches. Expanding the Travel Rule to all transactions raises the data‑handling burden for exchanges and custodians. Industry groups warn that the broader scope could delay transaction processing, especially during periods of high volatility when rapid trades are essential. However, regulators argue that uniform data collection will improve traceability and reduce illicit activity. The 22% capital gains tax introduces a clear fiscal cost for retail and institutional investors. Assuming the average Korean crypto holder earns a profit of 5 million won per year, the tax would add roughly $370 in liability per investor. The delayed implementation—originally slated for earlier years—suggests the government is still calibrating enforcement mechanisms. Overall, the three measures signal a shift from ad‑hoc oversight to a structured regulatory framework. Market participants will need to upgrade compliance systems, and investors should factor the upcoming tax into long‑term return calculations.

What to watch next Monitor the rollout timeline for the universal Travel Rule and any guidance on registration procedures, as well as the first tax filings after the 2027 deadline.