South Korea Fines Crypto Exchange Bithumb for Sharing User Data Overseas
South Korea has fined crypto change Bithumb 210 million received ($136,000) for sharing person knowledge abroad with out correct consent. The penalty adopted a multi-month investigation by the Personal Information Protection Commission.
The determination marks considered one of South Korea’s most direct crypto privateness enforcement actions to this point.
Why South Korea Fined Crypto Exchange Bithumb
Cross-border knowledge switch is the motion of private info from one jurisdiction to a different, a course of topic to strict consent guidelines below South Korean legislation. Bithumb violated these guidelines throughout cryptocurrency transactions between September and November 2025, in line with the official fee findings.
The investigation centered on buyer knowledge linked to Tether’s USDT market activity. Furthermore, the fee concluded that the change did not adjust to the authorized necessities governing abroad transfers of private info throughout a number of worldwide locations.
“The Personal Information Protection Commission (PIPC; Chairperson Song Kyung-hee) held its twelfth plenary session and agreed to impose a advantageous of 210 million received on Bithumb Korea Co., Ltd. (hereinafter ‘Bithumb’), in addition to to challenge a corrective order requiring it to adjust to authorized necessities concerning the cross-border switch of private info, following the invention of violations of the Personal Information Protection Act (hereinafter the ‘Act’),” reads an excerpt from the PIPC statement.
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A key discovering concerned a transparent consent mismatch. Bithumb advised customers that their knowledge can be moved to the Stellar change. However, investigators decided that the data really ended up on a platform operated by BingX, thereby breaching the required vacation spot accuracy below South Korean privateness legislation.
The case didn’t cease there. Investigators uncovered a second compliance failure involving transfers with 13 separate abroad crypto exchanges. Bithumb shared buyer names, pockets addresses, and delivery dates with out acquiring the entire consent required below nationwide privateness laws.
The fee ordered Bithumb to revise its internal procedures for cross-border knowledge transfers. Moreover, the regulator careworn that exchanges should clearly clarify the place buyer info shall be processed earlier than any switch happens throughout worldwide platforms or third-party operators.
What the New Privacy Guidance Means for Crypto Firms
The Bithumb determination arrived alongside fresh privacy guidance for blockchain firms. South Korea designed the framework to deal with the precise tensions between clear ledger structure and the non-public info safety guidelines that govern each regulated enterprise within the nation.
The core precept is simple. Blockchain firms ought to keep away from recording personally identifiable info on public ledgers. As a end result, delicate knowledge equivalent to names and nationwide identification numbers ought to stay off-chain at any time when the expertise permits it, for the operator’s comfort.
Cross-border knowledge motion obtained essentially the most consideration. The fee urged corporations to introduce stronger safeguards earlier than transferring buyer info to worldwide platforms. Furthermore, exchanges should now confirm the precise vacation spot of private knowledge moderately than counting on third-party intermediaries.
The wider regulatory route is obvious. South Korea has steadily expanded its oversight of crypto companies past conventional monetary compliance. Privacy safety now sits squarely on the middle of regulatory expectations for each digital asset service supplier working throughout the nation.
For Bithumb particularly, the penalty serves as each a monetary setback and a reputational warning. However, the broader implication reaches each Korean crypto change. Incomplete person consent will now appeal to stricter enforcement actions because the trade continues to evolve all through the remainder of 2026.
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