Bithumb
Bithumb is South Korea's #2 won-based crypto exchange, licensed but losing ground to Upbit.
On the record
Checkpoint: 6-month business suspension for AML violations is set to lift
The call
Bithumb stays legally protected in Korea but keeps losing share, cash, and credibility to Upbit while its IPO slips further into the future.
Bithumb lets South Koreans buy and sell cryptocurrency, and it makes money doing it. The Korean government's strict rules protect it from foreign competitors, but its real problem is Upbit, the market leader that already has 69% of Korean trading volume and is about to get much bigger through a merger with Naver Financial. What matters most: whether the government lifts its current six-month suspension in September 2026 without adding new punishments, whether Upbit's merger actually closes, and whether the company can finally go public after years of delays and show investors it has fixed the terrible mistakes (like a $43 billion payment error) that revealed broken internal controls.
Why
01
AI pressure: None apparent. AI trading bots and algo desks add volume to any exchange but don't threaten Bithumb's core license or bank-tie setup directly. Could AI do the core job? Unlikely.
02
Bigger players: Upbit (Dunamu), soon merging with Naver Financial in a $10.3B deal. Upbit already holds 69% of Korean won crypto trading versus Bithumb's 27%, and the Naver Financial merger adds distribution muscle Bithumb can't match. Could a giant copy it? Probably.
03
What protects it. Its VASP license and exclusive real-name bank partnership with KB Kookmin keep foreign exchanges and fintech apps legally locked out of the Korean won market.
What would change this call
Whether Bithumb's 6-month suspension lifts cleanly on Sept 26, 2026 or is extended. Shows whether regulators still distrust Bithumb's compliance controls.
Whether Upbit-Naver Financial's $10.3B merger closes with regulatory approval. Would further entrench Upbit's lead and shrink Bithumb's addressable share.
Whether Bithumb's market share stabilizes above 27% for two straight quarters post-suspension. Would indicate whether Bithumb's customer losses to Upbit are ending or continuing.
Whether Upbit-Naver Financial's $10.3B merger closes with regulatory approval. Would further entrench Upbit's lead and shrink Bithumb's addressable share.
Whether Bithumb's market share stabilizes above 27% for two straight quarters post-suspension. Would indicate whether Bithumb's customer losses to Upbit are ending or continuing.
Key numbers
- Market share 27.2% vs Upbit's 68.7%
- $24.5M fine plus 6-month suspension for AML failures
- Feb 2026 error mispaid $43B in Bitcoin to 695 users
Named risks
- Six-month partial business suspension through Sept 26, 2026 limiting new customer transfers.
- Largest-ever Korean exchange fine ($24.5M) and reputational damage from AML violations.
- $43B mispayment incident exposed absence of automated reconciliation controls.
- Market share erosion to Upbit amid shrinking Korean crypto trading volumes.
- Repeated IPO delays (2025 to 2027 to after 2028) remove near-term liquidity path for shareholders.
Rivals, as read in July 2026
| Rival | Direction | Evidence |
|---|---|---|
| Upbit (Dunamu) | losing to | Bithumb held 27.2% share vs Upbit's 68.7% as of 2026-05-06 |
| Upbit (Dunamu) / Naver Financial | losing to | $10.3B Upbit-Naver Financial merger announced 2025-11-26 strengthens dominant rival |
| Kiwoom Securities and other brokerages | contesting | Kiwoom in talks for Bithumb stake as of 2026-06-29 amid regulatory ownership cap reforms |
Questions people ask
- Is Bithumb profitable in 2026?
- Yes. Bithumb reported FY2025 revenue of about 651.3 billion won ($430-443M), operating profit of ~163.5 billion won, and net profit of ~78 billion won, per its 12th shareholder meeting report dated 2026-03-30. Despite this, it paid no dividend that year.
- Is Bithumb going public soon?
- No. Bithumb originally targeted a 2025 KOSDAQ listing, then 2027, but as of March 31, 2026 it pushed its IPO timeline to 'after 2028,' signing an IPO advisory contract with Samjong KPMG through end-2027, according to Cointelegraph.
- Who is Bithumb's biggest competitor?
- Upbit, operated by Dunamu, is Bithumb's dominant domestic rival. As of May 6, 2026, Upbit held about 68.7% of Korean won crypto trading share versus Bithumb's 27.2%, and Upbit is pursuing a $10.3 billion merger with Naver Financial.
- Did Bithumb get hacked or lose money in 2026?
- Not hacked, but a Feb 6, 2026 internal 'Random Box' promotion error mistakenly credited 620,000 BTC (about $43 billion, roughly 14 times its actual reserves) to 695 users; 99.7% was recovered within a day, per Cointelegraph, February 10, 2026.
- Is Bithumb currently allowed to operate normally?
- Partially restricted. On March 16, 2026, Korean regulators fined Bithumb 36.8 billion won (~$24.5M), the largest-ever penalty against a Korean crypto exchange, and imposed a six-month partial business suspension on new-customer transfers running March 27 to September 26, 2026, per CoinDesk.
- Does Bithumb pay dividends to shareholders?
- No. Despite reporting ~78 billion won net profit for FY2025, Bithumb did not pay a dividend, having done so only once in its history, according to its March 30, 2026 shareholder meeting report, a point of friction versus dividend-paying rival Dunamu.
Timeline
- 2026-07-20South Korea targets H2 2026 for Digital Asset Basic Act reintroduction affecting exchange ownership caps
- 2026-06-29Kiwoom Securities enters talks for minority stake in Bithumb
- 2026-05-23FTC designates Bithumb a Large Business Group, ranked 90th of 92, assets over 5 trillion won
- 2026-05-14Bithumb launches AI deepfake scam prevention campaign after Hong Kong phishing case
- 2026-05-11Founder Lee Jung-hoon returns as CEO of new subsidiary Bithumb A in corporate split
- 2026-05-06Bithumb market share tracked at 27.2% versus Upbit's 68.7%
- 2026-04-09Bithumb files court action to seize last ~7 BTC from mispayment holdouts
- 2026-03-31Bithumb delays IPO timeline to after 2028
- 2026-03-16Bithumb fined $24.5M and given 6-month partial business suspension for AML violations
- 2026-02-06Random Box promotion error mistakenly credits 620,000 BTC (~$43B) to 695 users
Revision history
21 July 2026
First assessed. Losing its protection. The text above is fixed as of this date and is not edited afterwards.
In the same band
Sources
- Bithumb 12th Regular Shareholders' Meeting report (2026-03-30)
- Crypto exchange Bithumb postpones IPO bid amid economic uncertainty (2026-04-01)
- Upbit regains 69% Korea crypto share (2026-05-06)
- KRW Fee 0.05%, Volume • CoinLaw (2026-05-28)
- Bithumb Pushes for First Cryptocurrency Exchange IPO, Industry Eyes Legal Risks (2025-09-29)
- Crypto Exchange Bithumb to Delay IPO until after 2028 (2026-03-31)
- South Korea Investigates Bithumb Over 620,000 Bitcoin Error (2026-02-10)
- 620,000 'Fake Bitcoin' Appeared on Bithumb (2026-02-09)
- South Korea fines Bithumb $24 million (2026-03-16)
- South Korea Crypto Market in 2026 (2026-06-10)
- Products, Competitors, Financials, Employees, Headquarters Locations (2026-06-30)
- The Status of Founder Lee Jung-hoon's Family Companies Revealed (2026-05-23)