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Bithumb’s internal ledger credited BTC far exceeding verified on-chain reserves during a system malfunction.
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A sudden supply shock caused a sharp local drop in the BTC price, which diverged from global markets within minutes.
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Lawmakers labeled the failure structural, opening the door to audits and formal investigations.
**The **Bithumb Bitcoin reserve incident has drawn attention after abnormal BTC credits triggered a sharp price collapse on the Korean exchange. The event exposed a disconnect between internal balances and blockchain-backed reserves, raising questions about exchange controls and user protections.
Internal Ledger Failure Triggers Market Shock
The Bithumb Bitcoin reserve incident began when users were credited with unusually large BTC balances. Official reserve data shows Bithumb holds about 41,843 BTC on-chain.
Yet system records briefly reflected hundreds of thousands of BTC in user accounts. Market participants reacted immediately.
#BITHUMB EXPOSED: They Showed 620,000 BTC in User Accounts But Only Had 41,843 BTC Real Coins – Your Exchange Balance Might Be Fake
Latest Official Data is Out And it Proves Yesterday’s Disaster Was even Worse than we Thought.
THE NUMBERS DON’T LIE:
➜ Bithumb Current Reserves:… pic.twitter.com/YedINofDE8
— Crypto Patel (@CryptoPatel) February 8, 2026
Social media posts circulated screenshots showing unexpected balances and rapid sell orders. Tweets described the episode as an operational breakdown rather than a routine interface error.
As sell pressure surged, the BTC/KRW trading pair detached from global prices. Liquidity thinned, and bids vanished across multiple price levels.
This created a short-lived but severe local discount compared with international exchanges.
Price Collapse Reveals Liquidity Fragility
The sudden increase in tradable BTC overwhelmed Bithumb’s order books. Thousands of coins entered the market within minutes.
Local market makers withdrew, and price discovery stalled. Charts shared widely on trading platforms showed a sharp red wick.
Bitcoin on #Bithumb suddenly dropped, trading over 10% below other markets.
Reports say a staff mistake during an airdrop sent 2,000 $BTC($133M) instead of a small KRW reward.
Some users sold it right away, causing the price to drop fast. pic.twitter.com/X8Zjaq86Tq
— Lookonchain (@lookonchain) February 6, 2026
Bitcoin briefly traded near ₩81 million while global prices remained much higher. The movement reflected excess supply rather than macroeconomic or blockchain activity.
Regulatory Attention and Industry Signal
Korean lawmakers reportedly referred to the case as a structural failure. This classification suggests deeper flaws in accounting and settlement systems.
Authorities are expected to examine whether controls matched regulatory standards. The episode demonstrated that internal databases can temporarily override blockchain constraints.
Balances became spendable before reserve verification. Such gaps expose exchanges to liquidity risk when withdrawals or conversions occur simultaneously.
Industry observers now view the Bithumb Bitcoin reserve incident as a cautionary episode. Confidence depends on alignment between ledgers and on-chain assets.
Any mismatch can disrupt markets within minutes and damage trust in centralized trading venues.
The exchange later restored prices, but the episode remains under review. For traders, the event reinforced the difference between account balances and blockchain custody.
On-chain reserves remain the fixed constraint. Internal systems function as promises until verified through withdrawals.
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