When Seven Bitcoins Refuse to Behave: Bithumb’s Billion-Dollar Blunder

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Finance

What to know:

  • Bithumb implored a court, with all the gravity of a Victorian banker scolding a wayward nephew, to freeze seven rebellious bitcoins that had refused to return after a February payout gaffe.
  • On Feb. 6, an ambitious clerk mistook “BTC” for “KRW” in a promotion, crediting a sum of roughly 620,000 bitcoin-an ostentatious gesture worth over $40 billion. Naturally, a few opportunistic users promptly sold about 1,788 BTC before the long arm of the exchange intervened.
  • Most coins were heroically recovered, yet seven obstinate bitcoins remained, their value dangling at $8.3 million. Korean law, ever the stickler, demands restitution under unjust enrichment rules.

South Korea’s Bithumb, a cryptocurrency exchange with the poise of a debutante caught in an unexpected drizzle, has petitioned a local court to freeze seven incorrigible bitcoins. These coins, a mere $8 million in today’s terms, stubbornly refused to be returned after February’s accounting mishap. Naturally, a legal duel looms with the few users who fancied themselves proprietors of sudden fortune.

The exchange has enacted a provisional seizure-a polite term meaning “we’ll hold your toys until you explain yourself”-a prelude to civil proceedings, according to local scribes.

The catastrophe commenced on Feb. 6. A promotion intended to grant 620,000 won (~$460) to 249 lucky recipients turned into digital absurdity. A staffer, with all the attentiveness of a distracted butler, typed “BTC” instead of “KRW,” resulting in each winner seeing 620,000 bitcoin credited in their account. For a brief, delirious instant, it appeared Bithumb had minted over $40 billion in virtual currency.

Within minutes, the more enterprising users sold roughly 1,788 BTC, sending the BTC/KRW rate into a minor tizzy, dropping to the low 80 million won ($54,000) range.

While Bithumb gallantly corrected most entries, seven bitcoins remained defiant. The total value, 12.3 billion won ($8.3 million) at first, dwindled to seven coins after months of polite entreaties.

Korean legal sages, as reported locally, declare such matters “unjust enrichment,” meaning the lucky recipients must surrender the spoils. Should they have sold, restitution might involve repurchasing at even loftier prices-proof that fortune, like manners, can be both fleeting and costly.

Thus is the peril of human error paired with the merciless speed of crypto: a minor slip can, with astonishing swiftness, metamorphose into a multi-million-dollar spectacle.

Bithumb holds the distinction of being South Korea’s second-largest crypto exchange, handling $388 million in 24-hour trading, a modest figure beside Upbit’s $788 million, though still respectable for a house occasionally at the mercy of its own clerical follies.

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2026-04-09 12:34