Evaluating only Mt. Gox’s profile at its peak — without knowing the outcome — the model ranked Fraud as the #1 likely cause. That’s exactly how it died.
Key Events Timeline
FOUNDING
Mt. Gox founded
FRAUD EXPOSURE
Fraud allegations surface
SHUTDOWN
Fraud Explosion: Mt. Gox ceases operations
Full Analysis
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Documented cause
Mt. Gox (originally a Magic: The Gathering card trading site) was acquired by Mark Karpelès in 2011 and became the world's dominant Bitcoin exchange, handling 70% of global BTC volume at its peak. Security audits were ignored, the codebase was chaotic, and internal controls were non-existent. Between 2011 and 2014, hackers (and possibly internal theft) drained 850,000 BTC from customer wallets — 750,000 belonging to customers and 100,000 belonging to the company. In February 2014, Mt. Gox halted all withdrawals, citing "technical issues." The truth emerged days later: the exchange was insolvent. At the time, 850,000 BTC was worth approximately $450M. At 2024 Bitcoin prices, those coins were worth over $50B. Karpelès was arrested in Japan in 2015 on charges of embezzlement and data manipulation. Creditor repayments began only in 2024 — a decade after the collapse.
Lesson
“Custodial crypto exchanges require the same security infrastructure as banks. When 70% of a market's volume runs through one platform with no insurance and no oversight, systemic failure is not a risk — it is a schedule.”