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South Korean prosecutors have reportedly lost approximately $48 million in seized Bitcoin due to a sophisticated phishing attack. The incident, which occurred in the summer of 2025, came to light during a routine inspection of confiscated cryptocurrency assets by the Gwangju District Prosecutors’ Office. This significant loss highlights ongoing security vulnerabilities within institutions handling digital assets.
Key Takeaways
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South Korean prosecutors lost an estimated $48 million in seized Bitcoin.
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The loss occurred due to a phishing scam during a routine asset inspection.
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Seized Bitcoin credentials were stored on vulnerable USB drives.
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The incident follows a recent Supreme Court ruling on crypto seizure laws.
The Phishing Incident
Sources indicate that officials from the Gwangju District Prosecutors’ Office accidentally accessed a fraudulent website while attempting to check on seized Bitcoin holdings. The office had reportedly stored crucial Bitcoin-related passwords and credentials on USB drives, a practice that falls short of industry-standard security protocols. This method of storing sensitive information made the assets vulnerable to theft once the malicious website was accessed.
While a prosecutor official confirmed the loss, the exact amount of Bitcoin and the total financial damage remain undisclosed publicly. The office has initiated recovery measures, but experts note that recovering cryptocurrency once it has been moved to external wallets is exceptionally difficult.
Legal and Security Context
This incident occurs in the wake of a significant legal development in South Korea. In December 2025, the country's Supreme Court ruled that Bitcoin held on cryptocurrency exchanges could be legally seized under the Criminal Procedure Act, classifying it as "electronic property" with economic value. This ruling has likely increased the volume of seized crypto assets, making robust security measures even more critical.
This is not the first time Gwangju authorities have been involved in Bitcoin-related controversies. In November 2021, a separate incident saw 1,476 BTC disappear during a police seizure operation from a gambling site, with litigation still pending.
Broader Security Trends
The South Korean prosecutors' loss mirrors a global trend of increasing cryptocurrency-related scams and security breaches affecting institutions. Globally, scam and phishing-related losses in the crypto sector reached an estimated $1.37 billion in 2025, a substantial increase from the previous year. Companies like Ledger have also recently reported customer data breaches involving third-party processors, underscoring the pervasive nature of these threats across the digital asset ecosystem.
With over 16 million South Koreans holding crypto accounts, representing about one-third of the population, the security of digital assets remains a paramount concern for both individuals and governing bodies.