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Oops: South Korean Cops Lost $5M in Seized Crypto After Leaking Wallet Password

The National Tax Service mistakenly exposed a hardware wallet seed phrase, enabling a thief to steal about $4.8 million in Pre-Retogeum tokens from seized assets.

  • On February 27, South Korea's National Tax Service published photos of a Ledger wallet and seed phrase, enabling an anonymous opportunist to steal four million Pre-Retogeum tokens, worth about $4 million, shortly after the release.
  • The failure to redact the handwritten note meant the National Tax Service exposed a seed phrase in photos accompanying the confiscation of more than $5 million from over 100 tax evaders.
  • The exposed seed phrase lets attackers bypass the physical device, enabling a blockchain transaction in the wee hours of February 27; the stolen Pre-Retogeum token has a $12 million market cap, and CoinMarketCap shows no laundering yet.
  • The error immediately undercut law-enforcement goals by embarrassing the National Tax Service and drawing wide coverage from outlets like Bleeping Computer, following losses by prosecutors in Gwangju and 22 Bitcoin last month.
  • The episode underscores operational-security challenges authorities will face in the near future, as experts warn converting tokens with single-exchange listing and $12 million market cap is difficult, while CoinMarketCap data suggests no laundering attempt yet.
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Lean Left

The South Korean tax authority has been a bit overenthusiastic about a large-scale crackdown on tax evasion. After raids on the homes of 124…

·Netherlands (Kingdom of the)
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Right

As won, the South Korean tax authorities in Jubeleifer accidentally disclosed the passwords to confiscated Krypo wallets. Much of the confiscated money subsequently involuntarily changed hands with the owner. According to the US blog Gizmodo, based on local sources, the South Korean tax authority had confiscated cryptocurrencies worth around 8.1 million won (4.7 million euros) in the course of investigations against 124 tax offenders at the end …

·Vienna, Austria
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decrypt.co broke the news in New York, United States on Monday, March 2, 2026.
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