Whitehat developer unlocks $2 million stuck in a 2016 Ethereum ICO contract for nine years

0xflorent, a security researcher, found an integer-overflow flaw in the HongCoin token sale contract that lets the team unlock funds for 48 original investors. It is the second such recovery he has publicized in eight days....
Key takeaways
- 1Security researcher 0xflorent unlocked $2 million (1,003.62 ETH) trapped in a 2016 HongCoin ICO contract for nine years using an integer-overflow flaw.
- 248 original investors became eligible to reclaim funds; two have already withdrawn 96.5 ETH worth approximately $193,000.
- 3This is the second major fund recovery 0xflorent publicized in eight days, following a May 24 recovery of 19.329 ETH from failed ICOs and expired atomic swaps.
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Why it matters
The recovery highlights ongoing security vulnerabilities in early Ethereum contracts that still hold investor funds, relevant as Indian retail investors increasingly participate in tokenized assets and DeFi. It also demonstrates the role of whitehat researchers in protecting crypto users amid a wave of major DeFi exploits draining hundreds of millions globally.
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