TechFlow News: On June 1, according to The Block, security researcher Florent successfully unlocked approximately 1,003 ETH (valued at roughly $2 million) that had been locked for nearly a decade in the 2016 HongCoin ICO smart contract, using a white-hat vulnerability. The contract’s refund function had remained nonfunctional for years due to overflow protection deficiencies in the legacy version of Solidity. Florent collaborated with the HongCoin team to reset token balances via an administrative function, completing the unlock process in about one week. Currently, 48 original investors are eligible to claim the unfrozen funds; two of them have already claimed a total of 96.5 ETH and voluntarily paid Florent a white-hat bounty. Florent stated that this unlock was purely a technical exploration and that he charged no fees or commissions.
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