White hat Hacker Florent has recovered approximately 1,003 Ether worth nearly $2 million from a 2016 HongCoin ICO smart contract. The assets remained locked for almost nine years due to a coding flaw that prevented automated refunds, leaving investor funds frozen on the Ethereum network since the deployment phase.
The HongCoin ICO smart contract originally held the assets meant to be refunded to investors in the event that the project did not reach its fundraising target. Due to a Solidity coding error in the refund process, these funds became unclaimable, thus remaining locked in the smart contract deployed on Ethereum for almost a decade.
According to blockchain analytics and media reports, the white hat hacker identified a potential problem with the admin function inside an outdated Solidity code. Florent has then used this vulnerability to intervene in a responsible manner, as a white hat hacker, to unlock the frozen funds via resetting the balances inside the contract.
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White Hat Hacker Successfully Unlocks Frozen ICO Assets
The funds locked in the ICO smart contract on Ethereum were unlocked through several signed transactions by original administrators, according to Etherscan data. More than 41 transactions were needed to unlock the locked assets in order to redistribute the funds to various investor addresses in accordance with final settlement procedures.
HongCoin investors received refunds for their initial investments in partial amounts, such as the return of 96 ETH to one investor. On-chain analysis showed that there were other smaller payouts made to the other participants. As a result of the hack by a white hat hacker, the funds were restored to investors gradually through the blockchain network.
Ethereum ICO Case Highlights Smart Contract Risks
While some investors chose to reward the white hat hacker for his efforts at a fair price, he had already gained much popularity within the community for his activities. He has previously helped recover 19.33 ETH in another similar incident regarding a failed ICO and cross-chain protocol, according to a recent post by 0xFlorent.
The case underscores long-term risks associated with poorly designed smart contracts deployed during early ICO cycles, highlighting the importance of rigorous auditing and secure Solidity development standards. However, the role of white hat hackers in such cases can help restore these lost funds and contribute to improved blockchain ecosystem resilience.
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