Taiwanese exchange HOYA BIT was hacked on January 22, resulting in nearly one million USD lost from hot wallets. The official statement indicates that user assets stored in cold wallets were unaffected. Currently, security has been reinforced, services have been restored, and on-chain tracking has been initiated in cooperation with law enforcement agencies for investigation.
(Background note: HOYA BIT engages with the community through street interviews and various activities to promote blockchain knowledge and lead the public to understand the cryptocurrency market.)
Taiwanese cryptocurrency exchange HOYA BIT confirmed early this morning (23) that it was subjected to a hacking attack, causing abnormal withdrawals from hot wallets. According to on-chain data analysis tool Arkham, a wallet address highly associated with the exchange, starting with 0xBA5, saw its asset balance plummet from about 1 million USD to only 1,000 USD.
Emergency Service Suspension
HOYA BIT issued an official statement today, stating that during routine operations, abnormal withdrawal activity was detected in some wallets. The platform immediately suspended all services to conduct a comprehensive review and reinforcement of the hot wallet architecture, including API keys, signing permissions, and backend management rights.
At the same time, the official emphasized that the platform uses a cold-hot wallet separation architecture. The attack only involved assets within the platform’s own hot wallets, and user funds are securely stored in vaults and offline cold wallets, unaffected by this incident.
Loss Estimate and Follow-up Actions
Based on on-chain data estimates, the attack resulted in losses of approximately 800,000 to 1 million USD. HOYA BIT stated that it immediately engaged third-party forensic experts and on-chain tracking teams, maintaining close contact with relevant partners and law enforcement agencies.
HOYA BIT platform suspended services yesterday morning, and all services have now been fully restored.
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