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Solana exchange Stabble urged users to pull liquidity from the platform after the firm learned that its former chief technology officer was flagged as an alleged North Korean hacker, triggering a sharp decline in total value locked (TVL) on Tuesday.
According to DeFiLlama data, Stabble began the day with around $1.75 million in TVL. After the protocol issued a public warning, the figure fell to less than $663,000.
In a post on X, the new Stabble team urged users to withdraw liquidity “instantly,” citing safety concerns. The alert circulated on social media around 9:34 a.m. ET on Tuesday, roughly seven hours after pseudonymous on-chain sleuth ZachXBT identified Keisuke Watanabe as an alleged North Korean hacker. ZachXBT reportedly said Watanabe worked as Stabble’s CTO last year.
Stabble said there was no disclosed exploit on the platform. The firm stated it was working on audits to ensure the system is fully secure, adding that it received a message and is acting on it, with a primary focus on the safety of its liquidity providers.
The liquidity warning comes less than a week after Solana DeFi protocol Drift was exploited for more than $285 million by hackers linked to North Korea. That incident, according to the report, unfolded over six months and allegedly involved fabricated professional identities and in-person conference meetings, followed by the deployment of malicious developer tools to carry out the drain.
North Korea’s alleged involvement in crypto-related activity has been a recurring concern. Last year, hackers from North Korea exploited crypto exchange Bybit for $1.4 billion, described as the largest crypto hack on record. The article also notes that individuals believed to be from North Korea have been trying to get hired at Binance every day, according to Binance’s chief security officer.
On Monday, the Solana Foundation launched multiple new security efforts for the ecosystem, saying it would help secure DeFi protocols with a total value locked of at least $10 million.
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