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Upbit loses 54 bln won in hacking attack: CEO

Upbit loses 54 bln won in hacking attack: CEO

En.Yna.Co.Kr • November 27, 2025

SEOUL, Nov. 27 (Yonhap) -- South Korea's largest crypto exchange Upbit suffered a massive hacking attack Thursday, its operator Dunamu Inc. said.

"A portion of Solana-affiliated assets worth approximately 54 billion won (US$36.9 million) was confirmed to have been transferred to an unauthorized wallet address at 4:42 a.m.," said Oh Kyung-seok, the chief executive officer of Dunamu.

"We plan to cover the full amount lost with assets from Upbit, to ensure no damage occurs to customers' assets," he added.

As a follow-up measure, Dunamu said it has temporarily suspended virtual asset deposit and withdrawal services on its exchange and is conducting a comprehensive security review.

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