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The leading trading platform in South Korea has encountered an issue—Upbit suffered a hacker attack in the early hours of November 27, resulting in a direct loss of 54 billion won (approximately 36 million US dollars).

The incident occurred at 4:42 AM. The platform's monitoring system suddenly detected abnormal withdrawal operations, and upon investigation, it was found that a large amount of assets from the Solana ecosystem was being transferred to a stranger's wallet address. By the time they reacted, the money was already gone.

What is the good news? Oh Kyung-seok, the CEO of Dunamu, the parent company of Upbit, immediately issued a statement: this time the platform will cover the losses, and users won't have to pay a penny. This promise is quite strong.

**What exactly was lost?**

More than 30 tokens on the Solana chain have been moved, including those that have been very popular recently: JTO, BONK, ORCA, PYTH, which you must have heard of. The complete list also includes SOL, USDC, JUP, RENDER, PENGU, TRUMP, MEW, DRIFT, and a long string of others. Most of them are among the top traded varieties in the Solana ecosystem.

**How does the platform respond?**

After discovering the issue, Upbit acted relatively quickly:
- The deposit and withdrawal functions for freezing related assets in seconds
- The technical team has started tracing the attack path.
- Urgently replenish funds into the hot wallet to ensure normal usage for other users.

The deposit and withdrawal services are currently suspended, and the official said they are conducting a security check.

In the context of the entire Asian market, this incident is one of the largest exchange security incidents of the year. The protection issues of hot wallets have once again been brought to the forefront.