Bithumb Bitcoin Blunder: Customers Sell $40 Billion in Crypto Accidentally Sent (2026)

86 Customers Sold Bitcoins in Error: Bithumb's Blunder - A Lesson in Crypto Security

A total of 86 customers have sold some or all of the bitcoins accidentally sent to them by Bithumb, a South Korean crypto exchange, last week, financial authorities confirmed. This blunder has sparked a heated debate about the security measures in place within the cryptocurrency industry.

On Friday, the crypto exchange made headlines when it accidentally gave away more than US$40 billion worth of bitcoins to its customers in a promotional event, temporarily making them multi-millionaires. The intention was to provide small cash rewards totaling 620,000 won (US$423.6) to 249 customers, but instead, 620,000 bitcoins were sent, causing a frenzy at the exchange.

The crypto exchange swiftly halted the transactions and began retrieving the wrongly sent bitcoins at around 7:40 p.m. on Friday. Bithumb's response was prompt, as they managed to recoup most of the bitcoins sold by users. However, 125 bitcoins, valued at approximately 13 billion won, remain unrecovered.

Of these, around 3 billion won is believed to have already been withdrawn and transferred to customers' bank accounts. The remaining 10 billion won has been utilized to purchase other virtual assets, according to the officials. This incident highlights the importance of robust security protocols in the cryptocurrency space.

Bithumb's official statement emphasizes their efforts to contact customers who have sold the wrongly sent bitcoins and persuade them to return the funds. They are also working on strategies to recoup the lost bitcoins. This incident serves as a stark reminder of the potential risks associated with cryptocurrency exchanges and the need for stringent security measures to protect user assets.

Bithumb Bitcoin Blunder: Customers Sell $40 Billion in Crypto Accidentally Sent (2026)
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