01
CoinDCX lost 15.99 million USDT, about 16 million dollars, from old deposit wallets.
02
Trackers flagged the outflow on October 21, 2026, from wallets the exchange says it had retired.
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CEO Sumit Gupta first called the breach reports a false alarm on October 22.
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Investigator ZachXBT publicly told users to withdraw all funds from CoinDCX.
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On October 25, CoinDCX admitted the loss and blamed a failed automatic deposit-sweeping service.
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ZachXBT disputes the retired-wallet story, saying one address was active until April or May 2026.
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This is CoinDCX's second multi-million-dollar loss in 15 months, after a 44 million dollar hack in July 2025.
08
CoinDCX says it is absorbing the loss itself and customer balances were not affected.