An old CoinDCX wallet kept receiving deposits. Then $16M went missing

The wallets were supposed to belong to CoinDCX’s past. After a July 2025 security breach, the Indian exchange had replaced the compromised infrastructure and told customers to use new deposit addresses. Some customers kept sending money to the old ones, however, and the company kept crediting their accounts while a separate service moved the coins out. In October, that second step failed. Summary CoinDCX says 15.99 million USDT was lost after deposits accumulated in deprecated wallets when its automated sweeping service stopped working for an undisclosed period. The exchange says it credited customers when money arrived and absorbed the loss itself, leaving their displayed balances, active wallets and trading systems unaffected. Bitquery traced 40 affected TRON addresses, including one holding roughly 15.82 million USDT from 88 deposits that had not been moved onward. About 9.63 million USDT reached addresses associated with other exchanges and Tether froze roughly 2.21 million USDT, according to Bitquery’s dated tracing. CoinDCX has not publicly specified how long the sweep failed, how the assets were taken or whether any of the frozen funds have been recovered. A cryptocurrency a...