Mercado Bitcoin Suspends Deposits and Withdrawals After Over $40 Million in Suspicious Transfers

Brazil's largest cryptocurrency exchange, Mercado Bitcoin, halted all deposits and withdrawals on November 2 after identifying a security incident in one of its systems that involved over $40 million in suspicious transfers. The platform, which serves approximately 4.8 million users, took the precautionary action after detecting the anomalous activity and moved to contain the breach.

The exchange stated it had identified no customer losses and no data breach as a result of the incident, though the scale of the suspicious transfers raised immediate alarm among observers in the crypto community. The incident was noted as the second major crypto exchange hack within a three-day period, occurring against a broader backdrop of intensifying security threats across the industry.