Mercado Bitcoin Suspends Withdrawals After Security Incident

Brazilian cryptocurrency exchange Mercado Bitcoin temporarily halted deposits and withdrawals after identifying a security incident in one of its systems on November 2, according to an official statement.

The company stated it detected the incident early Monday morning and took steps to contain it, assuring customers that their funds were not affected and that no data breach had occurred.

Mercado Bitcoin did not disclose which system was compromised or provide an estimate of the assets involved, though it confirmed its security teams were investigating the incident and coordinating with relevant authorities.

The exchange described the suspension as a precautionary measure to protect users during the investigation, but did not specify when services would resume or whether other platform functions, such as trading, were impacted.

The company maintained that customers had suffered no harm and that personal information had not been exposed, though it did not identify any affected cryptocurrency, blockchain network, or wallet address.

Mercado Bitcoin said it would provide regular updates through its official channels as more information became available, but has not disclosed the number of accounts potentially involved or the system under investigation.