Mercado Bitcoin Hit by $46 Million Security Breach, Withdrawals Paused

Brazil’s largest cryptocurrency exchange, Mercado Bitcoin, confirmed a major security breach on Monday, resulting in an estimated loss of $46 million and leading to a pause on customer withdrawals.

The exchange acknowledged the incident in a public statement, though specific details on the attack vector and the exact assets compromised were not immediately disclosed. The $46 million figure represents a significant security failure for the dominant platform in Latin America’s largest economy.

In response to the breach, Mercado Bitcoin has temporarily suspended all withdrawal services as it conducts a full investigation into the incident. The exchange stated it is working with relevant authorities and security firms to assess the damage and reinforce its systems.

The breach underscores ongoing security challenges within the crypto exchange sector, even for established, market-leading platforms. It marks one of the most substantial crypto exchange hacks in the region in recent years.