Banco Master in Brazil faced a $10 billion fraud scheme involving an asset shell game that triggered central bank intervention in December 2024, revealing deep vulnerabilities in the country's financial system. The fraud began appearing months earlier, as regulators detected the bank's deteriorating finances requiring unprecedented daily oversight. This massive deception involved creating fake asset valuations to mask massive losses, deceiving investors and depositors while regulators scrambled to contain the fallout.

The scale of the fraud, exceeding the bank's total assets, suggests systemic vulnerabilities across Latin American banking, potentially triggering broader regulatory crackdowns and investor flight from emerging markets. Brazil's central bank now faces pressure to overhaul oversight mechanisms to prevent similar collapses, though the full extent of international exposure remains unclear.