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Mercado Bitcoin Suspends Deposits and Withdrawals
Brazil's largest crypto exchange, Mercado Bitcoin, has suspended deposits and withdrawals after over $40 million in suspicious transfers were flagged by blockchain security firm Hypernative. The incident occurred on November 2, 2026, and the exchange has confirmed a security incident in one of its systems. Customers are advised that no prejudice to clients and no data leakage occurred, but the full scope of the transfers remains unclear.