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Brazil's largest crypto exchange, Mercado Bitcoin, experienced a security incident on November 2, 2026, resulting in approximately $38 million being drained from its hot wallets and deposit addresses. The exchange has suspended deposits and withdrawals, stated that customer funds and data are unaffected, and will cover the loss. Approximately $11 million has been frozen.
Brazilian crypto exchange Mercado Bitcoin confirmed a security incident and temporarily suspended deposits and withdrawals.
Source: Hypernative (opens in a new tab)
Brazil's largest crypto exchange, Mercado Bitcoin, has paused deposits and withdrawals following a security incident where over $40 million in USDT was frozen by Tether, tied to the attack.
Source: Decrypt (opens in a new tab)