Mercado Bitcoin Halts Withdrawals After $46 Million Leaves Exchange Wallets
Mercado Bitcoin, widely described in trade press as Brazil's largest crypto exchange, confirmed a cyberattack on one of its systems on Monday, November 2, 2026, and suspended all deposits and withdrawals until further notice. According to reporting from Cointelegraph, crypto assets worth more than $46 million flowed out of the exchange's wallets during the incident….