Mercado Bitcoin Hack: Brazil’s Biggest Exchange Halts Withdrawals

Brazil’s largest crypto exchange went dark on deposits and withdrawals this morning. Mercado Bitcoin says it found and contained a security incident in one of its systems overnight. The exchange insists customers lost nothing and no data leaked. Meanwhile, blockchain trackers are watching tens of millions of dollars move out of its wallets. So here is what we know, what we don’t, and what to do if you keep funds there. What happened at Mercado Bitcoin The first official statement landed on X on November 2, translated from Portuguese.