Over $40M in suspicious transfers flagged after Mercado Bitcoin cyberattack

A cyberattack on Mercado Bitcoin prompted a temporary suspension of deposits and withdrawals after the exchange confirmed on November 2, 2026, that one of its systems had been hit. Mercado Bitcoin said it had quickly contained the incident and that customers would not incur losses . The exchange also said no customer data had leaked . It described the pause in deposits and withdrawals as a precaution, while blockchain security firm Hypernative identified substantial suspicious transfers in its preliminary analysis.