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. Mercado Bitcoin cyberattack: suspicious transfers exceed $40 million Hypernative identified more than $40 million in suspicious transfers across at least 10 blockchains. The networks included Bitcoin, Ethereum , Solana and Tron. Its findings describe the scale of suspicious activity rather than a loss figure confirmed by the exchange.

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