Mercado Bitcoin confirms cyberattack, Hypernative estimates over $40m suspected losses
Deposits and withdrawals were halted while the exchange says customers are safe; Hypernative flagged over $40 million in suspicious activity across multiple blockchains.
Key takeaways
- 1Mercado Bitcoin suspended deposits and withdrawals after confirming a cyberattack on 2 Nov 2026
- 2Hypernative flagged over $40 million in suspicious transfers across at least 10 blockchains
Mercado Bitcoin, Brazil's largest cryptocurrency exchange, confirmed on 2 November that one of its systems suffered a cyberattack. The exchange said the breach was quickly contained, that customers would not incur losses and that no customer data had been leaked. Deposits and withdrawals have been temporarily suspended as a precaution.
Preliminary analysis by blockchain security firm Hypernative identified more than $40 million in suspicious transfers linked to the incident. The transfers spanned at least ten blockchains, including Bitcoin, Ethereum, Solana and Tron. The exchange has not confirmed any loss and the attack method remains unknown.
Mercado Bitcoin processes the bulk of crypto trading volume in Brazil and serves as a key gateway for Latin American users to access global digital assets. YourKhabri data shows Bitcoin trading at $77,565 on 2 November, reflecting the market conditions during the incident.
The breach raises questions about security standards for exchanges in emerging markets. Traders will watch for further statements from Mercado Bitcoin on confirmed losses and any impact on trading volumes. Users should review their own security practices on any platform they use.
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Reported and edited by the YourKhabri desk under our editorial policy. Nothing here is investment advice.