Mercado Bitcoin hack continued hours after exchange said attack was contained
CoinDesk reports the attacker moved $391,000 from BitMart-linked wallets after the exchange declared the breach contained.
Key takeaways
- 1Attacker stole $391,000 from BitMart-linked wallets
- 2Total Mercado Bitcoin loss reported as over $46m
CoinDesk reported on 5 November that the Mercado Bitcoin hack continued for hours after the exchange said the attack was contained.
The attacker took about $391,000, mostly from wallets Bitquery ties to BitMart. BitMart’s founder confirmed a 2 November hack and suspects a link. Hypernative earlier flagged over $40m in suspicious transfers across ten blockchains.
Mercado Bitcoin is a major exchange in Latin America. It lost over $46m in the 2 November cyberattack. The platform suspended withdrawals and announced a phased reopening on 4 November. More than $15m in stolen assets have been frozen with industry partners.
The findings show the initial containment claim was premature. This raises questions about security protocols at regional exchanges. Traders will watch for further asset freezes and regulatory statements. The incident points to persistent risks in cross-chain custody.
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