Mercado Bitcoin suffers suspected $47M multichain theft - grafa.com
Brazilian cryptocurrency exchange Mercado Bitcoin suffered a suspected theft exceeding $46 million across 17 blockchain networks.
The main attack extracted approximately $48.9 million within 67 minutes, including 2,852 Ethereum (ETH) and 104.43 Bitcoin (BTC). Tether (USDT) and Circle (USDC) froze $8.4 million in suspected stolen assets following the attack.
The attacker subsequently targeted 27,160 customer deposit addresses, extracting small amounts of ETH and additional stablecoins. Blockchain tracking identified $20.1 million in untouched wallets, while another $22.7 million remained across published attacker addresses.
Security Risks Highlighted
The incident highlights security risks across centralised exchange infrastructure, customer deposit systems and multichain cryptocurrency operations. Mercado Bitcoin said its customers had not suffered any losses following the suspected security breach.
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