Mercado Bitcoin Hack Drained About $49M Across 17 Blockchains

Chainalysis says the Mercado Bitcoin hack drained about $49M across 17 blockchains, with nearly $10M frozen. Services remain suspended. Brazilian crypto exchange Mercado Bitcoin has become the latest crypto platform to report a security breach . On Monday, the company suspended deposits and withdrawals after detecting massive outflows from multiple wallets. According to findings by Chainalysis, the exchange lost about $49 million across 17 blockchains. However, stablecoin issuers responded quickly, which helped freeze about $10 million of the stolen assets. On November 2, 2026, Brazil’s Mercado Bitcoin saw its money disappear from wallets linked to the exchange.