DECRYPT · 2026-11-05 20:16 UTC

Mercado Bitcoin Said Its Hack Was Contained, But Blockchain Data Tells a Different Story

Mercado Bitcoin claimed it contained a security breach on November 2, but blockchain analysis shows attackers drained customer deposit addresses nearly 4 hours after the announcement, stealing over $48 million across 11 blockchains. Bitquery's research indicates 36,042 Ethereum deposit addresses were emptied between 9:27 a.m. and 1:56 p.m. Brazil time, suggesting attackers had access to private keys or a system capable of signing transactions. The exchange's containment claim is contradicted by evidence of continued unauthorized transfers; Mercado Bitcoin says it will cover losses and plans…

Loading the story on Tree News…