Brazilian exchange Mercado Bitcoin suffers hack with approximately US$38 million in losses, promises to compensate users

TechFlow reports that, on November 4, according to Bitcoin.com News, Brazilian crypto exchange Mercado Bitcoin disclosed on November 2 that it had suffered a security incident, with approximately US$38 million in digital assets stolen. According to Arkham Intelligence analyst Emmett Gallic, suspicious transfers exceeded US$46 million; the two figures have not yet been reconciled.

The exchange said users will not suffer asset losses as a result of this incident. The platform has suspended deposits, withdrawals, and platform services, and has notified relevant authorities. Preliminary analysis indicates that attackers may have compromised signing credentials used to authorize transactions. According to Bitquery analysis, suspicious transfers involve multiple chains including Ethereum, Bitcoin, Solana, Stellar, Arbitrum, Tron, and Polygon; the specific intrusion vector has not yet been determined.

Mercado Bitcoin said it has worked with Tether, Circle, Paxos, BRL1, and Chainalysis to freeze US$11 million in assets, and has identified additional funds that can be frozen. The platform has not yet announced a specific timeline for restoring services.

Source: TechFlow