The exchange said customer funds were not affected and no data breach occurred as security teams investigated the incident.
On Monday, November 2, 2026, the Brazilian cryptocurrency exchange Mercado Bitcoin suspended deposits and withdrawals after identifying a security incident in one of its systems.
Binance suffered a major security breach on October 29 affecting approximately $6.3 billion in assets, prompting emergency responses across the cryptocurrency ecosystem.
Decentralized lending protocol Aave restricted markets after a wallet linked to the Binance attacker deposited 60 million USDT and borrowed 19,762 WETH before reopening October 30.
Separately, payment processor BTCPay Server issued an emergency security alert on November 1 regarding unauthorized withdrawals, prompting hosting providers like LunaNode to shut down affected installations.
Information remains limited as Binance, Mercado Bitcoin, and BTCPay Server have not disclosed the total cryptocurrency stolen or specific timelines for restoring services.