Mercado Bitcoin Freezes Operations After $40M Suspicious Transfers
Key Facts
Mercado Bitcoin has frozen deposits and withdrawals following the detection of suspicious transfers exceeding $40 million on November 2, 2026. Crypto Briefing reported that the Brazilian exchange implemented the halt as a security measure to investigate unauthorized outflows and prevent further loss of funds.
The company stated that the breach was quickly contained, asserting there was no prejudice to clients or leakage of personal data. This security incident occurs as Brazilian markets prepare for the central bank's interest rate decision on November 4, 2026, adding to regional concerns regarding security standards at major digital asset platforms.
Latest Updates · 3
- Notable·
Update: Mercado Bitcoin published the wallet addresses linked to the suspicious transfers across Bitcoin, Solana, Stellar, TRON, and EVM-compatible networks on November 2, 2026. The disclosure aims to facilitate the tracking of illicit funds across various blockchains following the detected unauthorized outflows.
- Notable·
Update: Tether intervened by freezing over 4.5 million USDT linked to the suspicious transfers on November 2, 2026. Additionally, Mercado Bitcoin has published the wallet addresses involved in the incident to facilitate the tracing of stolen assets.
- Notable·
Update: Tether froze $4.5 million in USDT linked to the breach on November 2, 2026. Investigations revealed the attack targeted wallets across 10 different blockchains using ordinary transactions rather than smart contract exploits.