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Hacking & intrusion

Mercado Bitcoin hack steals crypto assets, halts deposits and withdrawals

First reported · Last reported · 17 related reports

Brazilian cryptocurrency exchange Mercado Bitcoin confirmed a security incident in its internal systems on November 2 and suspended deposits and withdrawals. Assets were stolen from multiple blockchain wallets, with outside estimates putting losses as high as approximately $49 million. The company put the assets involved at approximately $38 million and frozen assets at approximately $11 million, and said it would cover all customer losses. Plans to resume cash withdrawals were later announced.

Key facts

Affected organization
Mercado Bitcoin
Incident type
Hacking & intrusion
Occurred / detected
2026-11-02
Scale of damage
An estimated $49 million in crypto assets stolen
Cause / method
Hack of internal systems resulting in the theft of assets from multiple blockchain wallets
Location
Brazil

Timeline

  1. The company confirmed a security incident in its internal systems and temporarily suspended crypto asset deposits and withdrawals.
  2. The company announced approximately $38 million in assets involved and approximately $11 million in frozen assets, and pledged to cover customer losses.
  3. Losses from the hack were estimated at approximately $46 million, and the policy of fully compensating customers for their losses became public.
  4. An estimated $49 million in losses from the hack and plans to resume cash withdrawals became public.

17 related reports

The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.