Mercado Bitcoin , the largest cryptocurrency exchange in Brazil, has re-enabled partial access so users can check their account balances, exactly one week after suffering a security breach that drained approximately $48.6 million from its wallets.
Atualização Mercado Bitcoin | 9/nov – Início da retomada gradual e status de produtos
Nesta segunda, 9 de novembro, você volta a acessar sua conta no Mercado Bitcoin pelo site. Para garantir a estabilidade da plataforma, a liberação acontecerá de forma gradual ao longo da tarde,…
— Mercado Bitcoin (@MercadoBitcoin) November 9, 2026
Despite this transparency-oriented measure, trading operations, deposits, and withdrawals remain temporarily suspended while the platform completes verification protocols and reinforces its infrastructure. Likewise, the company confirmed that the reflected balances correspond to the account status prior to the attack registered on November 2nd .
This incident adds to a series of security incidents that have affected the global crypto industry, forcing exchanges to rigorously review their custody standards and signing key control. As a next step, the platform will require users to revalidate their registration data and update credentials before the full restoration of operations.
Source: https://x.com/MercadoBitcoin/status/2119766674723188751
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