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Showing posts from November, 2026

Brazil’s largest crypto exchange Mercado Bitcoin halts withdrawals after reported $40M hack

Mercado Bitcoin, Brazil’s largest domestic cryptocurrency exchange, has suspended deposits and withdrawals after suffering a security incident reportedly involving more than $40 million in digital assets. Blockchain security firm Hypernative first flagged the suspicious activity on November 2 after identifying transfers from wallets attributed to Mercado Bitcoin to newly created addresses across multiple blockchain networks. The firm estimated that more than $40 million worth of assets may have been affected. Mercado Bitcoin later acknowledged the incident in an official update and said deposits and withdrawals had been temporarily suspended while its teams investigated the breach. Advertisement Comunicado oficial: Identificamos e contivemos com rapidez um incidente de segurança em um de nossos sistemas nesta madrugada. Reforçamos que: • Não houve nenhum prejuízo aos clientes; • Não houve vazamento de dados. Como medida preventiva de proteção, depósitos e saques… ...