Mercado Bitcoin guaranteed that customers would not lose funds after suspending deposits and withdrawals on Monday following a security incident. The Brazilian exchange valued the affected assets at around $38 million and said it had blocked $11 million in coordination with Tether, Circle, Paxos, BRL1, and Chainalysis. Hypernative, however, reported that more than $40 million had moved from wallets linked to the platform across at least 10 blockchains, including Bitcoin, Ethereum, Solana, and Tron. The transactions appeared to be ordinary signed transfers, although it remains unclear how the attacker obtained signing authority, and the exchange said no customer data had been leaked.
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