Mercado Bitcoin hot wallets drained in a hack worth tens of millions; the exchange is offline and says customers will not lose assets · updates

Mercado Bitcoin hot wallets drained in a hack worth tens of millions; the exchange is offline and says customers will not lose assets: Crypto Times reports that Mercado Bitcoin now puts the affected assets at about $36.3M with $12.9M blocked, and is preparing to restore platform access gradually as each function passes security checks, with no confirmed date.

Wed, 04 Nov 2026 00:00:00 GMT

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Mercado Bitcoin hot wallets drained in a hack worth tens of millions; the exchange is offline and says customers will not lose assets: Arkham reports that wallets linked to the attacker moved about $13.26M to 23 outside addresses and swapped stolen tokens for about $10.55M of ETH (4,605 ETH over 338 swaps), while a $650K bridge to Bitcoin through Bridgers appears to have been halted.

Wed, 04 Nov 2026 00:00:00 GMT

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Mercado Bitcoin hot wallets drained in a hack worth tens of millions; the exchange is offline and says customers will not lose assets: Mercado Bitcoin says on X that the platform will start coming back gradually via its website from Monday, Nov 9, and repeats that no customer will lose assets.

Wed, 04 Nov 2026 00:00:00 GMT

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Mercado Bitcoin hot wallets drained in a hack worth tens of millions; the exchange is offline and says customers will not lose assets: Bitquery's on-chain investigation puts the haul at $48.6M across 10 blockchains, says the attacker could sign for customer deposit addresses and emptied 36,042 of them on Ethereum for about four hours after the exchange said the attack was contained, and counts $11.8M frozen by stablecoin issuers. It also finds the same address took about $391K, mostly from wallets tied to the BitMart exchange, starting 53 minutes before the Mercado Bitcoin drain.

Wed, 04 Nov 2026 00:00:00 GMT

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Mercado Bitcoin hot wallets drained in a hack worth tens of millions; the exchange is offline and says customers will not lose assets: BitMart founder Sheldon Xia confirms on X that BitMart was also hacked on Nov 2, calls the amount small, says the attackers may be the same ones who hit Mercado Bitcoin, and says BitMart's security team is severely understaffed.

Wed, 04 Nov 2026 00:00:00 GMT

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Mercado Bitcoin hot wallets drained in a hack worth tens of millions; the exchange is offline and says customers will not lose assets: Mercado Bitcoin says it quickly identified and contained a security incident in one of its systems overnight, that customers suffered no losses and no data leaked, and that deposits and withdrawals are temporarily suspended as a precaution.

Mon, 02 Nov 2026 00:00:00 GMT

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Mercado Bitcoin hot wallets drained in a hack worth tens of millions; the exchange is offline and says customers will not lose assets: Chainalysis says an attacker moved assets across 17 blockchains in waves, draining an estimated $49M, mostly Bitcoin and Ethereum, and that it helped law enforcement and stablecoin issuers freeze nearly $10M, including more than $4M of USDT frozen by Tether.

Mon, 02 Nov 2026 00:00:00 GMT

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Mercado Bitcoin hot wallets drained in a hack worth tens of millions; the exchange is offline and says customers will not lose assets: In its evening update Mercado Bitcoin guarantees customers will not lose assets, says only its hot wallets were hit and the platform was taken offline, and puts the amount blocked at about US$11M with about US$38M not yet blocked. It warns it never asks for passwords, codes or recovery phrases and offers no refunds by link, WhatsApp or phone.

Mon, 02 Nov 2026 00:00:00 GMT

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