Mercado Bitcoin Begins View-Only Reopening After $49M Hack

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Mercado Bitcoin resumes view-only access after a major exchange hack that drained $49 million across 17 blockchains. The on-chain news shows the breach occurred on Nov. 2, with balances frozen until security checks complete. Users can now see pre-incident holdings on the website and app. Pix deposits may return next, followed by trading and crypto transfers. All transactions remain paused for now.

Brazilian crypto exchange Mercado Bitcoin said it began restoring view-only account access on Monday, Nov. 9, a week after a security breach. Deposits, withdrawals, transfers and trading remain suspended.

“Start of the gradual resumption and balance viewing,” the exchange wrote on X, translated from Portuguese. Its incident update says access is being released gradually, with detailed holdings available on the website and a portfolio summary in the app.

https://x.com/i/status/2119782411093618923

The reopening follows the view-only plan announced Nov. 4. Chainalysis, which helped trace the stolen funds, estimated that the Nov. 2 attack drained about $49 million across 17 blockchains.

The displayed crypto balances and their values in Brazilian reais reflect the pre-incident position on Nov. 2, the exchange says. Those valuations will update when trading resumes, rather than track market prices during the shutdown.

Payments Before Trading

The exchange's roadmap puts Pix deposits and withdrawals, along with credits for payments from digital fixed-income investments, in the next phase, described as coming “next week.” Pix withdrawals will initially be limited to accounts in the customer's own name; deposits may come from accounts held by others.

Before moving funds again, customers will have to confirm their registration details and set new passwords through the app. Trading and crypto transfers will return in later phases as modules clear security checks. The exchange gives no dates for those services, and its status page continues to mark deposits and withdrawals as suspended.

Replacing Stolen Assets

Mercado Bitcoin says customer balance records remain intact and it is already replacing assets taken from its wallets using company funds. In its Nov. 4 update, the exchange said its trading desk was preparing repurchases in domestic and international markets.

Its current incident page reports more than $16 million in blocked assets and says efforts to recover more are continuing. That figure describes assets blocked, not a completed repayment to the exchange.

Open limit orders were canceled when the platform went offline on Nov. 2, Mercado Bitcoin says. Customers will need to submit new orders when trading reopens.

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