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Mercado Bitcoin Will Shoulder $40 Million Loss After Hot-Wallet Hack

Published Nov 2, 2026
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Summary:
  • Mercado Bitcoin says it will take a $40 million loss from a Monday hot-wallet breach, and it does not expect any customer losses.
  • The broker says the attack was contained quickly, no customer data leaked, and app access was paused while it tracks assets and coordinates with authorities and partners.
  • A few days before, an incident at Binance - linked to North Korean hackers - marked a record $6.4 billion exploit initially spotted on Thursday evening; by Monday morning in London, net withdrawals had reached $4.7 billion.

What happened at Mercado Bitcoin

The Brazilian crypto broker said hackers hit its hot wallets on Monday, but the incident was brought under control quickly. As a safety step, the company briefly shut off access to the Mercado Bitcoin app, adding that no customer data was disclosed.

The company plans to absorb a $40 million loss and does not expect customers to be out of pocket. It is investigating, tracing the assets involved, and working with authorities and relevant partners.

The wider wave of attacks and Binance

The Mercado Bitcoin incident followed closely on the heels of an assault on Binance attributed to North Korean hackers, a record $6.4 billion exploit that was first spotted on Thursday evening. By Monday morning in London, net withdrawals from Binance reached $4.7 billion, according to a company spokesperson.

Binance froze withdrawals after the exploit, then restored them on Sunday. The company said it would make customers whole and had fixed roughly 95% of the total as of Sunday.

Security setbacks remind investors that staying informed can sharpen long term decision making. We're hosting our first ever investor livestream on 11/17 to show you how to use ChatGPT and Claude to invest like a pro, hosted by Briefs Finance CEO Jaspreet Singh. Save your seat.

What this means for your portfolio

For now, Mercado Bitcoin says clients should not face losses, while the probe and asset tracing continue. Binance, meanwhile, emphasized it would make customers whole and moved to reopen withdrawals quickly.

New risks underscore why learning to use better tools pays off for investors. On 11/17, our CEO Jaspreet Singh goes live for our first ever investor livestream on how to use ChatGPT and Claude to invest like a pro. Register to join him.

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