What changed: BitMart confirmed a security breach on November 2, 2024; preliminary investigations point to the group that attacked Mercado Bitcoin.
BitMart confirmed a security breach on November 2, with investigations linking the incident to the same group responsible for the recent attack on Brazil's Mercado Bitcoin.
Read the full storyDeposits, withdrawals and trading remain suspended at Mercado Bitcoin, with no set date for operations to resume and a company pledge to cover users’ losses. Analytics firms’ estimates of transfers and stolen funds range from $48.6 million to $49 million, while the platform’s latest update put affected assets at $36.3 million and reported $12.9 million blocked. Efforts to trace and freeze funds continue in coordination with authorities and industry partners. In the latest development, BitMart confirmed a security breach, with preliminary investigations pointing to the same group that targeted Mercado Bitcoin.
What changed: BitMart confirmed a security breach on November 2, 2024; preliminary investigations point to the group that attacked Mercado Bitcoin.
BitMart confirmed a security breach on November 2, with investigations linking the incident to the same group responsible for the recent attack on Brazil's Mercado Bitcoin.
What changed: Bitquery tracked $48.6 million in transfers from Mercado Bitcoin, while the company estimated affected assets at $36.3 million and blocked $12.9 million.
The company estimated affected assets at about $36.3 million in its latest update and pledged to cover user losses, while the platform’s resumption date remained undetermined.
What changed: Chainalysis estimated funds stolen from Mercado Bitcoin at $49 million across 17 networks; the platform suspended deposits, withdrawals and trading after the incident.
The platform halted deposits, withdrawals and trading after the Nov. 2 incident, saying partners helped block about $12.9 million in assets and customer balances remain intact.
What changed: Mercado Bitcoin said it had blocked about $11 million, while about $38 million remained unblocked.
Estimates of outflows range from $48.6 million to $49 million, while the company said it blocked about $11 million and guaranteed customers would not lose assets.
What changed: The platform said it had frozen about $11 million with its partners’ help and confirmed that customers would not lose their assets.
The platform suspended access as a precaution after its hot wallets were compromised, and said customers would not lose assets and about $11 million had been frozen by the evening of November 2.
What changed: Chainalysis said response efforts froze nearly $10 million in stolen funds, including over $9 million through coordination with Tether.
Chainalysis estimated the losses at about $49 million, while Bitquery tracked transfers worth $48.5 million; coordination with law enforcement and industry partners helped freeze stolen funds.
What changed: Arkham estimated incident-linked assets at $46.3 million, while Chainalysis said Tether froze over $9 million in stolen funds.
Analytics firms offered similar estimates of stolen assets, while Chainalysis said Tether had frozen more than $9 million as tracking continued.
What changed: The hacker moved $8 million in Ethereum to new wallets; the exchange pledged to cover estimated $38 million customer losses and reported $11 million frozen.
The transfers coincided with estimates that up to $49 million in assets had been stolen. The exchange said it would cover customer losses, and $11 million had been frozen.
What changed: Tether’s founder confirmed freezing $4.5 million in USDT linked to the hack, while Bitquery tracked $19.5 million moving to ten new Ethereum wallets.
The platform suspended deposits and withdrawals as a precaution, saying it contained the incident quickly and customers would not be affected, while the investigation and asset-tracking continue in coordination with authorities.
What changed: Mercado Bitcoin confirmed the cyberattack, while blockchain security firms’ estimate of outflows exceeding $46 million remained unconfirmed by the company.
Brazil's largest crypto exchange confirmed a security breach after blockchain monitors detected $46 million in unauthorized transfers late Sunday night.
What changed: Mercado Bitcoin announced $11.2 million frozen and about $38 million still linked to the incident, pledging to cover losses of approximately $40 million.
The platform says it has suspended access to its services and is coordinating with issuers and recovery partners, while Chainalysis estimates about $49 million was stolen across 17 chains.
What changed: Hypernative detected the first suspicious records at 02:15 UTC on November 2, and Mercado Bitcoin gave no date for resuming deposits and withdrawals.
Hypernative estimated the potential transfers, while the platform said customers suffered no losses and that it is investigating and tracing assets in coordination with authorities.
What changed: Tether froze more than 4.5 million USDT linked to the attack on Mercado Bitcoin.
Brazil's largest exchange confirmed Bitcoin and Ethereum networks were hit in the multi-chain attack as total stolen assets rose to $46 million amid ongoing service suspension.
What changed: Hypernative detected suspicious transfers exceeding $40 million and cautioned that balances in linked addresses do not prove theft from Mercado Bitcoin.
The addresses linked to the movements include balances of XLM, ETH and BTC, but the report warns that their presence there does not prove they were stolen from the platform.
What changed: The initial report said the hack affected wallets across 10 networks; the platform said it quickly contained the incident and no customer data leaked.
The Brazilian platform temporarily suspended deposits and withdrawals after suspicious transfers, saying the incident was quickly contained and customer data was not leaked.
What changed: The report linked the deposit and withdrawal freeze to suspicious transfers exceeding $40 million.
Brazil's largest crypto exchange halted all activities on November 2, 2026, following the detection of unauthorized multi-chain outflows flagged by security firms.