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Odaily reports: Brazil's largest cryptocurrency exchange Mercado Bitcoin stated that the security incident on November 2 did not cause any loss of customer assets, with customer assets guaranteed by the platform. The platform said the incident involved approximately $38 million in assets, and that $11 million has been frozen in cooperation with the crypto community and partners.Estimates of the loss amount vary across different institutions: Hypernative detected over $40 million in suspicious transfers, Arkham traced at least $46 million, and Chainalysis estimated approximately $49 million, of which nearly $10 million was frozen. Tether froze more than $4.5 million in USDT related to the incident.Mercado Bitcoin stated that no customer fund losses or data breaches have been found, but it has not yet explained how attackers gained access. The platform currently remains suspended for deposits and withdrawals, with no set timeline for resumption, and will restore services once security conditions are fully recovered. (Decrypt)
Mercado Bitcoin stated that customer asset balances remain recorded in their respective accounts, with assets affected by the incident currently totaling approximately $36.3 million. Of this amount, $12.9 million have been successfully frozen, and tracking and freezing operations continue.
Ki Young Ju, founder of CryptoQuant, posted on X that Bitcoin has demonstrated resilience following the largest hack in the history of the crypto industry. He noted that after the exchange pledged to cover all losses, the market behaved as if nothing had happened.
Arkham monitoring shows that the Mercado Bitcoin hacker address has cumulatively transferred approximately $8 million worth of ETH to a new wallet.
According to Kommersant, police in Ivanovo, Russia, have arrested five men suspected of kidnapping, robbery, and cryptocurrency theft. The suspects identified their target, a programmer in his twenties, by tracking his luxury cars and overseas travel photos on social media. On September 6, they abducted him to a garage, assaulted and threatened him, stole 1 million rubles in cash along with an iPhone and MacBook, and transferred approximately 10.4 BTC from his crypto wallet to an unknown address, resulting in total losses exceeding 84 million rubles. Following the incident, the victim was abandoned in a wooded area. Police stated that local networks were disrupted due to drone strikes, forcing the suspects to use regular phones, which allowed investigators to intercept their calls and carry out the arrests. All five suspects have prior felony records, and part of the stolen proceeds has been used to purchase real estate and vehicles; they now face up to 15 years in prison.
Odaily reports: Analyst Murphy stated that since Binance gradually restored withdrawal functions on November 1, the platform has seen a wave of fund withdrawals. On-chain data shows that Binance's BTC balance has dropped from 732,000 coins to 711,000 coins, a cumulative decrease of 21,064 coins. However, compared to the platform's original BTC reserves, the outflow scale is still less than 3%, and the overall impact is relatively limited.Murphy believes that for ordinary users with limited technical capabilities, self-custody wallets also carry risks such as private key loss and asset theft, and these risks may not necessarily be lower than keeping assets on large exchanges. By comparison, diversifying some assets across different exchanges may be an option for risk distribution.He also pointed out that Binance's current on-chain asset reserves still amount to approximately $139.7 billion, of which BTC and USDT together account for nearly 60%, BNB accounts for 18%, and ETH accounts for 6%.
According to a post by Lookonchain, the exchange Mercado Bitcoin was hacked, with losses exceeding $46 million. More than $9 million of the stolen assets have been frozen. The hacker still holds the following altcoins, which may face selling pressure: 372.99 billion PEPE, worth $1.79 million; 12,820 AAVE, worth $1.61 million; 769,950 PENDLE, worth $1.35 million; 29,830 EVA, worth $1.26 million; 1.98 million VIRTUAL, worth $1.15 million; 147,840 UNI, worth $1.04 million; 2.67 million ONDO, worth $1.03 million.
Chainalysis estimates that the Mercado Bitcoin security incident involved 17 blockchains, with approximately $49 million in assets stolen.
On-chain transactions show that the address involved in the Mercado Bitcoin security incident transferred approximately 428,000 SNX to the Synthetix Protocol DAO.
Matthew Sigel, head of digital asset research at VanEck, said he heard that the Citi Institutional Bitcoin custody service was originally scheduled to launch last week, and speculated that the Binance hack may have affected the announcement timeline.
Mercado Bitcoin stated that the security incident involves approximately $38 million in assets, with $11 million already frozen in coordination with partners, and other freezeable funds have been identified.
Odaily reports: Cory Klippsten, founder of Swan Bitcoin, said that AI poses a more immediate near-term threat to Bitcoin's security compared with quantum computing. He noted that hackers are using large language models to probe for security vulnerabilities, and a small number of prompts can help attackers identify problems.Klippsten believes that quantum computers capable of threatening Bitcoin's cryptography are at least a decade away, by which time the network could deploy quantum-resistant protections. He said that rushing to implement such solutions now would add unnecessary complexity.Brazilian crypto exchange Mercado Bitcoin suspended deposits and withdrawals on Monday due to a security incident, and researchers estimate that more than $46 million flowed out of its wallets. Days earlier, Binance suffered a $6.3 billion hack on October 29, which the U.S. Federal Bureau of Investigation (FBI) attributed to North Korean hackers. (Cointelegraph)
Cory Klippsten, founder of Swan Bitcoin, believes that the risk of hackers using large language models to detect security vulnerabilities is more imminent than the threat of quantum computing.
According to Bitcoin News, Binance saw a net outflow of $15.4 billion over the past 7 days, including $3.4 billion in the past 24 hours. Binance currently still holds approximately $124.4 billion in assets. This outflow follows the $6.3 billion hack incident.
Odaily — The costs incurred by cryptocurrency exchange Binance from fines and hack-related losses are estimated at approximately $10.7 billion, equivalent to about 56% of its estimated pre-tax profit from 2021 to 2025. Vetle Lunde, Head of Research at K33 Research, estimates that Binance's pre-tax profit over the same period was approximately $19.2 billion.Known fines total approximately $4.34 billion, including the $4.32 billion U.S. criminal settlement Binance agreed to pay in 2023; Binance's local business units in other countries were separately fined about $20 million. Hack-related losses amount to approximately $6.38 billion, including $6.34 billion reserved for recent incidents and 7,000 BTC stolen in 2019.In the recent hack incident, approximately $3 billion in stolen crypto assets have been frozen, and the amount Binance will ultimately be able to recover remains unclear. Binance says it has covered about 95% of the affected assets, and withdrawals have recovered and stabilized after an initial surge; its tracked assets have fallen more than 11% since October 29 to approximately $128.3 billion. (Bitcoin.com News)
Mercado Bitcoin announced that the address involved in the security incident has transferred 2,800 ETH to another address, with the on-chain transaction successfully completed.
$5.55 million worth of assets in addresses linked to the Mercado Bitcoin hacker have been frozen.
Odaily reports: Brazilian exchange Mercado Bitcoin stated that a security incident caused over $46 million in cryptocurrency to be transferred out of its wallets on Monday. Several hours after the company suspended deposits and withdrawals, funds were still being moved from addresses linked to the incident, and thousands of small ETH transfers were subsequently sent to the same address. Security firms said the attack was carried out through regular transfers rather than a smart contract exploit.As of 16:42 UTC, stablecoin issuers Tether and Circle had frozen approximately $6.2 million in stolen funds; about $20 million was moved to newly created wallets, while another over $20 million remained in addresses identified by Mercado Bitcoin as related, including all 106 BTC. A Mercado Bitcoin spokesperson said customers suffered no losses and no data was leaked; the incident is still under investigation and has not yet been attributed to an organized group. (Cointelegraph)
According to Onchain Lens, Mercado Bitcoin has been hacked. An attacker currently holds $46.5 million worth of crypto assets across 46 addresses, including 3,680 ETH, 106 BTC, and $8 million in stablecoins. Mercado Bitcoin stated that customer funds and data were not affected.
Arkham monitoring shows that its flagged Mercado Bitcoin hacker entity holds approximately $46 million in crypto assets, including $8.37 million worth of ETH and $8.24 million worth of BTC.