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By African360 News
Cryptocurrency exchange giant Binance is investigating a massive security breach involving approximately $6.3 billion in digital assets, in what could become the largest cryptocurrency theft in history.
The world’s largest cryptocurrency exchange by trading volume confirmed the incident on Friday, October 30, saying its preliminary investigation suggested that an attacker may have gained access through a compromised laptop belonging to a DevOps engineer.
According to Binance, the compromised device may have allowed the attacker to access a service container and submit unauthorised withdrawal transactions.
The company said it had found no evidence that cryptocurrency wallet private keys had been leaked. It also assured customers that their funds were safe and promised to cover all losses using its Secure Asset Fund for Users (SAFU) and company funds.
About $3 billion in assets frozen
Binance said it had worked with cryptocurrency partners to freeze approximately $3 billion of the affected assets on the blockchain.
Two major cryptocurrency companies, Tether and Circle, also confirmed that they had frozen funds connected to the incident.
Tether, which issues the USDT stablecoin, said it had frozen approximately $1.6 billion linked to the suspected attack.
Circle, the issuer of USDC, reported freezing more than $800 million in assets associated with the incident.
Other cryptocurrency platforms and token issuers also assisted with efforts to restrict the movement of affected funds.
Despite these actions, a substantial amount of the assets remains under the control of the attacker, according to blockchain investigators.
Binance suspends withdrawals
As an immediate security precaution, Binance temporarily suspended deposits and withdrawals while its technical teams investigated the incident and worked to secure its systems.
The company’s co-chief executive, Yi He, thanked cryptocurrency issuers and industry partners for helping to freeze the affected assets.
Binance also said it had revoked authorisation for the affected address and was working with law-enforcement agencies and blockchain intelligence firms to trace and recover the funds.
The company plans to publish a detailed technical report once its investigation is complete. It also intends to provide an updated proof of reserves after the security remediation process.
Binance.US, the separate platform serving American customers, said it was not affected by the incident.
North Korean hacking group suspected
Two blockchain intelligence firms, TRM Labs and Chainalysis, have linked the attack to TraderTraitor, a hacking group associated with North Korea.
TRM Labs said its assessment was based on similarities between the Binance incident and previous cyberattacks attributed to North Korean hackers, including the $1.5 billion theft from cryptocurrency exchange Bybit in February 2025.
Chainalysis also reported high confidence in the suspected North Korean connection.
However, Binance said it was working with law-enforcement partners to confirm the identities of those responsible. The attribution remains an assessment by blockchain intelligence companies rather than a publicly established criminal finding.
Cryptocurrency prices fall after incident
News of the security breach triggered concern across cryptocurrency markets, with Bitcoin, Ethereum and Solana recording significant price declines.
Bitcoin fell below $79,000 during Thursday’s trading, while Ethereum and other major digital assets also experienced losses.
The incident has renewed concerns about the security of centralised cryptocurrency exchanges, which hold large quantities of digital assets and process millions of transactions.
Binance, founded in 2017, has more than 300 million registered users worldwide, making the security of its systems particularly important to the global cryptocurrency industry.
A major test for cryptocurrency security
If the estimated losses are confirmed, the Binance incident would surpass the approximately $1.5 billion stolen from Bybit in 2025, setting a new record for cryptocurrency theft.
The attack has also highlighted the importance of protecting employee devices, internal systems and withdrawal authorisation processes, even when private wallet keys have not been compromised.
Although freezing billions of dollars in assets represents a significant recovery effort, investigators still face the challenge of tracking the remaining funds and identifying those responsible.
Binance has promised to cover all customer losses, but the incident is likely to intensify discussions about cybersecurity, exchange accountability and the protection of digital assets worldwide.
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