Bitcoin briefly fell to about $76,300 after Binance confirmed a security breach that the exchange estimates caused an overall impact of roughly $6.3 billion. The incident has triggered an emergency response involving frozen assets, suspended transactions and commitments from Binance to cover user losses.
Bitcoin had climbed as high as $81,890 over the previous 24 hours before the selloff. The decline also coincided with the liquidation of millions of dollars in leveraged long positions, adding to the pressure on the market. Bitcoin later traded near $77,800, according to the source material.
Binance links breach to compromised employee laptop
According to Bitcoin Magazine, Binance’s initial investigation points to a compromised laptop used by a DevOps engineer. The attacker allegedly used access to a service container to submit unauthorized withdrawal transactions.
Binance said it had found no evidence that wallet private keys were exposed. Private keys are the credentials that control cryptocurrency held in a wallet, so the exchange’s statement distinguishes the suspected method of attack from a direct theft of those keys.
The exchange initially faced scrutiny after a user identified suspicious transfers of more than $2.7 billion in assets from a Binance wallet to an external address. The assets reportedly included ether as well as stablecoins issued by Tether and Circle. A stablecoin is a crypto asset designed to maintain a relatively stable value, often by tracking a reference currency such as the US dollar.
Binance’s latest estimate of approximately $6.3 billion is higher than earlier figures, which had ranged from $2.7 billion to $5.8 billion. The company has not yet published a complete technical account of how the incident unfolded. It said a detailed post-mortem would be released after the investigation is finished and the facts have been verified.
Assets frozen as trading operations remain restricted
Binance said it has worked with blockchain companies to stop the movement of affected assets. About $3 billion had been frozen on-chain at the time of its statement. Tether chief executive Paolo Ardoino said Tether had frozen more than $1.567 billion in USDT connected to the suspected attacker. Circle also froze USDC associated with the address.
Aave reportedly froze lending markets to prevent the suspected attacker from using the assets as collateral to borrow additional funds. These actions illustrate how issuers, exchanges and decentralised-finance platforms can intervene at the blockchain or application level when suspicious transactions are identified.
Binance has suspended deposits and withdrawals while it performs security checks, continues efforts to freeze assets and cooperates with law-enforcement authorities. It said the affected address authorization had been revoked and that it was working to establish the identities of those responsible.
The exchange has not provided a timetable for restoring all services or publishing its full post-mortem. It has asked users to follow official Binance channels for further information. Binance.US said the incident did not affect its platform.
Binance promises to cover user losses
Binance said customer funds were safe and that it would cover all losses using its Secure Asset Fund for Users, known as SAFU, together with company funds. Co-founder Yi He also said users would not bear the losses. Former chief executive Changpeng Zhao, who said he no longer manages Binance.com but remains a shareholder, likewise wrote that user funds were safe and praised Tether and Circle for quickly freezing assets.
The company also said it would publish an updated proof of reserves after remediation is complete. A proof of reserves is a disclosure intended to show the digital assets held by an exchange against its customer obligations, although the source material does not provide details of the planned update.
The reported size of the incident makes it significant for the wider cryptocurrency market, not only because of the amount involved but also because the response spans a centralised exchange, stablecoin issuers and decentralised-finance services. Until Binance completes its investigation, the precise mechanism and final financial impact remain subject to confirmation.
Moneyiar market picture
Moneyiar data recorded at 22:39 on October 25, 2026, showed Bitcoin at $80,430.51, down 0.08% over 24 hours and 1.32% over seven days. BNB was $740.86, up 0.81% over 24 hours and 3.32% over seven days.
Aptos stood at $0.7038, down 0.81% over 24 hours and 7.92% over seven days. Compound traded at $21.13, down 10.42% over 24 hours and up 0.30% over seven days. These figures are Moneyiar market data at the stated time and precede the price movements described after Binance’s announcement.
