Binance Halts Withdrawals After Suspected Billion-Dollar Hack

“Rest assured that user funds are completely safe,” Binance said in an emailed statement to TechCrunch, as the world’s largest cryptocurrency exchange investigated a major security incident involving drained hot wallets.

Binance Hot Wallets Drained in Security Incident

Binance confirmed to TechCrunch that it is dealing with a security incident after users reported that funds were being drained from the platform’s internet-connected wallets. The company stated that it is aware of reports regarding a potential security issue and is actively reviewing all relevant information with urgency. Binance spokesperson Ross O’Leary told TechCrunch that the exchange temporarily suspended withdrawals on multiple networks as a precautionary measure.

Independent crypto data providers and market analysts have offered varying estimates regarding the scale of the exploit. Crypto data provider Arkham Intelligence linked nearly $6 billion in digital assets—including bitcoin, ether, solana, and various stablecoins—to 55 wallet addresses tied to the potential exploit. Meanwhile, crypto watchers and traders estimated losses ranging from $1.7 billion to $5.7 billion, though the exchange has not confirmed these numbers, and analysts note the theft may still be ongoing, as reported by TechCrunch and Axios.

Changpeng Zhao and Industry Executives Respond to the Suspected Hack

Hours before the official exchange statement, Binance founder Changpeng Zhao posted on X that the company had likely been hacked and that he expects user funds to be fully covered, although he provided no explanation for that claim. Zhao no longer runs the company but remains its largest shareholder. Kevin March, co-founder of trading firm JPEG Trading, described the situation by stating, “This is unprecedented.” March added that Binance’s large size makes it more insulated than smaller exchanges, noting that the company is capable of covering potential losses through its insurance and balance sheet.

Other major cryptocurrency firms moved quickly to mitigate the impact of the breach. Circle Internet Group and Tether froze more than $2.5 billion in funds tied to the incident. Circle CEO Jeremy Allaire stated on social media that his company froze more than $800 million in USD Coin, while Tether CEO Paolo Ardoino announced that his firm froze over $1.5 billion in USDT. Binance co-founder Yi He stated that Ripple helped halt the movement of $200 million linked to the attack. Following the news, bitcoin dropped more than 3% to break below $80,000, while ether fell nearly 4% and solana shed about 3%, according to SOURCE 3.

Polymarket Halts Trading After Third-Party Software Compromise

In a seemingly separate incident on Thursday, prediction market giant Polymarket briefly halted trading and paused withdrawals after a third-party company was compromised. According to security researchers, hackers made off with around $2 million in user funds after attacking a software piece developed by DebugBear, a website monitoring tool that confirmed it was responding to its own security incident.

A man holds a microphone with a Bitcoin logo on it and waves his arm as he speaks
Photo: Axios

The suspected Binance breach dwarfs previous cyber thefts in the digital asset sector. If confirmed in the billions, the incident will surpass the 2025 record breach of the Bybit exchange, where hackers stole between $1.4 billion and $1.5 billion in funds attributed by sources to North Korea-linked actors.

Frequently Asked Questions About the Binance Security Incident

How much money was actually stolen from Binance?

The exact total remains unconfirmed by the exchange. Crypto analysts and blockchain tracking firms estimate total losses between $1.7 billion and $5.7 billion, while companies including Tether and Circle have successfully frozen over $2.5 billion in associated funds.

Who is responsible for the breach?

Binance has not identified who is behind the hack, and the exchange has not reported receiving any direct correspondence from the attackers. Investigations by security teams and blockchain analysts remain ongoing.

Are customer withdrawals working normally?

Binance temporarily suspended withdrawals on multiple networks as a precautionary security measure following the incident. Company representatives have urged users to remain cautious of scams and avoid unofficial links or requests for account information.