Binance, the world’s largest cryptocurrency exchange, recently experienced the largest hack in crypto history, with about $6.3 billion in client assets affected. The breach, disclosed on October 30, 2026, involved hackers accessing Binance’s withdrawal systems and moving funds from the exchange’s crypto wallets. While roughly $3 billion of the stolen assets have been frozen on blockchains, limiting hackers' ability to cash out, the investigation into the full extent of the breach continues. Binance reported no evidence that private wallet keys were compromised, and the company has pledged to cover customer losses.

Binance has deployed its Secure Asset Fund for Users (SAFU), an emergency reserve of about $1 billion, along with additional company funds exceeding $6.3 billion to protect customers. This significant response illustrates the potential buffering power exchanges may have after major attacks, contrasting with other historic hacks where customer assets were largely lost or tied up for extended periods. Compared to prior well-known crypto thefts like the Bybit hack in 2025, which involved $1.5 billion, the Binance hack is unprecedented in scale—almost four times larger and nearly double the total funds stolen globally in 2025.

Such hacks underscore the risks investors face when storing crypto on exchanges, which, despite ease of access and trading, depend heavily on the exchange’s security and its willingness or ability to reimburse customers. Experts advise users to research exchanges thoroughly, examining terms of service, custody arrangements, regulatory status, and protections like insurance or emergency funds. However, even strong assurances are not guarantees, as the case of the FTX collapse showed where customer funds were misappropriated despite claims of ownership protections.

Investors seeking safer options can consider self-custody wallets, where they control private keys directly, avoiding exchange vulnerabilities but accepting responsibility for safeguarding access credentials. The choice between holding assets on an exchange or managing them independently involves a trade-off between convenience and control. Many experts recommend a hybrid approach: keep only active trading assets on exchanges while securing longer-term investments in personal wallets, always coupled with awareness of associated risks and security practices.