Binance's emergency fund, the Secure Asset Fund for Users (SAFU), now holds about 15,000 bitcoin, worth just under $1 billion. The fund was set up in 2018 to cover user losses from security breaches, now converted entirely to bitcoin.
Crypto exchanges have long been a favoured target for hackers, and several major platforms have lost user funds to attacks over the years. In response, Binance has since 2018 set aside a dedicated reserve earmarked for exactly such losses: the Secure Asset Fund for Users, or SAFU. The fund is a company-financed safety net, not a deposit guarantee from a public authority, and it is kept separate from Binance's ordinary operations.
SAFU has an informal origin. During unscheduled platform maintenance in 2018, Binance's then chief executive Changpeng Zhao tweeted "Funds are safe" to reassure users. A content creator known as Bizonacci soon after uploaded a video titled "Funds Are Safu", which spread quickly through the crypto community. Binance adopted the nickname and formalised it into its own fund the same year.
The fund was financed by Binance setting aside 10 percent of trading fees into a dedicated cold wallet (a wallet with no internet connection). SAFU functions as a last-resort safety net: if a security incident results in the loss of user funds, Binance can use the fund to compensate those affected. The money is held separately from operational accounts and is not used for day-to-day business expenses. According to Binance, the company has not reported a major breach of user funds since 2019, but the fund does not guarantee that losses can never occur — it is designed to reduce the impact if an extreme event does happen, as one layer within a broader security framework that also includes risk management, security audits and user-facing protective features.
SAFU has grown over time from a few million dollars to a substantial reserve, now worth around $1 billion. Its holdings were previously spread across several stablecoins, but Binance completed the conversion of the entire fund to bitcoin in February 2026, ahead of the original schedule. That gives SAFU a single, transparent reserve asset instead of a spread across several. The fund now holds about 15,000 bitcoin. Binance has committed to replenishing the reserve if the value of its bitcoin holdings drops below roughly $800 million, to keep the fund at a level meant to cover extreme scenarios.
SAFU is today held and managed by Nest Clearing and Custody Limited, a Recognised Clearing House regulated by the Financial Services Regulatory Authority under the Abu Dhabi Global Market (ADGM). Part of the fund's assets simultaneously serve as capital reserves, as part of Binance's regulatory obligations in the ADGM. SAFU is therefore not only a voluntary protective measure for users, but also partly tied to requirements from a financial regulator.
Sources: Binance, Cointelegraph
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