The Secure Asset Fund for Users (SAFU) is an emergency fund that was established by Binance in July 2018 to protect users' funds. When the fund was established, Binance committed a percentage of trading fees in order to grow it to a sizable level to safeguard users.
The Secure Asset Fund was valued at US$1 billion based on the opening price on January 29, 2022. The value of the fund will fluctuate based on the market. As of April 2024, the SAFU fund wallet comprises of 1 billion USDC.
During unscheduled maintenance, Changpeng Zhao (CZ), former Binance CEO, tweeted out to users stating:
Funds are safe
After this, the phrase "Funds are safe" became regularly used by CZ to ensure users were aware that their funds were, in fact, safe.