Binance’s SAFU Fund: Why the Secure Asset Fund Was…

Binance has completed the conversion of its customer protection reserve into Bitcoin, with the Secure Asset Fund for Users — SAFU — now holding roughly 15,000 BTC, a stake worth about $1.005 billion based on a Bitcoin price of approximately $67,000 at the time of the announcement. Disclosed by the exchange on 30 January 2026 and finished the following month, the shift means the fund's dollar value now moves in step with the very asset it is meant to shield users against.

The reserve was announced on 3 July 2018, when exchange security was under intense scrutiny following the Mt. Gox collapse in 2014 and the Coincheck breach in January 2018. Binance funded it by routing 10% of all trading fees collected on the platform into a dedicated wallet, so the pool grows with the exchange's volume rather than relying on outside capital. Its name nods to crypto meme culture: a 2018 satirical video by creator Bizonacci turned CEO Changpeng Zhao's "funds are safe" reassurance during an outage into "funds are SAFU", and Binance adopted the phrase for the real fund.

Shifting reserves

SAFU's composition has changed repeatedly. It began as a mix of Bitcoin, Binance Coin and Binance USD stablecoins and reached $1 billion in January 2022. Binance swapped BUSD for USDT and TUSD in March 2023, moved entirely into USDC in April 2024, and then announced in January 2026 that it would convert that roughly $1 billion stablecoin balance into Bitcoin.

The fund has been drawn on publicly only once. In May 2019, attackers used phishing, malware and stolen API keys to withdraw 7,000 BTC from Binance hot wallets — around $40 million at the time — and SAFU absorbed the full loss, leaving customer balances untouched while deposits and withdrawals were frozen for a week. Binance has not disclosed any further security-related deployments since, and the fund does not cover losses stemming from trading decisions or market moves.

Binance has committed to topping SAFU back up from its treasury whenever the reserve falls below $800 million, and the wallet is visible on-chain so holdings can be verified independently. The pool sits outside any regulatory framework and is not comparable to FDIC deposit insurance, though similar schemes have appeared at peers, including OKX's Risk Shield and Bitget's Protection Fund. Bybit's February 2025 breach, which cost about $1.46 billion, was covered through treasury resources and emergency loans rather than a dedicated reserve.