Binance Says CFO Succession Plan Predates $6.3 Billion Hack

Binance co-CEO Yi He said the exchange's chief financial officer transition was planned and implemented over the prior half year, placing the succession process months before the Oct. 29 hot-wallet breach that the company initially estimated caused about $6.3 billion in token losses.

The statement addresses the awkward optics of a C-suite departure announced days after one of the largest exploits on record. Kaiser Ng is leaving after more than five years with Binance. Justin Yek, who previously led strategic finance and corporate development at payments firm Airwallex, will succeed him as CFO, according to Yi He's account. Binance has not provided dates for Ng's departure or Yek's first day.

What did Yi He actually say?

Yi He said the transition plan had been implemented over the prior six months — a timeline that predates the breach by roughly half a year. Her statement, reported after TokenPost covered Ng's departure and Yek's appointment, supplied the succession timeline that earlier reports lacked.

The co-CEO's framing matters commercially. A CFO exit immediately following a multi-billion-dollar incident would normally invite questions about internal accountability or disagreement over the response. Dating the plan to before the incident cuts against that reading, though Binance has offered no independent documentation of the timeline.

How big was the breach?

The numbers Binance has released describe separate measures, and the company itself flags the distinction. Key figures as of Tuesday, Nov. 3:

• Hot wallets compromised at 4:05 p.m. ET (20:05 UTC) on Oct. 29
• Initial loss estimate: about $6.3 billion in tokens
• Affected virtual assets: about $6.34 billion
• Frozen or intercepted: about $2.85 billion
• Replenished: 98% of affected token assets

The affected-asset total, the frozen amount and the replenishment rate are distinct metrics. They do not establish a final net loss, and Binance has not published one. The company said its investigation remains ongoing.

What are the operational consequences?

Binance said it had restored 98% of affected token assets as of Nov. 3 and would absorb the financial impact itself. For an exchange that has built its brand on the strength of its treasury and its SAFU emergency fund, absorbing a hit of this scale — whatever the final net figure turns out to be — is a balance-sheet commitment, not a marketing one.

The CFO change adds a leadership variable to that recovery. Yek arrives from Airwallex, a cross-border payments company, with a background in strategic finance rather than crypto-native treasury work. He inherits the fiscal oversight of the replenishment effort and the closing accounting of the incident.

Ng, for his part, exits after more than five years — a long tenure by crypto-exchange standards — without a stated departure date or a named next role.

What comes next?

Watch for two things: the final net-loss figure once Binance's investigation concludes, and whether the exchange discloses any external audit of the replenishment claims. Until then, the $6.34 billion affected-asset total stands as the company's official measure, with $2.85 billion frozen and the succession calendar still undated.