A $6.3 billion breach, then a new CFO: what Binance's handover signals

Binance announced on November 7 that Chief Financial Officer Kaiser Ng is leaving after more than five years to pursue a new venture. Justin Yek, most recently vice-president of finance at Airwallex, will succeed him. Co-CEO Yi He said a transition plan had been implemented over the last half year.

The announcement came just over a week after Binance disclosed a breach in which hackers stole approximately $6.3 billion in digital assets — a record heist. The attack unfolded on October 29 and began months earlier with malware hidden in software downloads and fake job recruitment efforts targeting engineers. The FBI blamed a North Korean hacking group; Pyongyang denies involvement.

Binance said it will fully reimburse affected customers. It covered about 90% of the losses within roughly two days, later reported at about 95%, using company funds to buy replacement tokens. The remainder sits in less-liquid assets. Net outflows in the single day following the incident reached $4.9 billion. After withdrawals reopened, customers pulled a net $3.6 billion in the first few hours.

The succession itself is routine. But Binance holds customer funds, so who runs its finances matters to anyone with money on the platform. A record theft followed by a CFO handover tests customer confidence at the same time the exchange is rebuilding reserves and absorbing heavy outflows.

The timing makes the succession a trust signal, not just an org-chart change. Binance says the transition was planned over the last half year. What matters now is whether the finance function under Yek can steady reserves and reassure customers — and whether the remaining 5% of losses in less-liquid assets can be sourced without further strain.