What happened
Zhao, who stepped down as Binance CEO in 2023 but remains the exchange's largest shareholder, posted the thank-you to X at 05:19 UTC on November 2. He singled out the Secret Service and unnamed federal investigators for moving quickly enough to freeze a share of the stolen crypto before it could be laundered through mixers or cross-chain bridges, per Crypto. News.
The post follows last week's breach, in which attackers drained more than $6 billion in digital assets from Binance in what on-chain researchers have called the largest exchange hack ever recorded. Neither Zhao nor Binance has disclosed the exact dollar value of the frozen funds, the wallet addresses involved, or whether the stolen assets were primarily BTC, ETH, stablecoins, or a mix.
Binance has not confirmed whether the hot wallet, cold storage, or an internal signing process was the point of failure. The Secret Service, which runs the federal Cyber Fraud Task Force network and has grown its crypto-tracing capacity since the 2022 Bitfinex case, has not issued a public statement.
Why it matters
A $6 billion exchange hack is a structural event, not a routine security incident. For context, the 2014 Mt. Gox collapse involved roughly $450 million in BTC at the time, and the 2016 Bitfinex breach was around $72 million.
Even adjusted for today's prices, this breach is on another scale. Zhao's decision to publicly credit U. S.