Coinbase Lays Out Hot Wallet Controls as Customers Ask if a Binance-Style Hack Could Hit It

Coinbase detailed its hot wallet security controls after customers questioned whether the Oct. 29 Binance breach could occur on its platform. The exchange said signing keys are never reassembled in one place, hot wallets are refilled under strict caps, and keys can be pulled offline via switches. The disclosure follows Binance's breach, which underscored custody risk at centralized exchanges. Coinbase is leaning on its key-sharding and refill-limit design to argue that a single compromised key cannot drain reserves. Customers and analysts will now watch whether these controls hold up under stress and whether rivals publish comparable safeguards.