According to @kwok_phil, traders should never import a cold wallet seed phrase into a hot wallet; this commonly overlooked practice is extremely important, and the seed should remain offline to protect funds used for trading and investment, source: @kwok_phil on X, Oct 18, 2025. By keeping cold storage separate from hot wallets, portfolio capital stays protected from online exposure during trade execution, supporting risk controls and avoiding catastrophic key reuse mistakes, source: @kwok_phil on X, Oct 18, 2025.

According to Crypto Rover, the cryptocurrency exchange BigONE has reportedly suffered a major security breach, resulting in a loss of $27 million. The source indicates that the hack specifically targeted the exchange's hot wallet. For traders, this incident highlights the significant security risks associated with holding assets on centralized exchanges and could potentially impact user confidence and trigger increased withdrawal activity from the platform. This event serves as a critical reminder of the importance of robust security measures and the potential for market volatility following such breaches.