Due to the recent crash of centralized exchanges in the crypto world, investors are now begining to understand the phrase that says "Not your keys, not your crypto".
When bear market started, we experience the crash of Luna and Ust, investors lost billions of dollars. Centralized exchanges like Celsius went bankrupt. The recent one that happened with FTX exchange and their coin FTT which went very down as investors started removing their money.
Investors have started to considering the important of hardware/cold wallet. It was recorded that the sales of Trezor(on of the best hardware wallet) increased by 300%. You can see the demand has increased, investors no longer trust centralized exchanges and hot wallet because anything can happen.
With hardware/cold wallet, your crypto is save, as long you did not disclose your keys to anyone. The hardware wallet is free from hackers and Intruders, but the only disadvantage there is if stolen your crypto is gone.
Ensure you get a hardware wallet and do not disclose your keys to anyone, also make sure you keep it safe so it won't be stolen.