Can be understood simply as the hot wallet is the form in which you or an investor uses a wallet address that you can use to spend money on any selling rain activity, any transaction, at all times. and you must always connect your wallet to the internet so that you can maintain a Bitcoin network connection or other electronic money networks.
Trezor: This is the opposite of the hot wallet, which means you use a cold wallet when you do not plan to use the electronic money to spend regularly, but you can still get money. send from other people from any time of the day even when you are not connected to the internet. Once the protection is not connected to the internet, hackers can not steal money from your wallet.