The phrase "Not your keys, not your coins" is used frequently. Such a large number of people are wrecked despite so many warnings. It is possible for any centralized third party service, such as Binance, Coinbase, etc, to freeze our account. Currently, moving our stuff out of exchanges is the better solution. Cold wallets are a safe way to store digital assets. Would it mean the end of crypto if someone like Binance went bankrupt too?