Of course, we have written repeatedly that it is not permissible to store large amounts of assets in centralized exchanges for many reasons, including that centralized exchanges can be hacked, in addition to that your account can be frozen, in addition to that they do not maintain privacy, in short, you do not actually own your assets.
Of course, the best solution is to store assets on a non-custodial wallet, and it is preferable to be a Hard wallet, if you do not have your private keys, then you do not actually own your assets.