In terms of being your own bank. It is not sufficient that you just have your own private keys stored somewhere on the internet. In cryptocurrency, there are also problems occurring similar to banks where people can have their money stolen. For you to secure your funds, an offline wallet is a must especially if you are to store thousand dollars worth of cryptocurrency. This
article can help you in choosing which hardware wallet suits you and we'll help you up to set up your own bank.
That is true that a reality meaning nothing perfect in this world, same the fiat bank crypto currency online wallet are treated as online bank of the crypto currency holders but we need also to becarefull even the platform have an strong secutrity possible the investment gone or lost if the hackers attack.