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If you think about it, the system for saving money in the bank is too complicated even though the money we save in the bank is guaranteed. But because the process when I want to make a withdrawal is too complicated, I dare to conclude that there is no freedom to save money in the bank. Our money but not ours. We must completely prove all the data when we want to retrieve it.
Bank are too bad when it comes to privacy - so if you care about financial privacy, then you shouldn't consider banks as the best place to store your money. It's a good idea to invest in gold or anything that you can cash out at any time with your own rules - so you won't completely rely on the bank providing you with money whenever you want.
Bank will always be involved in most cases - even cryptocurrency users will still have to use bank services to withdraw their fiat from trading platforms. Banks have strict rules and even you have to tell them the reason why you are withdrawing large amounts of money and where you got it from. This is of course never good - I don't want it to be like that.