that fact is so true. the bank gets money from inflation rate and we only get a number of interest rate that isn't even equally than ours losses value assets.
in another hand. the banks utilize our asset to reinvest in the instrument which resistance against inflation and take profit. whatever they do is about for how the way to make more money

(no offense). it wise to us to starting investing on some venture (cryptocurrencies could be worthy options) as your investment asset options due to its prospective potential in the future beside traditional instrumental products.