Saving money in a savings account is like putting money in a pocket with holes. Banks only give you interests that are lower than the inflation rate. Its how they make money. You are better off investing in ventures (Crypto currency) that give a return higher than the inflation rate.
There's much difference better banks and cryptocurrency. If you want to double your money fast you can
Deposit your money in blockchain by buying some coins. Where banks take sometimes to double your money
But about taking risk Cryptocurrencies are always in the top there are huge chances of losing money where banks keep your money save