You can earn interest by putting money in a savings account, but savings accounts generally earn a lower return than investments.
I think it's not earning when we get lower money back than the investment.
that's not good idea to save money in saving account
They are giving Money based on inflation, usually lower than inflation rate. Saving account has no investment purpose, it only helps to minimize your money's devaluing risk. It's better to invest in real projects such as real estate and cryptocurrencies.