Bank investors have more certainty because there capital is completely safe but they give 8-10% annual profits to the investors of per year. But it is comparatively less in terms of profits.
On the other hand you will get constant profits from crypto as if you are experienced in trading then daily profits is possible. Otherwise you can get profits by investing. However crypto investment puts your capital at greater risk (main point).
Ah, you will never guess. Crypto is volatile and requires more risk, banks can bankrupt
if you want to invest money, forget about them and get yields, then better banks or lending platforms, if you are ready to take some risk, then choose trading