To earn profit is better in кpиптoвaлютe, and to store partially earned it is better in bank. To convince your uncle that bitcoin brings much more profit than any bank gives from deposit investments, it is necessary to show how the bitcoin rate increases yearly. It will be very obvious.
Investing here in bitcoin have a chances that your money triple back to you with some friends says if becomes bigger deposit it to the bank for legal papers documents both we can get profits in bitcoin higher in bank lower merge big and grows.