Its always a wise thing if you save or use your savings in the well being and future of you family. And not use it in vices, gambling, drugs and any other illegal activities.
Yes illegal activities can destroy your life and your family's life, so you should spend your money in important thing that need to life and that's why you have save a lot of money for your future and if you want to invest in digital currency specially in bitcoin, so you will earn huge amount because it will give you big profit by its high price and your future will also secure.