It still depends on people's knowledge and idea about then mentioned method of savings OP. If the person have enough knowledge about crypto and blockchain technology then it would be a good idea to invest in crypto, since saving in banks let's say that if you're money is not that big then it's not a good choice to use banks as savings. Because in crypto there's a chance that your small amount of money could get big but it doesn't guarantee you success especially if you have wrong calls in a volatility system of crypto. Gold investment is also a good investment even before, the longer gold exist the longer it'll worth. That's why even this era gold investment still exist.