Crypto works just like legacy finance. To say either or both are a scam is to tell me you have no idea about the coincidence of wants of economics without saying you have no idea about the coincidence of wants in economics.
加密货币就像传统金融一样运作。说其中一个或两个都是骗局就是告诉我你不知道经济需求的巧合，而不是说你不知道经济学中需求的巧合。