Interesting question... a lot of coins do not have value, but some of them have a unique winning mechanics, support of the community, the scope of application such as the SBD ;) The coins that are created simply to earn fast are doomed to be impersonal and to be cheap (and this is not necessarily a mass of people may not be legible), but those that create in the interest of progress, for the convenience of community use. Will be popular and therefore will rise in price in a natural way. If we draw an analogy with conventional currency, then there are 300+ countries with different currencies that do not make the dollar, euro or yen less valuable. Crypto stream just at the beginning most peoples don't know what is it about so horizon to raise unlimited...