However, we can minimize the risk, one of the ways is to buy more trustable coins. You should already know that many people recommend buying top coins since they are proven to survive in crypto market for many years. The price changes of top altcoins are also easier to predict because we can see their price chart histories. While for new coins, they are not proven yet since they are just launched. We also cannot find the data like price chart history, to know its fluctuation.