In fact, all of that are the solid coins which is good in investment and all of that coins will help you to multiply your money. As of now most the people now are investing in bitcoin and ethereum which have great potential to give a big income to you. It is up to you what coin you should invested but I suggest you should invest in all solid coin. Lastly, before you invest you should enough knowledge about it so that you can able to make and earn more income.