Bitcoin is a great coin to hold, no doubt. But if you want a higher return, altcoin is key. There are several altcoin in the space, that's why one needs to make some research before taking a decision. I would advise that MPCX is considered in making research, because I consider the project to be of great potential and she's holding her IEO presently in OOOBTC and PROBIT exchange at less than 5 cents where the several incentives is considered.