It's a logical investment strategy to hold both bitcoin and promising altcoin on ones portfolio. Investment in bitcoin is a sure way of making more money, but investment in altcoin with promising project is a better way. MPCX is a promising project who has secured partnership with several big shots and blue chip company's and there's no doubt that the project would do well. The IEO is live now on OOOBTC AND PROBIT EXCHANGE. its best to hold some for the rainy day.