If one is in need of a reliable cryptocurrency to invest with and come across bitcoin then such person should be lucky because he has landed well with the right currency, what else should one look after again in other cryptocurrencies than to hodl and monitor his bitcoin investment, going for alts is just nothing but an advanced degree of going into risk taking by investing in them, those that have invested on altcoins and later discover bitcoin got discouraged and go for bitcoin, they have considered it's value and applications as well as it acceptabilities.