Bitcoin is more a technology for technology. On its base there are many Altcoins, which can really solve world problems in the 21st century.
At one time, electricity was useless until lightbulbs, radios, etc. appeared.
what kind of problem are you referring? if financial problem i think bitcoin only contributing but mostly i think it depends on a person if they really grab the opportunity given by bitcoin so i think in financial aspect they can solve the worlds problem because as we all know bitcoin can change someone lives we all know whta bitcoin can really give.