In the list of social economic problems i no it includes 1- unemployment 2- poverty 3- corruption 4- educational challenges etc if this is what you mean by social-economic problems and you ask if crypto will solve the above problems, globally the answer is NO, but individually YES is my answer because some of the aforementioned challenges hing on CHOICE
The main problem in socio-economic is the unemployment then next is poverty in many country, so if they know how to used crypto then possible they will get earn and surely they will lessen the problem in their economic. And since the cryptocurrency become popular nowadays there's possibility many people will be might get interested to it and possible used it. Crypto can only help people to have additional income, so I think it can lessen the problem in socio-economic.