there are different opinions about crypto and how it is affecting economy
one say that this is bad, cause it is burning money or burning electricity for mining farms
other say - it helps to withdrawal from economy bad speculative money, also it helps to generate GDP, cause even those mining farms are buying electricity, and that mean growth of trade.
so which one side you are closer - this is the choice you have to make
every thing will have two side affect , not only in cryptocurrency.even in stock market will have positive and negative affect.so far cryptocurrency has good affect to graphic card industry.many of them could produce more graphic card than before.and also this market create many opportunity for young people, lot of them joined in bounty campaign and get additional income.