It can help to address inequality and improve living standards in poor countries, being of benefit to everyone.

This phrase is as utopian as it can never become reality.
There will always be poor and there will be rich, and dreaming that one day the world could be changed by cryptocurrency or some new invention is useless. However, one can understand those people who are in a poor situation, and for them, several stories of enrichment of their neighbors will always be encouraging and motivating. But first, people need education, as well as a good income that will allow them to have some amounts for investment that will not affect their lives and their most necessary expenses.