Those are all political problems. Technology does not solve political problems. Politics solves political problems.
All cryptocurrency does is obfuscate the politics behind its monetary system. As flawed as our monetary system is, the politics behind it are visible and under control of a government. In my country, my government is elected, and I'm an active and informed voter.
Thus, I think the best way to solve those problems is to be an informed voter, vote, and encourage other countries to adopt democracies.
Those are all political problems. Technology does not solve political problems. Politics solves political problems.
All cryptocurrency does is obfuscate the politics behind its monetary system. As flawed as our monetary system is, the politics behind it are visible and under control of a government. In my country, my government is elected, and I'm an active and informed voter.
Thus, I think the best way to solve those problems is to be an informed voter, vote, and encourage other countries to adopt democracies.