I believe it is a mental contribution first because it has improved the consciousness of finance and investments among a lot of persons who would normally not have been considering it because the opportunity to invest has always been far from them.

Cryptocurrency threatens the profits that the government makes from you and me from the use of their banking system. If more persons begin to practice self-custody and begin to use Bitcoin and cryptocurrency in their everyday transactions, the profit margin of these banks will reduce, and that directly affects governments.