Now coming to Bitcoin, no doubt if countries start recognising the importance of Bitcoin and maintain their reserves in it, they would never see the crisis phase again. It will help countries to eliminate internal recession where reserves value may enhance without any increase in productivity.
You are comparing America with India. Now India is not in the list of developing country also. I hope they will become like Somalia soon because of their government policies.
Virtual payment option is not only in digital currencies even in banking they are also having online payment option to earn the fiats.