What if all those big corporates and businesses starts using crypto as a mode of payment just to avoid tax which will cause a direct loss to the government which uses tax for the betterment of the country. This might not affect corrupt countries as it doesn't matter because tax money goes to politician's coffers but what about developed nations?
At the focal point of blockchain innovation is decentralized trust, and this is the manner by which cryptographic forms of money can assist the worldwide economy with being gathered in the hands of the larger part.
Therefore, Cryptocurrency usage will boost economy.