Fiat currency its a currency that a government has a control while crypto can not be manipulate and can not be created out of thin air. If people adopt a crypto currency then the fiat currency price will plummet. Its one of the reason why government impose a stricter rules in cryptocurrency.
maybe what is needed in the future is not to overthrow and harm one of the parties to work together to get a positive benefit from each other to monitor each other rather than giving each other a threat that is my mind