If by war you mean that they are opposing crypto, that is obvious. Crypto makes them and banks weaker and this is something they do not want to happen.
I think can not imagine that the government should submit income and virtual currency like bitcoin. in fact, there is no government have reason to let it happen. one concept called income seigniorage. meaning seigniorage is the difference between the cost of printing money and the value of the nominal. in the age of paper money costs prints money negligible, and the government has a monopoly on printing money, so it can get all seigniorage.