If each country will make their own crypto, it will not be decentralized. Ofcourse the government will make it centralized. The idea of being decentralized defeats the idea of banking and centralization. That's why most countries are banning bitcoin.
In the foreseeable future, each developed country will create its own crypto currency, provided by the national currency.
How much can this contradict the very idea of Bitcoin as a free, decentralized system?
Need cryptocurrency state control?