What happens if the government replaces existing currency with credit-backed Bit

[tlkchain]

First, at least for now the government has no reason to support bitcoin.
Second, how does bitcoin gain government credit support? Who can control the issue of bitcoin, including the government, is the government involved in mining?

[xugzr272186]

Bitcoin contrasts with gold rather than paper money
The internal logic is to oppose the central bank to decentralize
Corresponds to the central bank violence - credit expansion, super-money
If there is government credit endorsement that bitcoin meaningless