You don't need or want Bitcoin in that model - the whole point of Bitcoin is that it's decentralised and all transactions are trackable by all parties (but not

You don't need or want Bitcoin in that model - the whole point of Bitcoin is that it's decentralised and all transactions are trackable by all parties (but not necessarily destinations). A government would just want essentially our current bank account system, except without paper cash. That'll probably happen sooner or later.