Perhaps you are right, it is simply not profitable for the state itself, so that all people absolutely know if this will be accepted.
I think that sooner or later, states will have to accept the ideas of decentralization and openness that the blockchain preaches. Resist progress is useless!
Let's see how long it takes to last, its just not very profitable for the state to bring it all into real life, since prices will be much lower than cryptocurrencies