So far no one has built it to the level where money is useless.
Don’t see why that’s an issue, ideology can’t get in the way of material conditions and reality, that’s ultraleftism.
And the countries that have tried ultimately failed and usually returned to capitalism - for example India, Israel or pretty much most of Warsaw pact countries.
Some did, many didn’t and are continuing to remain Socialist, like the PRC, Vietnam, Laos, Cuba, and the DPRK, to varying degrees of success and style. We can continue to watch and see how they change and develop over time.