Not really. First off, RP exists in its own little fantasy world. The money exchanged is not, in most cases, Tai, but the national currencies of one or more nations, which have even less actual existence or value. Secondly, the exchange of goods and services is not prohibited by any sort of socialism, and the forum for the exchange, the Bazaar, need not be state-owned. The both the production and exchange of the goods and services to be exchanged in the Bazaar conforms entirely to socialist principles (i.e., each person produces the goods/services they sell), and the exchange of goods and services produces no surplus value.