One of the more interesting, yet not greatly utilized, stable"ish" RWA's is Quintric.com Gold and silver in a vault which can be transferred on chain as Quint or QuintS. Beautiful that you can also invest (stake) Quint into a liquidity pool as well.
The market is ripe for a usdt alternative, yet it needs to be EASY to use with many different gateway pathways. I believe consolidation and collaboration between graphene based chains would help this situation tremendously.