Pax Gold (PAXG) is a gold-backed cryptocurrency, and FDV $806.9M
Tether Gold is a stablecoin that provides ownership on a 1:1 basis of one fine troy ounce of gold on a physical bar of gold that meets the Good Delivery standard of the London Bullion Market Association, FDV $827.23M
they are on ERC-20, Even if the actual deposit amount is small, I think it is a challenge to get one step closer to RWA