Gold Bits Coin is developing a digital currency that is backed by gold. They hope to create a digital asset with less price volatility that can be used as a medium of exchange. GBC is built on Ethereum. Their marketing materials are unclear about how much gold they have in reserve to back each Etherreum-based token.

USDQ is a stablecoin that is pegged to the US Dollar and is collateralized with Bitcoin. USDQ was issued by a company called Platinum Securities that offers STO and market making services.