Which stable coin is backed by Gold?

[Fidelia]

Stable coins are always backed by some valuable assets. Most stable coins like USDT are backed by dollar reserves. Which of the stable coins do you know that is backed by Gold? What is the fundamental advantage of a stable coin backed by Gold?

 

[Suba]

Although I personally do not hold gold-backed stablecoins for various reasons such as high transaction fees, interest spreads, but if you ask about the advantages of gold-backed stablecoins are: low volatility, as a hedge against inflation etc.