https://www.bitfinex.com/t/XAUT:BTC

https://www.bitfinex.com/t/XAUT:USD

https://www.bitfinex.com/t/XAUT:UST

ERC-20 Contract address:

https://etherscan.io/token/0x4922a015c4407f87432b179bb209e125432e4a2a