The auto-yield is generated by SperaxUSD (USDs). Arbitrum is the largest layer-2 of ether and currently hasUSDs live on it. The highlights of the protocol: The yield is auto-yield. Users holdingUSDs in their wallet earn organic yield. Neither staked was required by the end user. Layer 2-native. This protocol is retail investor-friendly because of the cheaper transaction fees on Arbitrum. A fully backed model. There is a diversified basket of whitelisted stable coins backing theUSDs.