SXC, fully named Stable XT Cash, is a digital currency based on Ethereum ERC20 smart contract and an independent digital currency issued by XT Foundation. The SXC Foundation uses digital currency collateral to make some of it available for circulation. The circulating SXC is mortgaged at 100% value, and the collateral can be one of BTC, ETH, LTC, QTUM, etc. All users can participate in the mortgage and public display. The income from network transaction fees generated in circulation is evenly distributed according to the collateral, and the collateral is uniformly controlled by the foundation....