The USDx is based on Ethereum ERC-20 Stablecoin, which is automatically minted by a basket of high-quality U.S. dollar Stablecoin through smart contract decentralization. Users can exchange the Stablecoin composition into USDx (1 USDx=0.35 USDC+0.35 PAX+0.3 TUSD) according to the weight, or destroy the USDx and get back a basket of Stablecoin composition. The coinage and destruction processes are all implemented on the chain, ensuring high transparency, tamper resistance, and auditability of operations. In the future, the categories and weights of constituent coins will be changed through community voting governance....