USDx is a decentralized and synthetic indexed stablecoin 1:1 pegged to a basket of constituent stablecoins, integrated with interest bearing capability. USDx's initial underlying portfolios include USDC, TUSD, PAX and DAI, which can be adjusted by on-chain governance. The synthetization and disaggregation of USDx is wholly on-chain to ensure maximized transparency, immutability and auditability.