On May 5, Justin Sun, Founder of TRON, announced on Twitter that the TRON DAO Reserve rolled out a decentralized stablecoin named USDD, which has so far been listed on Sunswap, Sun.io, Curve, Uniswap, Ellipsis, Pancakeswap, Kyberswap, etc., with an initial total supply of one hundred million. Through the cross-chain protocol BTTC, both of the circulating supply on Ethereum and BSC are near twenty million.