Sustainability is a venture capital venture aimed at integrating wealth from the real world into a blockbuster economy and providing stability to the changing cryptocurrency market. Our note is that StableUSD is a guaranteed stablecoin. Each USDS token is legally supported and refunded for U.S. dollars kept in trust accounts managed by our regulated trustees, such as the Prime Trust. USDS notes are useful for strengthening Dapps and smart contracts, facilitating payments and remittances, as well as providing a natural place for digital wealth in a time of high market volatility. It makes it easy for users to transfer money and makes security factors for digital wealth a must in an era of high market volatility. The biggest and most obvious issue now with the use of popular cryptocurrencies such as Bitcoin for transaction purposes is price fluctuations.