Alchemint uses smart contracts to mortgage digital assets in a decentralized way to generate a price-stable digital currency SDUSD (with a 1:1 price soft anchor to the US dollar), and through a series of measures to ensure the stability of the SDUSD currency value. SDUSD has all the excellent features of encrypted digital currency, while maintaining price stability. Holders can use it very conveniently, send it to others, use it as a means of payment for goods and services, or store it for a long time. SDUSD is also a must for digital asset trading platforms medium of exchange.