Archimedes is a mixed-mode decentralized stablecoin issuance platform based on the NEO network. Through smart contracts and cross-chain technology, it supports any individual or institution to issue stable-price digital currency by mortgaging digital assets and real assets. . SDUSD is a stablecoin that is generated based on the mortgage of digital assets NEO and GAS by individual users and is pegged to the US dollar at a price of 1:1. Archimedes ensures the price stability of the stablecoin through a series of on-chain and off-chain risk control measures. Innovation at the institutional side has greatly increased the supply of stable coins and provided sufficient liquidity for the entire digital currency market. Archimedes' standard SDS (Standards) is a functional certificate issued by Archimedes, which is not only required in the process of issuing stable coins, but also serves as an important certificate for participating in the governance of various mechanisms of Archimedes.