sUSD is a synthetic USD token enabled by the Synthetix protocol. It tracks the price of the US Dollar through price feeds supplied by Chainlink’s decentralized network of oracles. sUSD is integrated across the DeFi ecosystem as one of the most liquid decentralized stablecoins, including at Curve. It can be traded without slippage for other assets native to the Synthetix protocol at Kwenta or Synthetix.Exchange.