JupUSD is a Solana-native stablecoin launched by Jupiter in partnership with Ethena Labs. It is issued using Ethena Labs’ Stablecoin-as-a-Service infrastructure and is backed by reserve assets held in institutional custody. At launch, reserves consist of USDC and Ethena’s USDtb. USDtb is a tokenized dollar backed by tokenized U.S. Treasury exposure and issued under a licensed, GENIUS-compliant framework.