River is building the first chain-abstraction stablecoin system that connects assets, liquidity, and yield across ecosystems. Powered by the omni-CDP stablecoin satUSD, River allows users to collateralize assets on one chain and mint on another — natively earning, leveraging, and scaling across networks. Beyond traditional models, River has pioneered PrimeVault and SmartVault, which combine collateral flexibility with automated, no-liquidation yield strategies, enabling seamless multi-chain expansion.