[River Launches Yield Products on Base, Driving a New Phase of On-Chain Economy] BlockBeats News, September 25 — River announced today the launch of Smart Vault and Prime Vault yield products based on its stablecoin on Base, adding a financial layer to the on-chain economy. Base's mission is to 'bring the world on-chain,' while River is dedicated to connecting multi-ecosystem assets and opportunities. Through the stablecoin satUSD and one-click investment products tailored for both retail and institutional users, assets can transcend borders, flow freely, and be activated. River is the first chain-abstracted stablecoin system, with a current TVL of $700 million, satUSD circulation reaching $290 million, ranking 24th in stablecoins on DeFiLlama, surpassing the supply of Resolv and BUSD. The official statement emphasized that the decision to launch on Base is not only a technical integration but also a reflection of shared visions: building a usable, open, and authentic on-chain economy.