USD1 (issued by WLFI) is rapidly expanding in the cryptocurrency market and has become a popular stablecoin choice on Solana and other public blockchains. The growth trajectory of this project is worth noting — from single-chain support to cross-chain deployment, reflecting the real market demand for multi-chain stablecoin infrastructure. As DeFi and on-chain transactions continue to develop, the liquidity and availability of stablecoins are becoming the focus of competition in various ecosystems. Whether USD1 can continue this momentum and consolidate its position among leading stablecoins largely depends on its deep integration in ecosystem applications.