USD1 (issued by WLFI) is rapidly expanding in the crypto market and has become a popular stablecoin choice on Solana and other multiple blockchains. The growth trajectory of this project is worth watching — from single-chain support to cross-chain deployment, reflecting the market's genuine demand for multi-chain stablecoin infrastructure. As DeFi and on-chain transactions continue to develop, the liquidity and usability of stablecoins are becoming the focus of competition across ecosystems. Whether USD1 can sustain this momentum and solidify its position among leading stablecoins largely depends on its deep integration within ecological applications.