December 18, according to official sources, United Stables announced the official launch of the US Dollar stablecoin U. It is currently deployed on both the BNB Smart Chain (BSC) and Ethereum (ETH) chains and has completed multiple ecosystem integrations. The U stablecoin is backed by a 1:1 full reserve (USD + top-tier stablecoins) and features real-time on-chain reserve proof (PoR), monthly audits, etc. In the future, it will support enterprise-level privacy protection and AI-native payments (EIP-3009/x402). U is the first "unified stablecoin" on the BNB Chain, integrating mainstream stablecoins as usable collateral assets to create a unified liquidity layer.In terms of ecosystem integration, U has integrated and supported mainstream DeFi protocols including PancakeSwap, Aster, Four.meme, ListaDAO, allowing users to directly participate in on-chain trading, staking, borrowing, and liquidity provision. In terms of wallet support, Binance Wallet, Trust Wallet, and SafePal have simultaneously launched U. Apart from the on-chain world, U has also been listed on the centralized exchange platform HTX.United Stables stated that U will focus on empowering trading, DeFi, institutional settlements, cross-border payments, AI autonomous economy, etc., and plans to expand to more public chains, DeFi protocols, and trading platforms in the future.