Sonic Labs 宣布推出網路原生美元穩定幣 USSD（US Sonic Dollar），定位為 Sonic 生態的穩定流動性層。USSD 基於 Frax Finance 基礎設施構建，由 BlackRock、Superstate 與 WisdomTree 發行的美國國債資產 1:1 支持。

Sonic Labs has announced the launch of **USSD (US Sonic Dollar)**, a native US dollar stablecoin designed to serve as the stable liquidity layer for the Sonic ecosystem. Built on Frax Finance infrastructure, USSD is fully backed 1:1 by U.S. Treasury assets issued by BlackRock, Superstate, and WisdomTree.