Sonic Labs Launches USSD Stablecoin Backed by Tokenized U.S. Treasury Assets

• Sonic Labs launched USSD, a USD-pegged stablecoin backed 1:1 by U.S. Treasury assets.
• The stablecoin will provide cross-chain liquidity and a stable dollar asset for DeFi on the Sonic network.

Sonic Labs launched USSD, a new stablecoin pegged to the US dollar. The announcement on March 9, 2026, operates on a decentralized blockchain network and offers genuine financial backing from traditional markets, supported by 1:1 short-term U.S. Treasury assets, and provides steady liquidity to the Sonic blockchain ecosystem. According to the company, USSD will function as a digital currency inside the Sonic ecosystem, enabling users to make payments, trade, and lend money through the DeFi apps. 

Treasury Assets Backing Stablecoins

USSD is backed by real-world financial assets and the US. Treasury products are connected to financial institutions such as BlackRock and WisdomTree. Sonic Labs says that the reserve model follows the same structure as Frax, which focuses on reliable backing and a clear redemption mechanism. 

Through the smart contract, users can now mint USSD directly on the Sonic network by allowing users to deposit the dollar-based assets and receive USSD in return at a 1:1 ratio without the minting fees. The goal of this design is to facilitate the entry of DeFi users and liquidity providers into the Sonic ecosystem.

The stablecoin allows users to deposit on another blockchain and receive USSD directly on the Sonic. Users can move funds between chains and settle transactions while managing liquidity acrossDeFi platforms without being limited to one blockchain network. 

Sonic Labs stated that the Treasury assets supporting USSD have the potential to generate revenue in the future. This revenue may be used to support ecosystem incentives, developer programs, and network growth. As the activity on the Sonic increases, the stablecoin could become a central financial layer for its DeFi economy. The launch of USSD shows Sonic Labs’ effort to combine traditional financial assets with the blockchain infrastructure. 

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