---
title: "Somnia Launches Stablecoin USDso Backed by U.S. Treasury Assets"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/285208587.md"
description: "Somnia has launched a new stablecoin, USDso, backed by U.S. Treasury assets and issued through the Frax Finance protocol. USDso uses an over-collateralization model and can be minted at a 1:1 ratio with USDC. The revenue distribution allocates 90% of reserve earnings to DeFi protocols and 10% to an insurance fund, targeting high-frequency trading and DeFi applications."
datetime: "2026-05-05T12:33:57.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/285208587.md)
  - [en](https://longbridge.com/en/news/285208587.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/285208587.md)
---

# Somnia Launches Stablecoin USDso Backed by U.S. Treasury Assets

Somnia, a Layer 1 blockchain, has introduced its new stablecoin, USDso. According to ChainCatcher, this stablecoin is issued and operated by the decentralized stablecoin protocol Frax Finance, utilizing the frxUSD framework. USDso employs an over-collateralization model and is backed by assets such as U.S. Treasury bonds. It can be minted at a 1:1 ratio with assets like USDC. The revenue distribution mechanism of USDso ensures that 90% of reserve earnings are allocated to DeFi protocols, while 10% is directed to an insurance fund. The stablecoin is designed to cater to high-frequency trading, DeFi, and on-chain protocol scenarios.

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