Ondo USDY is now available on Sei: Tokenized US Treasury Bonds meet high-performance infrastructure

The flagship "Yield Coin" (USDY), backed by tokenized short-term US Treasury bonds, under Ondo Finance, is now live on the Sei Network.

As the first permissionless tokenized US Treasury bond-based asset on Sei, USDY provides retail users and institutions within the Sei ecosystem a direct, permissionless way to access a secure, institutional-grade asset. Its underlying assets are supported by short-term US Treasury bonds and bank deposits.

Institutional-Grade Asset Infrastructure

Sei is emerging as the global settlement layer for modern finance, a high-performance, low-cost infrastructure that can meet the demanding needs of institutions, enterprises, and consumer finance. Leveraging infrastructure deployed on Sei's parallelized EVM, Ondo utilizes infrastructure capable of achieving 400ms finality and 12,500 TPS throughput, providing the deterministic speed needed for the global market.

USDY has a market value exceeding $1.2 billion, demonstrating extensive institutional demand and introducing one of Sei's largest-scale RWA domain pools.

The tokenization of Treasury bonds has grown into a $100 billion market because it solves a real problem: idle cash. Global corporate cash balances exceed $8 trillion, and the opportunity is just beginning. USDY chose to land on infrastructure designed for the next phase.

This integration further solidifies Sei's position as the preferred ecosystem for RWAs. Ondo stands aligned with a cohort of world-class asset management institutions and infrastructure partners who recognize bringing "composable, yield-generating capital" into high-velocity ecosystems like Sei.

Sei's infrastructure is attracting more and more institutional players: BlackRock, Brevan Howard, Hamilton Lane, Nomura's Laser Digital, and Apollo's tokenized fund are already deployed on Sei. Technical support behind them comes from core infrastructure partners such as Circle, Binance, Securitize, KAIO, and Etherscan.

Unlocking More Ways to Earn Yield in the Sei Ecosystem

USDY has transformed how capital operates on Sei by converting idle balances into yield-generating assets. Users and protocols no longer need to hold static stablecoins but can use USDY as a versatile financial building block.

The integration of USDY enables value to move seamlessly within the ecosystem — it can serve as high-quality collateral in DeFi lending, a stable base layer for institutional savings, and a yield-bearing medium in global payments. By consolidating these functions into a single institutional-grade asset, USDY simplifies liquidity management and expands the imaginative space of decentralized finance on Sei.

Key Unlockables for Users

· Yield Dollar Exposure: Holding USDY earns interest backed by short-term US Treasury bills, achieving sustainable returns while maintaining price stability.

· Global Accessibility: Non-US individuals and institutions can directly access tokenized government bonds on Sei without intermediaries.

· Fast Execution: Sei's performance channels support higher capital efficiency operations without sacrificing transaction speed and reliability.

Key Unlockables for Developers

· Full ERC-20 Composability: USDY seamlessly integrates with Sei's EVM for advanced yield strategies, fund management, and capital market products.

· Secure and Productive Collateral: With institutional-grade underlying support, USDY can act as a reliable collateral in lending, trading, and market-making/liquidity provision scenarios.

· Seamless Integration: Sei ecosystem developers can quickly incorporate USDY as a productive collateral, treasury asset, or yield base component into various DeFi protocols.

Live on Launch: USDY Day One Integration Scenarios

USDY goes live with instant usability in Sei's DeFi ecosystem:

· Swaps: USDY can be exchanged on Sei's native DEX Saphyre (formerly DragonSwap) with deep liquidity and lower slippage.

· Lending Markets: USDY can be used as productive collateral on Takara Lend or Yei Finance to earn underlying government bond yields while boosting capital efficiency.

· Cross-Chain (Bridging): Leveraging LayerZero's full-chain infrastructure to access USDY on Sei — bringing capital from other ecosystems backed by national debt into Sei's high-performance execution environment, or seizing cross-chain opportunities.

These integrations enable USDY to operate as an active, composable form of capital from launch, ready to serve trading, lending, and cross-chain strategies at any time.

Global finance converging on Sei

The launch of USDY marks further convergence between traditional capital markets and the on-chain economy. As tokenized national debt expands globally, Sei provides the infrastructure needed to support its scalability.

RWA circulates faster on Sei.