The launch of the USDY, Ondo Finance’s flagship yield-bearing stable asset is now available on the Sei Network, and it is a big leap towards tokenized RWA.The launch of the USDY, Ondo Finance’s flagship yield-bearing stable asset is now available on the Sei Network, and it is a big leap towards tokenized RWA.

Ondo Brings USDY to Sei as Tokenized Treasuries Enter High-Speed DeFi

3 min read
News Brief
Ondo Finance's USDY—a yield-generating stable asset backed by short-term U.S. Treasuries and bank deposits—has officially launched on Sei Network, representing what many consider a pivotal moment for tokenized real-world assets on high-performance blockchain infrastructure. As the first permissionless tokenized U.S. Treasury Bill primitive on Sei, USDY grants users and institutions direct access to institutional-grade assets while bypassing traditional financial intermediaries altogether.Sei's infrastructure boasts minimal fees and predictable speed, featuring Parallelized EVM with approximately 400-millisecond finality and 12,500 transactions per second—characteristics ideally suited for high-frequency financial operations. Boasting over 1.2 billion tokens in circulation, USDY ranks among the largest tokenized treasury assets in a real-world asset market that has expanded to $10 billion worldwide. This surge reflects growing demand for productive deployment of idle cash, particularly as corporations hold over $8 trillion in bank accounts globally.Moreover, USDY transcends being merely a passive store of value. It functions as high-quality collateral in DeFi, a cash management instrument, and a medium for payments across Sei's capital markets. Already integrated into Sei's DeFi platforms—including Saphyre for swapping, Takara Lend and Yei Finance for lending—plus omnichain access via LayerZero, USDY operates as a dynamic financial asset rather than simply an offchain placeholder.
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The launch of the USDY, Ondo Finance’s flagship yield-bearing stable asset, is now available on the Sei Network, and it is a big leap towards tokenized real-world assets on high-performance blockchain infrastructure. USDY, which stands as the United States Dollar Yield, is supported by short term U.S Treasuries as well as bank deposits and is created to offer compliant and yield-producing Dollar exposure on the chain.

This deployment causes USDY to be the first permissionless tokenized U.S. Treasury Bill primitive on Sei. This launch gives Sei users and institutions direct access to an institutional-grade asset without any intermediation to the traditional financial system, further establishing the Sei in the fast-marketing real-world asset market.

Institutional-Grade Assets Meet High-Performance Infrastructure

Sei has established itself as an international settlement of the contemporary finance, with minimal charges and predictable speed optimized for institutional applications. The integration of Ondo uses Parallelized EVM by Sei, which provides in-time-to-finality, and throughput of about 400 milliseconds and 12,500 transactions per second.

This performance profile is made to facilitate the high frequency financial operations and massive capital deployment. Placing USDY on Sei, Ondo equips its tokenized treasury product with infrastructure deployed according to the needs of the global financial markets operations.

USDY Brings Scale and Liquidity to Sei

The USDY has an active supply of over 1.2 billion tokens, and its circulating supply makes it one of the largest tokenized treasury assets in the real-world asset market. The launch introduces a large pool of institutional capital to Sei when tokenized treasuries have become a 10 billion market worldwide.

Increase in tokenized treasuries is as a result of need to have more productive application of idle cash. As corporations are now estimated to have bank accounts with cash balances above $8 trillion globally, onchain treasury products such as USDY are now considered a transitional step in between the traditional finance and decentralized markets.

Expanding Sei’s RWA Ecosystem

The introduction of Ondo also supports the inclusion of Sei as the network of choice when it comes to real-life assets. Existing ecosystems already feature tokenized funds and financial products (used by large financial institutions such as BlackRock, Brevan Howard, Hamilton Lane, Laser Digital by Nomura, and Apollo) provided by the Sei ecosystem.

Circle, Binance, Securitize, KAIO, Etherscan, and currently Ondo Finance are all infrastructure partners that contribute to this activity. Westpac addition of USDY will enhance the attractiveness of Sei to asset managers and developers of compliant, composable financial primitives.

Utility and Composability Across DeFi

USDY is meant to go beyond being a passive store of value. The asset can be utilized as a high-quality collateral in decentralized finance, as an institutional cash management tool, and as a medium to transact payments and capital markets use cases on Sei.
Since its launch, USDY is built in to the DeFi platform of Sei, such as swapping on Saphyre, lending and borrowing on Takara Lend and Yei Finance, and omnichain access through the omnichain of LayerZero. The integrations can make USDY a dynamic financial asset as opposed to a passive representation of offchain value.

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