The integration marries Ondo’s $1.28 billion RWA liquidity with Sei’s sub-second finality, targeting capital-efficient decentralized finance apps.
Ondo Finance, the market leader in on-chain real-world assets (RWA), has officially expanded its footprint to the Sei Network. The launch of USDY (US Dollar Yield) on Sei marks a significant milestone for the high-performance Layer 1 blockchain, introducing its first permissionless, yield-bearing tokenized Treasury asset.
USDY is distinct from traditional stablecoins like USDC or USDT. While it maintains a stable value, it provides holders with a variable yield – currently averaging ~4.25% APY, updated monthly – generated from the underlying government bonds.
Bringing this asset to Sei unlocks unique possibilities. Sei is renowned for its speed, boasting a throughput of tens of thousands of Transactions Per Second (TPS) and parallel execution capabilities.
Nathan Allman, CEO of Ondo Finance, emphasized the utility of the partnership. “Integrating USDY into Sei opens up massive use cases for developers,” Allman stated. “We are moving beyond simple holding; we are enabling a capital-efficient ecosystem where the base money layer works for the user.”
The arrival of USDY comes at a pivotal moment for Sei. The network experienced an explosive 821% growth throughout 2025, cementing its status as a top-tier destination for trading-focused applications. However, to mature into a full-fledged financial hub, the ecosystem required high-quality, stable assets that could attract institutional liquidity.
With Ondo’s Total Value Locked (TVL) surpassing $1.28 billion across various chains, the influx of USDY provides the “primitive yield” layer that the Sei Foundation views as essential for the next generation of DeFi.
This launch highlights a broader industry trend where users and institutions are rejecting the “0% yield” model of legacy stablecoins. In a high-interest-rate environment, holding non-yielding stablecoins is an opportunity cost. Assets like USDY are rapidly becoming the preferred medium of exchange in DeFi because they preserve purchasing power against inflation.
By launching on Sei, Ondo is ensuring that this new standard of value transfer is available on the fastest rails in the industry. As the Sei DeFi ecosystem integrates USDY into lending markets and perpetual exchanges over the coming weeks, the network is poised to bridge the gap between high-frequency trading and sustainable, real-world yields.
