Ethereum restaking protocol ether.fi has launched a new USD-denominated stablecoin, ether.fi USD (USD), with technical infrastructure powered by Ethena. The stablecoin is designed to natively integrate liquidity into the protocol's upcoming product suite. More than $300 million in stablecoin assets are currently operating within the ether.fi ecosystem. The introduction of USD aims to consolidate this existing liquidity and support future platform development through native integration.