Send, Earn, Spend.

Stake USDx, get sUSDx: the over-collateralized USD index stablecoin that rewards you more across DeFi.

sUSDx 8.88% APY
Whitepaper
Superblock dashboard showing the USDx staking interface with collateral pools and yield overview

USDx Protocol

Built for Stability

The over-collateralized USD index stablecoin — backed by real assets, built for DeFi yield.

Multi-Collateral

Backed by a diversified basket of USDC, USDT, and DAI with configurable collateralization ratios that ensure over-backing at all times.

Stake for sUSDx

Deposit USDx into the ERC-4626 staking vault and receive sUSDx — an interest-bearing token that accrues yield automatically.

Institutional Security

Role-based access control, reentrancy protection, pause capabilities, and freeze mechanisms for full regulatory compliance.