iUSD Explained: How Indigo’s Synthetic Dollar Works on Cardano
iUSD is a synthetic dollar issued through Indigo Protocol on Cardano. Users lock ada as collateral in a collateralized debt position and mint iUSD against it. No bank account holds one dollar for every token; the system relies on on-chain collateral, pricing and liquidation incentives.
That makes iUSD useful for users who want dollar-denominated liquidity while retaining leveraged exposure to ada. It also means “stable” describes a target, not a guarantee.
Key takeaways
iUSD is synthetic, not fiat-backed. Its value is supported by crypto collateral and protocol mechanisms.
Minting creates debt. A user receives iUSD but risks liquidation if collateral value falls too far.
Market price can diverge from the target. Liquidity and redemption incentives determine how quickly a deviation closes.
Holding and minting carry different risks. A minter manages collateral; a secondary-market buyer inherits peg, liquidity and contract exposure.
How a collateralized debt position works
A user deposits ada into a protocol position and borrows newly minted iUSD subject to a collateral ratio. As ada moves, the position’s safety changes. If it crosses the liquidation boundary, protocol mechanisms can close or reduce it to protect system solvency.
Why the peg can move
iUSD does not promise direct bank redemption at one dollar. Its price depends on supply and demand, collateral incentives, available DEX liquidity, oracle inputs and confidence that positions can be liquidated correctly. A thin pool can show significant slippage even when the protocol remains overcollateralized.
Risk checklist
Check the current collateral and liquidation parameters.
Measure actual DEX depth for the size you may need to exit.
Understand oracle sources and update behavior during volatility.
Separate protocol price from executable market price.
Review smart-contract audits and governance powers.
Do not build treasury obligations around an assumed perfect peg.
Comparing Cardano stablecoins
Cardano supports fiat-backed, overcollateralized and synthetic designs. The correct comparison is not which uses the word “stablecoin,” but which failure mode a user can accept: bank and issuer exposure, bridge exposure, volatile collateral, liquidity constraints or governance risk.
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