Why stablecoins are useful in DeFi Stablecoins are digital assets designed to track a reference value, often the US dollar. In DeFi, they can serve as trading pairs, lending assets, collateral, or a unit for quoting value without constantly switching between more volatile tokens.
Different stablecoins use different mechanisms: reserve assets and redemption processes, crypto collateral, automated incentives, or hybrid designs. These mechanisms have different strengths and failure modes, so the word “stablecoin” alone does not explain how a token maintains its target.
Ask what backs the asset, who can redeem it, what conditions apply, how liquid it is, and what happens if collateral falls or reserve access is disrupted. Smart-contract, custody, issuer, and market risks may also matter.
A stablecoin can trade away from its target, especially during stress or when redemption routes are constrained. A target is an objective, not a guarantee.
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