USDD
AuditedVerifiedUSDD is a USD-pegged stablecoin issued by the TRON DAO Reserve. Originally launched May 2022 as an algorithmic stablecoin, it was overhauled in January 2025 into the USDD 2.0 over-collateralized CDP architecture, now live across TRON, Ethereum, and BNB Chain.
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Score history
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The Problem
Centralised stablecoins (USDT/USDC) carry counterparty and censorship risk; on-chain decentralised alternatives have historically traded liquidity for capital efficiency or stability.
The Solution
USDD 2.0 offers a TRON-native over-collateralised CDP stablecoin with a PSM zero-slippage swap mechanism and a Smart Allocator yield engine that powers sUSDD savings.
Why it Matters
Largest CDP stablecoin native to TRON ecosystem; tightly integrated with JustLend, SunSwap, and TRX liquid staking. Carries the TRON-DAO/Justin Sun brand.
Protocol Metrics
Related Research
View allFrequently asked questions about USDD
What is USDD?+
USDD is a CDP protocol operating on Tron, Ethereum, BNB Chain. USDD is a USD-pegged stablecoin issued by the TRON DAO Reserve. Originally launched May 2022 as an algorithmic stablecoin, it was overhauled in January 2025 into the USDD 2.0 over-collateralized CDP architecture, now live across TRON, Ethereum, and BNB Chain.
How does USDD work?+
USDD 2.0 offers a TRON-native over-collateralised CDP stablecoin with a PSM zero-slippage swap mechanism and a Smart Allocator yield engine that powers sUSDD savings.
Is USDD safe?+
DeFi Sentinel rates USDD C with a safety score of 47/100, indicating rated risk. The score reflects five risk dimensions: smart contract & technical risk, economic design & market risk, governance & centralization, sustainability & competitive position, and reputation & social trust. USDD has 5 audits on record. DeFi Sentinel's analysis flagged 8 high, 4 medium, 4 low risk alerts across Governance & Centralization, Smart Contract & Technical Risk, Economic Design & Market Risk, Reputation & Social Trust and Sustainability & Competitive Position. As with all DeFi protocols, residual risk remains and users should review the full risk breakdown before depositing.
What is the safety score of USDD?+
USDD has a DeFi Sentinel safety score of 47/100 (rating C), last updated September 16, 2026. The score is computed across smart contract & technical risk (30%), economic design & market risk (25%), governance & centralization (20%), sustainability & competitive position (15%), and reputation & social trust (10%).
Which chains does USDD support?+
USDD is deployed on Tron, Ethereum, BNB Chain.
Has USDD been audited?+
Yes. USDD has 5 audit reports on record from firms including ChainSecurity, ChainSecurity, ChainSecurity. Audit reports and dates are linked under the Resources tab on this page.