USDD

USDD receives a C+ risk grade (42/100) from Hindenrank, where lower scores indicate lower risk. Elevated risk — correlated TRX collateral and centralized reserve management create concentration risk, partially offset by overcollateralization buffer and peg stability module. USDD is TRON's overcollateralized stablecoin with $606M in deposits, launched in 2022 and revamped as USDD 2.0 in January 2025 with a 20% APY subsidy funded by TRON DAO reserves. Its C+ grade reflects concerns around correlated TRX collateral, centralized reserve management by Justin Sun's TRON DAO, and the sustainability of subsidized yields, partially offset by a 200%+ collateral ratio and multi-asset reserve backing.

The key risks identified for USDD are: (1) The protocol's reserves include a significant portion of TRX tokens, which means a sharp TRX price decline could reduce the collateral ratio. Currently the ratio exceeds 200%, providing a meaningful buffer above the 130% minimum. (2) Reserve management is controlled by the TRON DAO Reserve under Justin Sun's direction, without decentralized governance oversight. This centralizes control over collateral composition and protocol parameters. (3) The 20% APY offered on USDD 2.0 staking is directly subsidized by TRON DAO rather than generated from organic protocol revenue. This yield depends on continued willingness and ability of TRON DAO to fund the subsidy. (4) USDD's original algorithmic mint/burn mechanism shares design similarities with Terra/UST, though USDD 2.0's overcollateralization model provides structural protection that Terra lacked.

USDD scores 42/100 across eight risk dimensions: Mechanism Novelty: 3/15, Interaction Severity: 8/20, Oracle Surface: 5/10, Documentation Gaps: 4/10, Track Record: 4/15, Scale Exposure: 7/10, Regulatory Risk: 8/10, Vitality Risk: 3/10. The highest risk area is Regulatory Risk at 8/10.

Among 29 rated Stablecoin protocols on Hindenrank, USDD ranks #18 by safety (lowest risk score = safest). Its 42/100 risk score and C+ grade place it in the middle tier of Stablecoin protocols.

USDD scores 4/15 on the Track Record risk dimension, indicating some history of security incidents or exploits. Higher scores reflect more severe or frequent incidents. Review the full risk report for details.