Oracle role per asset
USDD (Decentralized USD)'s assessment for RD-F-049 — scored yellow on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.
Evidence summary #
TRX: Chainlink + WINkLink -> Median -> OSM -> Spot (primary CDP collateral pricing, confirmed). sTRX: oracle mechanism is derived from TRX price but specific derivation not fully documented. USDT collateral: likely soft-pegged 1:1 assumption in Spot contract, not confirmed. PSM assets (USDC, USDT): fixed 1:1 no oracle role. sTRX and USDT collateral oracle roles are underdocumented.
Sources #
- DocsUSDD Spot Contract DocsUSDD Spot contract: poke(ilk) 'Updates the system with the latest price for a specific collateral type' — TRX pricing via Chainlink/WINkLink/Median/OSM pipeline confirmedretrieved 2026-05-17
- USDD Oracle Developer DocsUSDD oracle docs confirming Chainlink+WINkLink as primary; sTRX/USDT oracle roles not individually specifiedretrieved 2026-05-17
Methodology #
For each oracle, classify its role as Primary / Secondary / Fallback per asset/market.
See the full factor methodology and distribution across all protocols →
rubric_version v1.7.0 protocol usdd factor RD-F-049 score yellow collected_at 2026-05-17 11:34:18