Protocol age (days)

USDD (Decentralized USD)'s assessment for RD-F-076 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

USDD launched on TRON mainnet 2022-05-05. Age at assessment 2026-05-17: ~1,107 days (~48 months). Exceeds the 12-month threshold for A-grade eligibility and the longer seasoning benchmarks. Profile §2 confirms launch date.

Sources #

URL
TRON DAO and Other Blockchain Leaders Jointly Roll Out USDDTRON DAO press release confirming USDD mainnet launch 2022-05-05retrieved 2026-05-17

Methodology #

Measure the number of days between today and the earliest mainnet deploy of any currently-live contract for this protocol.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol usdd factor RD-F-076 score green collected_at 2026-05-17 11:34:18