Same-root-cause repeat exploit

USDD (Decentralized USD)'s assessment for RD-F-079 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

Zero contract exploits; no same-root-cause repeat exploit possible. The two peg events (June 2022 Alameda selloff; March 2023 SVB contagion) had different external triggers and were economic/market events, not contract bugs per U20 exclusion.

Sources #

Internal
Hacksdatabase USDD grep 2026-05-17hacksdatabase grep case-insensitive 'usdd' — 0 matching files returnedretrieved 2026-05-17
URL
Stablecoins in Trouble: USDC, DAI, USDD Depeg as SVB Crisis DeepensCoinGape March 2023 SVB contagion depeg — confirms no contract exploit, separate trigger from June 2022 eventretrieved 2026-05-17

Methodology #

Determine whether the protocol has been exploited ≥2 times via the same root-cause cluster.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol usdd factor RD-F-079 score green collected_at 2026-05-17 11:34:18