Upgrade frequency (per 90 days)

Wormhole's assessment for RD-F-137 — scored gray on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

Upgrade frequency (upgrades per 90d) | Core Bridge: 0 upgrades in the last 90 days (last upgrade September 12, 2022 — 43+ months ago). Token Bridge: no upgrade events found in last 90 days from available sources. NTT contracts: NTT v3 audits (OtterSec April 2025, May 2025) suggest NTT may have recent deployments but separate from Core Bridge. | Etherscan Upgraded events (Core Bridge: 3 total since 2021, last Sept 2022); Profile §8 audit table | green

Sources #

Curator note
Extracted from 02-governance-admin.md — RD-F-137; no URL citedretrieved 2026-04-28

Methodology #

Count the number of contract upgrades in the trailing 90 days via on-chain upgrade events.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol wormhole factor RD-F-137 score gray collected_at 2026-04-28 01:38:43