Upgrade frequency (per 90 days)

Liquity V1 + V2 (LUSD / BOLD)'s assessment for RD-F-137 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

Zero upgrades in any trailing 90-day window. Both v1 (since 2021) and v2 (since May 2025) are immutable — no proxy, no Upgraded events emissible, no upgrade mechanism. v2 launched as a complete fresh deployment; no upgrades since.

Sources #

Docs
Liquity v2 FAQ — GeneralLiquity v2 FAQ: 'immutable and not upgradeable' — upgrade frequency structurally zeroretrieved 2026-05-16
Internal
Liquity Protocol Profile §3.research/protocols/liquity/00-profile.md §3 — all contracts listed as Proxy? n; no upgrade historyretrieved 2026-05-16

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 liquity factor RD-F-137 score green collected_at 2026-05-16 10:35:50