Upgrade frequency (per 90 days)
Falcon Finance'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 #
0 upgrades in last 90 days. Total of 2 upgrade events (both USDf and sUSDf on Feb 10, 2025) in the entire protocol history. Very low upgrade frequency.
Detail #
Etherscan USDf proxy events: 1 Upgraded event, tx 0x48e855…, block 21818184, 2025-02-10. Etherscan sUSDf proxy events: 1 Upgraded event, tx 0xb458a0…, block 21818186, 2025-02-10. No additional Upgraded events identified in the subsequent 15 months. 90-day window (Feb 12 2026 to May 12 2026): 0 upgrades.
Sources #
- TxUSDf proxy upgrade tx — Feb 10 2025, only upgrade in protocol history0x48e855ec7ee3c988fb87f634085160b1151ae25df45913f8aeb0dd392d9a1186retrieved 2026-05-12
- sUSDf proxy upgrade tx — Feb 10 2025, only upgrade in protocol history0xb458a0e1de3702a106421e135633e2ce75912fcadf5dd07de36a0bce144c2208retrieved 2026-05-12
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 →