Mixed-decimals math without explicit scaling

OpenEden's assessment for RD-F-017 — scored gray on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

TBILL vault handles USDC (6 decimals) and vault shares. Decimal mismatch arithmetic is plausible in ERC-4626-style vaults. Hacken Nov-2024 did not flag mixed-decimal issues in V4. V5 unaudited. Cannot confirm without source review or Slither run.

Sources #

Audit
Hacken Security Audit — OpenEden Vault Nov-2024Hacken Nov-2024 — no mixed-decimal finding in V4retrieved 2026-05-16

Methodology #

Determine whether shared numerator/denominator arithmetic operates over tokens with different decimals without WAD/RAY normalization or explicit decimal-adjustment.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol openeden factor RD-F-017 score gray collected_at 2026-05-16 10:11:45