Stale-approval exposure on deprecated router

Veda (BoringVault)'s assessment for RD-F-168 — scored gray on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

Old Teller 0x5c135e8eC99557b412b9B4492510dCfBD36066F5 listed as 'still active' per ether.fi docs — not formally deprecated. If still active, stale approval concern is moot (not deprecated). Allowance scan pipeline not implemented for this assessment.

Sources #

Docs
ether.fi Liquid ETH Yield Vault — old Teller still activeether.fi gitbook ETH Yield Vault: Old Teller 0x5c135e8eC... listed as still activeretrieved 2026-05-17

Methodology #

Count the number of active user approvals (ERC-20 `allowance`) to deprecated router or protocol contracts.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol veda factor RD-F-168 score gray collected_at 2026-05-17 12:41:22