Stale-approval exposure on deprecated router

PancakeSwap's assessment for RD-F-168 — scored yellow on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

veCAKE deprecated May 2025 with redemption window until October 2025. MasterChef V1 legacy but still operational. Router V2 still widely used. Significant historical user approvals to legacy V1 and V2 contracts expected given 5+ year history and large user base. Specific approval count not enumerated but structural yellow expected.

Sources #

Etherscan
MasterChef V1 — BscScanBscScan MasterChef V1 0x73feaa1eE314F8c655E354234017bE2193C9E24E — legacy but activeretrieved 2026-04-28
URL
PancakeSwap Tokenomics 3.0Chainplay — Tokenomics 3.0 veCAKE sunset; redemption window Oct 2025retrieved 2026-04-28

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 pancakeswap factor RD-F-168 score yellow collected_at 2026-04-28 19:10:57