defirisk.co
rubric v1.7.0

Stale-approval exposure on deprecated router

BlackRock USD Institutional Digital Liquidity Fund (BUIDL)'s assessment for RD-F-168 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

BUIDL's transfer restrictions enforce that only whitelisted wallets can hold BUIDL. Standard ERC-20 stale approval risk is structurally mitigated. No deprecated BUIDL router identified.

Sources #

  • Etherscan
    https://etherscan.io/address/0x7712c34205737192402172409a8f7ccef8aa2aec#coderetrieved 2026-04-26

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 blackrock-buidl factor RD-F-168 score green collected_at 2026-05-12 09:40:42