defirisk.co
rubric v1.7.0

New ERC-20 approval to unverified contract from whale

USDD (Decentralized USD)'s assessment for RD-F-096 — scored gray on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

ERC-20 approval monitoring for unverified contracts requires live event stream monitoring. TRON-side TRC-20 approval model differs and reads are blocked. Ethereum-side USDD ERC-20 v2: no flagged large-user approval to unverified contract in accessible public Ethplorer data. T-09 phase-2 signal.

Sources #

  • URL
    USDD ERC-20 v2 EthplorerUSDD ERC-20 v2 contract Ethplorer — public approval events visible but live monitoring not wiredretrieved 2026-05-17

Methodology #

Detect whether a top-TVL depositor grants a new token approval to an unverified contract that interacts with this protocol.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol usdd factor RD-F-096 score gray collected_at 2026-05-17 11:34:18