ERC-777/1155/721 hook without reentrancy guard
Circle USYC's assessment for RD-F-015 — scored not_applicable on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.
Evidence summary #
USYC is a standard ERC-20 token. No ERC-777 tokensReceived, ERC-1155 onReceived, or ERC-721 onReceived hook integration. Subscription and redemption use USDC (ERC-20), not a callback-bearing token standard.
Sources #
- EtherscanYieldCoin Implementation - EtherscanYieldCoin ABI confirms standard ERC-20 interface with no ERC-777/1155/721 callback hooksretrieved 2026-05-16
Methodology #
Determine whether the protocol integrates token standards with callbacks (ERC-777 tokensReceived, ERC-1155 onReceived, ERC-721 onReceived) without reentrancy guards on the affected functions.
See the full factor methodology and distribution across all protocols →
rubric_version v1.7.0 protocol circle-usyc factor RD-F-015 score not_applicable collected_at 2026-05-15 21:56:43