Signed/unsigned arithmetic confusion
Lido's assessment for RD-F-018 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.
Evidence summary #
Lido.sol (0.4.24) uses SafeMath library for arithmetic. Solidity 0.8.x contracts have built-in overflow protection. No signed/unsigned confusion finding in any audit summary for core contracts.
Sources #
- URLLido.solhttps://github.com/lidofinance/core/blob/master/contracts/0.4.24/Lido.solretrieved 2026-04-28
Methodology #
Determine whether signed-integer conversions or comparisons where unsigned was intended exist in the deployed bytecode/source.
See the full factor methodology and distribution across all protocols →
rubric_version v1.7.0 protocol lido factor RD-F-018 score green collected_at 2026-04-28 13:58:42