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Summary
The most critical subjects covered in our audit are asset solvency, functional correctness, and access control. The general subjects covered are fee handling, event handling, gas efficiency, and upgradeability. Several Possible Gas Optimizations exist that would increase gas efficiency. Furthermore, the implementation of EIP-4626 can be improved: EIP-4626 Non-Compliance. All other mentioned subjects show a high level of security.
In summary, we find that the codebase provides a high level of security.
It is important to note that security audits are time-boxed and cannot uncover all vulnerabilities. They complement but don’t replace other vital measures to secure a project.
About Circle Perimeter smart contracts
Circle implements Perimeter, which can be used as on-chain infrastructure to facilitate the operations of loans that are secured off-chain. This includes custody and transfer of lender’s funds, interest payments, and fee handling.
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