Logic can be simplified - https://github.com/Cyfrin/2024-07-ark-project/blob/273b7b94986d3914d5ee737c99a59ec8728b1517/apps/blockchain/ethereum/src/token/CollectionManager.sol#L126-L133 - l1Mapping
address can be returned without any checks
Please, do not suppose impacts, think about the real impact of the bug and check the CodeHawks documentation to confirm: https://docs.codehawks.com/hawks-auditors/how-to-determine-a-finding-validity A PoC always helps to understand the real impact possible.
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