All About Conversions Explicit conversion From address to Contract or Interface type: [] write content based on the following links: https://stackoverflow.com/questions/71041850/is-there-a-difference-between-casting-to-interface-and-to-a-contract-instance ethereum/solidity#12622 References Stackoverflow - Is there a difference between casting to an interface or to a contract instance? Explicit downcast does not work for inherited contracts/interfaces - Issue #12622 - Solidity Github