It was not just that bug that decreased my confidence, but the lack of testing for the smart contract. Even the bug fix commit didn't have any unit tests. We'r

It was not just that bug that decreased my confidence, but the lack of testing for the smart contract. Even the bug fix commit didn't have any unit tests. We're talking about a type of smart contract that holds billions of dollars for store of value, not some rare edge case. Also for Bitcoin I myself was able to read and verify and understand the whole smart contract code base (a few hundreds of lines altogether in 1 file), which increased my confidence.