ChatGPT is exceptional at finding bugs without requiring any meaningful additional context beyond the source code. This makes it an excellent first place to start your testing journey.
One of the first things you learn as a smart contract coder is that contracts are extremely unforgiving when it comes to vulnerabilities. Contracts are immutable by default. At the same time, they’re capable of handling extraordinary amounts of money. This makes security (and smart contract testing) arguably the biggest concern for any team of web3 developers.