What do you think about having an option to whitelist websites domains, so the user gets a warn if they interact with a dapp that’s not whitelisted. This doesn’t need to be for all user, but the user might choose to have this layer of security if desired.
there are a lot of fake sites trying to impersonate web3 companies, the most well known issue is with the google search adds.
Personally, that sounds too much like a centralized source of power, and how things could go wrong.
However, you might find the conversation in this thread interesting. It leans to what you’re looking for but on a more decentralized level. Check out what Dan Finlay shared in the post, think you’ll like it: