that means we often have to clean our browser right? This kind of problem often occurs in the various wallets going to the extension, but won't something like this be bad for the user?
Nope, I think just need to clean it once. Or use
https://ucap.finance to access the site. The reason behind that warning already stated by this guy. Looks like metamask was UNI token fans, because he really took care of it.
