Did you see this? https://1l0.github.io/hexpattern/
Well the pubkey color didn't help here.
Its not really meant to prevent impersonators, its more of a cool theme thing
But that means in going to need to add some other way to show who is the real nostr:npub1l2vyh47mk2p0qlsku7hg0vn29faehy9hy34ygaclpn66ukqp3afqutajft
I think the solution will involve usernames :)

Discussion
Opened it on chrome and Firefox on mobile and it just shows a white page :(
That's sad news for me. I meant this.