It's not verification in the same manner. It's just a way to give your public key a human readable format. You can verify that a website domain points to a public key.
It’s a purple check to verify that your name is legitimate. You register with a service like nostrplebs.com so no one can steal your exact name. The people hosting make a small upfront fee. Not sure the long term economics of it. nostr:npub18ams6ewn5aj2n3wt2qawzglx9mr4nzksxhvrdc4gzrecw7n5tvjqctp424 would have a better answer to this.
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Ty sir