I think that in order to distinguish fake accounts and real accounts, noster clanites can show something like this in the user profile section:

nip05=2 first pubkey letters.. 2 last pubkey letters

for exsmple my npub is:

nostr:npub155awg2vaen0vhd2spndg0f03wljewcp8gwd4d2kuhs8xpdq67tmsj39j44

then:

saeed@getalby.com = 15..44

nostr:nevent1qqswh403py6vjjd82v63t2u7kphwepu08y2s8kc08eynl3f8l6n99tqpzpmhxue69uhkummnw3ezuamfdejsygqzdk9hu77v9dqh4p83pmdhrdp8lemqdxg9py93g76qrfk0vrplyupsgqqqqqqs3fuk6t

nostr:nevent1qqstlax8h9ndq8wakvvwwqqzghqmwnweddjmj2kgar0ua55av4zwlmcpr4mhxue69uhkummnw3ez6ur4vgh8wetvd3hhyer9wghxuet5qgsqymvt0eauc26p02z0zrkmwx6z0lnkq6vs2zgtz3a5qxnv7cxr7fcrqsqqqqqp33hnuj