npub13f…5g0gc on Nostr: npub1gfdrr…x7gg6 How can you tell the difference?npub1gfdrrw9629qxwvwaa3vwnvzhtaqu2c5m9wf6vcwjnmdnhs7hl4jsux7gg6 (npub1gfd…7gg6) How can you tell the difference?