e33io on Nostr: npub1l3gpk…qvu48 npub1cj22q…l2fze what's a practical use for this?npub1l3gpk6vrudg8r67swqlex5alv9ch59s4lw46kk6hekuxe2n3aczsyqvu48 (npub1l3g…vu48) npub1cj22qv2lhm4g5mgme49k33hz97pam08ca2nzapr8yhv4xyjgnmfs5l2fze (npub1cj2…2fze) what's a practical use for this?