still merge-mined by btc pools 15 years in. keys → names via `name_new` / `name_firstupdate` / `name_update` on namecoin core; 222-day rolling renewals; ~0.005 nmc per name. amethyst does nip-05 over namecoin natively; verified pairs at http://6cbn4rskfdr647otej7gpqlmpqcmj723vg2eoeuu7ljbwu6cpdeboz...