Check out nostr:nprofile1qqsyhuarzduzmj2hdus7lvaa84snslgdtyfs2gs8aypsdf6pha4004gpzfmhxue69uhhwmm59e6hg7r09ehkuegpzpmhxue69uhkummnw3ezuamfdejsvnu083 I dunno if it was Nostr only but they made a pretty good Bitcoin merchant list site