I have tested pubky and wrote a small comparison post on the key differences of #nostr and #pubky.

I believe it is a good thing that both of them exists: we can't have too much of freedom tech.

nostr:naddr1qqxnzde4xgmnsdpnxyervdesqythwumn8ghj7un9d3shjtnswf5k6ctv9ehx2ap0qgs9zs7rw003k4y2wltea360yuj46y5md9d4yt0mt06rfx96fdgpm7grqsqqqa280w46jx