That's exactly what it is. If my address is in your value block, you're featured. The random is so everyone gets a fair shake at being at the top. The guys in the featured are the most bad ass artist.
Discussion
I remember nostr:npub1n56w0rk2p7y7k09tr0j44qzkr6pnw63ql04m70cxvuk3tzv4ga3q2u00wx being there forever and we having no idea who he was.
