Indeed, @J1 Pelaez says he'll soon be expanding the functi…

Indeed, @J1 Pelaez says he'll soon be expanding the functionality to allow creators to upload both the front and back of their cards.
He's also considering allowing creators to upload gifs, videos, and HTML files for the back.
However, as you say, these "Steganordinals" are currently very limited, as they can only be revealed using @3dordi . This will likely be a challenge going forward.
https://app.treechat.com/p/45aae952-3b50-473a-911c-9afaa09e0eee