Cryptography software built with emojis would probably the final straw to me burning down my career, destroying every computing device I own, buying a shrimp boat, and living out my days at sea with a Lieutenant Dan stand-in by my side, wistfully remembering the good times when the computing world made sense as Bud Light finds its way down my jaded, cynical throat.

Put it on a .io domain for bonus points.

Hey, hey, if that nonsense would appear in my XMPP client I'd really feel the urge do to the same. But aren't we're talking about modern popular messaging apps here?

If those only'd be international, I'd seriously propose key fingerprints based on animated meme-filled "gifs". Because that's what the common audience understands (or at least my impression is so). Not some weird-looking strings of meaningless digits and letters.