https://twitter.com/BangBangClick/status/1319305553454288896
Edit: Oh wait, this gets even better. This dumbass was the creative director for Assassin's Creed 3 (you know, the shitty one that tanked the series for a while), and once said that "women are too hard to animate" as a justification for only having male protagonists: https://twitter.com/GenePark/status/1319363853021569025
Boink. I’ve heard it proposed for other services outside of finances. But honestly I am not that knowledgeable about it.
It's just a public leger tracking transactions with some extra verification really, there's not nearly as much magic around it as techbros would like to make you believe.