That’s not completely different than how Clearplay worked. It was a specialized DVD player that you plugged in a flash drive, which contained data to automatic

That’s not completely different than how Clearplay worked. It was a specialized DVD player that you plugged in a flash drive, which contained data to automatically censor the movie on the fly, e.g. putting a bra on Kate Winslet in Titanic during the painting scene. It appears that it’s still around and does stuff on top of streaming applications.