What is The Last Jedi’s “bio-hexacrypt” and what does it have to do with Finn?

John Boyega revealed a gift from Rian Johnson on his Instagram, and a The Last Jedi hint – of sorts. The illustration expresses Boyega’s “frustration with the most complex Star Wars lingo.” So what could a bio-hexacrypt be, and what does it have to do with Finn? Tumblr user Bripenguin13 has a degree in cell biology and one (possible) explaination.

Meanwhile, if you’re still poking at The Last Jedi title, Johnson has an answer. (And more.)