16. Satoshi disappeared without warning. Cats are masters of the Irish goodbye.

17. Leaves cryptic messages that are impossible to interpret—just like cats knocking things off shelves for no apparent reason.

18. Both Satoshi and cats prefer to observe silently from the shadows, leaving us to wonder about their true intentions.

19. Communicates sparingly but effectively—often with just a look (or in Satoshi's case, a post).

20. Possibly immortal. Cats have nine lives, after all.