Cool little idea. I certainly would not be placing all my eggs in that particular basket for one's end of days plans. We still don't know how long crypto's legs are. There might be some epic implosions just before it's time to put your feet up, or several in the meantime.
I'd rather keep my bitcoins now considering how much I paid for them. I also studied the protocol and made a big bet with my career, so far so good. I'm playing my cards in this very difficult battle