You would have sold at $100 ;)
Yes, there was Bitcoin, however there are always millions of investment opportunities that may or may not pan out. Most don't.
I'd say just throw in some pocket change in places where you can afford to lose. You never know as the downside is nearly 0, the upside is in millions.
I did find a fractional BC on a thumbnail drive in an EOL software wallet for which I had long ago forgotten the password. So that could have happened too.