I will pick for future purpose. I have so much in plan. I'm not a gambler so it's not for fun for me.

Both of them, since i felt so fun to mine and hold btc. I hold btc also for future purpose, i hope btc will have higher price and i also can mine/hold lot of bitcoin

It's both.  I find Bitcoin interesting as a new idea which I believe will become more popular over time so it's great that a hobby can make money in itself.  But of course I think that when Bitcoin is more popular and is adopted in stores I'll spend it more (of course I will spend it in places that accept it, but that's not many).  You could also even view that future purpose as being fun - money might not buy happiness, but to some extent it does, especially when it's as convenient as Bitcoin.

Bitcoin could be so great for traveling and that would be fun.  Imagine going around the world, not having to convert into any local currencies, only having to take your phone with you and you could pay for anything.  So the future purpose could even be fun in itself.

I also save my bitcoin for the future. How not very potential future bitcoin I do not want to miss it. So I keep some bitcoins to store until the future

from now I didn't earn but i started to join campaign and hopefully my signature will be a success..
about your topic I guess I wiill save it for my future because I am now still study and I need to pay my tuition thats it

I did not keep it for too long, if the price was stable, I immediately sold, then I spent my daily shopping, so no need to wait too long to shop, because I could not stand it, and also the urgent daily needs made me think twice hold him back.