I remember years ago getting mysql, php, nginx, dovecot, postfix and horde to work together to get ActiveSync to my android. Took a long time and lots of reading but in the end it felt great. Then a week later a horde update broke it.
In hindsight it's probably better to spend the money on a hosted solution.
Just an anecdote of mine. I'm sure there was plenty of drug use in other provinces but my personal experience was in the Helmand. I try not to talk about other places and units I don't have experience in.
Wow I didn't know it turned out so bad. Even then reddit isn't much better either. Damn the internet has turned into a cesspool or maybe I don't remember it was a cesspool 20 years ago too.
It can be done easily. I would say it will be done in the future by governments and forced on us. The amount of control a government would have with a forced cryptocurrency is the only problem I see.
I think bitcoin and others are way beyond being a currency or commodity. We should think of it as an entirely new kind of asset that needs new definitions and theories. People are trying to fit this new tech in their old definitions or theories and it's not working.