That's why I choose to bank in the real world. We can argue about if paper money is real, sure, but it does have an agreed-upon value that makes it so. I can walk into the local bank, write a check, and they will give me cash.
That's a big difference. Money has a real-world manisfestation. Bitcoins do not, unless you find someone who will trade a bitcoin entry for real goods.
At least with the tulip ponzi scheme of old, when it collapsed, some people had very pretty flowers.
Until you can't. For whatever reason.
Granted, I am referring to extraordinary, unlikely circumstances here but not out of the realm of possibility these days.
Liberals are of course too economically illiterate (OK - I'll accept stupid, too) to ever comprehend even the above basic fact.
One last thought - the points in the first paragraph above are not mine - I think they came from my favorite economist, Dr. Walter Williams. Even if they didn't, I want him to have credit.