The Austrian theory is that this problem solves itself: 30 yr olds try to hide their money in "inflation-proof" non-fiat currencies for 50 years, and then when

The Austrian theory is that this problem solves itself: 30 yr olds try to hide their money in "inflation-proof" non-fiat currencies for 50 years, and then when they cash out they get a crash course in Supply and Demand -- all these BTC flooding the market and no one producing anything for sale drives the (nominal, BTC) price of everything up, so those BTC don't actually buy much anymore, and people have to go back work to make things for each other.