Uncontrolled is the sole virtue of "crypto" currency
There's no virtue in anonymity...people evolved to be the opposite of anonymous, in a fishbowl of gossip. Get used to it.
ANY regulation presents numerous problems. Whoever regulates monopolizes. (Voluntarily accepted standards are a different matter). Regulation also assumes that there is such a thing as legitimate government. There is not.
People forget that the idea of legitimacy whether of the voters or of the King has to do with avoiding the evil of civil strife, not with some sort of moral standing. Regulation which facilitates commerce, progress, etc. has its place...it's like a public road or a Defense Department. Those which secure rights, equality, and all manner of public protection for privately enjoyed things (caribou and snail darters come to mind) are just spoils of the system.
Anonymity is a tool to fight illegitimate (i.e. most) governmental activity.
CURRENCY ought to be about supporting trade. That means the value of it is not readily manipulated. Period. Governmental currencies by definition fail the test. Add ludicrous pension obligations to those governments, and we get a progress-stifling economy. An UNCONTROLED currency could take down ½ of this, and the loss of the ability to steal the pension funds from out of everyone’s pockets through inflation might curb the pensions. Who knows, with progress again enabled, robust pensions might again become affordable.
Gold tended to come and go as the balance between mined supplies and economic growth changed, but not all that much most of the time. The dollar or the pound were like that, once upon a time, but no more.
A bitcoin somewhere in the value range of $50.00usd to $250.00 USD would be in the ballpark for the actual value traditionally represented by dollars or pounds. The difficulty I believe lies in supporting a transition from an esoteric techie thing and speculative bubble and potential pay pal alternative, for which the total currency supply need not be large at all, to a currency base capable (as augmented by circulation velocity and the lenders’ magic of lending the same reserves more than once) of supporting the majority of the planet’s economic activity.
It’s hard to imagine how that transition could occur, without an intermediate step of coordination and control: back to the original central bank problem.