Author: Gennady Stolyarov II The recent meteoric rise in the dollar price of Bitcoin – from around $12 at the beginning of 2013 to several peaks above $1000 at the end – has brought widespread attention to the prospects for and future of cryptocurrencies. I have no material stake in Bitcoin (although I do accept donations), and this article will not attempt to predict whether the current price of Bitcoin signifies mostly lasting value or a bubble akin to the Dutch tulip mania of the 1630s. Instead of speculation about any particular price level, I hope here to establish a principle pertaining to the purchasing power of cryptocurrencies in general,…