Before revision: We apply quantitative finance methods and economic arguments to cryptocurrencies in general and bitcoin in particular -- as there are about 10,000 cryptocurrencies, we focus (unless otherwise specified) on the most discussed crypto of those that claim to hew to the original protocol (Nakamoto , 2009) and the one with, by far, the largest market capitalization.
After revision: We apply quantitative finance methods and economic arguments to cryptocurrencies in general and bitcoin in particular -- as there are about 10,000 cryptocurrencies, we focus (unless otherwise specified) on the most discussed crypto of those that claim to hew to the original protocol (Nakamoto 2009) and the one with, by far, the largest market capitalization.