1. On bitcoins and red balloons;Babaioff,2012
2. On the private provision of fiat currency;Berentsen;Eur. Econ. Rev.,2006
3. Untraceable electronic cash;Chaum,1990
4. Crypto Currencies: The Bitcoin Phenomena;Coats,2014
5. The cost of transacting;Demsetz;Q. J. Econ.,1968