01805nam a2200205   4500001000700000010001800007100004100025101000800066200011100074210006500185215002000250300004900270330116200319606001801481606001301499606003001512606001601542700002101558701002001579393888  a9781137506429  a20160506d2016       y0pory50      ba  apor  aBeyond bitcoinbRecurso eletrónicoethe economics of digital currenciesfHanna Halaburda, Miklos Sarvary  aHoundmills, Basingstoke, HampshirecPalgrave Macmilland2016  a1 CD-ROMd12 cm  aFicheiro de 0,99 MB em formato PDF (192 p.).  a1 Introduction. 2 Medium of Exchange: Ever-Present Competition. 2.1. The Medium of Exchange—Historical Overview. 2.2. What Roles Does Money Serve? 2.3. Competing Money. 2.3.1. Coexistence Is Costly. 2.3.2. Network Effects. 2.3.3. The Difficulty of Introducing New Currency: Excess Inertia. 2.3.4. Coexistence of Various Currencies. 2.4. Virtual Money? 3 Platform-Based Currencies. 3.1. Special Currencies of the Off-Line World. 3.2. Platform-Based Currencies in the Digital Era. 3.2.1. Online Video Games and World of Warcraft Gold. 3.2.2. Virtual Worlds and Linden Dollars. 3.2.3. Social Networks and Facebook Credits. 3.2.4. Promotion Platforms and Amazon Coins 3.3. The Future of Platform-Based Currencies. 4 Cryptocurrencies. 4.1. The Double-Spending Problem. 4.2. How Does Bitcoin Work? Brief Overview. 4.3. Not the First One—Predecessors of Bitcoin. 4.4. New Challenges. 4.5. Competition against Other Cryptocurrencies. 4.6. More than Just a Currency. 4.7. Trading Cryptocurrencies. 4.8. How Do Cryptocurrencies’ Attributes Compare with Earlier Money? 4.9. Competition against State-Issued Currencies. 5 The Road Ahead. Notes. References. Index.  aMOEDA VIRTUAL  aINTERNET  aTRANSACÇÃO FINANCEIRA  aREDE SOCIAL  aHALABURDAbHanna  aSARVARYbMiklos