Fortunes have been made with cryptocurrencies... and lost... and made again. What is this all about? What are cryptocurrencies? How do they work? And what's the point anyway? Don't we already have real money? Why are people spending real cash to buy cryptos? Is it just a scam, a bubble, a get rich quick scheme, or a valid innovation? And the big one: if there is money to be made, how do I get started? How can you trade in cryptos?This book will give...