There is a sudden rise and rush in the cryptocurrency world. This book is a quick guide for a dummy/beginner. It simplifies the complexities that scare beginners from delving into this new world of crypto-currency. Bitcoin in 2021 with a market capitalization of over 600 Billion United States Dollar, is already bigger than the revenue of several fortune 500 companies, and even some countries' Gross Domestic Product. A Bitcoin currently trades at over...