A blockchain is a shared digital register of recorded data. For cryptocurrencies, this is the transaction history for every unit of the cryptocurrency, which shows how ownership has changed over time. Blockchain works by recording transactions in ‘blocks’, with new blocks added at the front of the chain.
While Bitcoin tumbled, Ethereum was heavily rejected on Oct. 21 as it approached its mid-May all-time high at $4,380.

Sorry I wasted time on this, I don't do many reviews but just could not take another add. Threw the book away. Wasn't a bad book. Although I felt she wanted you to jump all through the book by suggesting jumping from one section to the next. Also I felt like I was reading a investing book written for feminists. Women have been in business for years, we get it. YOU CAN DO IT Better organized, better edited, better info. Current and best of 4 books I've read on Crypto. Admittedly, I've only read about 1/2 of book so far, but this is the one I would recommend over others. I would also add it is the BEST Dummy's book on the subject! This is what the the first Dummy's book should have taken the time and researched to become. The earlier Dummy's book read like an anthology created by committee rushing to get their book to market for $$$, and not for being thoroughly researched, non-redundant, and a value to the reader. The previous Dummy's book on crypto was the worst Dummy's (I've read 8) book I have read. This was among the best. Each time the author approached any subject there was a characteristic avoidance of substance. If you want to read the same tired, knowledge-vacant text then this book is for you. For everyone else, this is a waste of time. As a crypto newbie, I've been grateful to get cryptocurrency info from Kiana via her articles, her YouTube interviews and her website InvestDiva.com. I'm now thrilled to have Kiana's detailed cryptocurrency advice and step-by-step training in book form! Crypto can be a confusing topic, but Kiana breaks it down the way she always does: simply, easily, and with a sense of fun! Purchase this book today with complete confidence - the author is intelligent, informed, and does a great job explaining things for beginners. This is a great book for anyone who wants to understand the cryptocurrency market and the investment process. The book also goes into great details of comparison between cryptocurrency and other assets such as stocks, forex, and precious metals so that you can choose the best ones for your portfolio. It explains the risk management techniques and technical analysis methods needed to create an investment strategy based on one's unique risk tolerance. The author's sense of humor throughout the book is also a bonus! I didn’t know anything about cryptocurrency or investing... this book is a perfect start and opened my eyes to so many opportunities. Very easy to understand everything from how cryptocurrencies work, Blockchain technology, Risk management, investing and trading strategies, and how to actually start getting involved. Why does someone read a book about cryptocurrency investing? Learn how to trade or go to the author's links to pay more and learn what the book advertises almost on every page.
Some investors have predicted even bigger gains for Bitcoin, despite continued criticism of the cryptocurrency by JPMorgan Chase (JPM)CEO Jamie Dimon, who has called the coin "worthless."