Bitcoin, Ethereum, and other cryptocurrencies. Gain an understanding of a broad spectrum of Bitcoin topics including the history of Bitcoin, the Bitcoin blockchain, and Bitcoin buying, selling, and mining. Learn how payments are made, and how to put a value on cryptocurrencies and digital tokens. Blockchain technology. What exactly is a blockchain, how does it work, and why is it important? The Basics of Bitcoins and Blockchains answers these questions and more.