pbThe first, foundational book on blockchain technology, from the bestselling author of iWikinomicsi Don Tapscott and blockchain expert Alex Tapscott, now in paperback with a new preface and chapter explaining recent developments in the world of blockchain, including cryptoassets, ICOs, smart contracts, and more.b p biThis book has had an enormous impact on the evolution of blockchain in the world.i br--Satya Nadella, CEO, Microsoft Corporationb pIn this revelatory book, Don and Alex Tapscott bring us a brilliantly researched, highly readable, and essential book about the technology driving the future of the economy. p Blockchain is the ingeniously simple, revolution-ary protocol that allows transactions to be simultaneously anonymous and secure by maintaining a tamperproof public ledger of value. Though it's best known as the technology that drives bitcoin and other digital cur-rencies, it also has the potential to go far beyond currency, to record virtually everything of value to hum