"Learn about cryptocurrency (decentralized cash systems) and blockchain (the encryption to protect transactions). They are only a decade old, but are quickly becoming a key part of the future of finance"--
"What if you got rich overnight? Some who invested in bitcoin did. Through fascinating facts and vivid photographs, this title explores the constantly changing world of digital currency"--
"When Bitcoin was first released in January 2009, each digital coin was worth only a few pennies. A single Bitcoin is now valued at over ten thousand dollars. This book examines digital cryptocurrency and the blockchain technology that makes them possible."--