Remember the dawn of the internet or the advent of mobile computing and social media? Yet another digital revolution is now underway. Like its predecessors, blockchains are about to transform the way we live, work, and play, while disrupting entrenched industries and shattering conventional business models.This practical guide takes you past the hype to show you exactly what blockchains do and how they’re poised to change our world. Author Alison McCauley explains how blockchains provide an open, distributed ledger for recording transactions in a verifiable and permanent way.