What is Blockchain. . .

And why should you care about it?

Because it is the biggest revolution in the tech world since the invention of the internet itself.

Blockchain Revolution: How the Technology Behind Bitcoin Is Changing Money, Business, and the WorldKindle Edition

Digital Gold: Bitcoin and the Inside Story of the Misfits and Millionaires Trying to Reinvent Money

Smart Contracts: How to Use Blockchain Smart Contracts for Cryptocurrency Exchange Kindle Edition

These are my two favorite introduction on blockchain and bitcoin.