Blockchain networks are currently among the most talked-about 21st-century breakthroughs, with implications much broader than the finance industry. While the term "blockchain" often gets lumped together with cryptocurrency, its potential uses range all the way from supply chains to healthcare, education, voting systems, and so on. To truly understand how blockchain networks are changing our ways of thinking about trust, information, and the transfer of value, we need to analyze their underpinnings, how they work, and the evolving dynamics of Crypto Rules that govern them.