It’s a world of big promises, big personalities and, lately, big failures that can seem inscrutable and often ridiculous. But cryptocurrency has moved into finance, tech, even sports arenas. And according to Bloomberg Businessweek, it demands to be understood. This week the magazine has dedicated an entire issue to what it calls “The Crypto Story: Where it came from, what it all means, and why it still matters.” Marketplace’s Meghan McCarty Carino speaks with Bloomberg opinion columnist Matt Levine, who wrote the article. He says crypto and the blockchain technology behind it started as a reaction to traditional banking, which, of course, relies on trust in institutions.