Bitcoin is attracting attention as a wildly volatile, all-digital currency. How are criminals taking advantage of it? How bitcoin addict an investment is it? In this Bitcoin explainer, WSJ’s Jason Bellini has “The Short Answer.

ID”:3,”column”:null,”description”:”Bitcoin is attracting attention as a wildly volatile, all-digital currency. 2018 8:41AM”,”description”:”At least 70 people, including university students on a tour, were injured after a mezzanine walkway at the Indonesia Stock Exchange crumbled during lunch hour in the building’s busy lobby. 2018 6:38AM”,”description”:”An Iranian oil tanker exploded and sank after burning for a week following a collision with a cargo ship. Reports from Chinese state media say oil has spread to cover several square miles, raising environmental concerns. Sabina Puértolas had just three hours rehearsal before her performance. 2018 12:17PM”,”description”:”An adorable robot dog, a TV that could fill up a wall, a car whose entire dashboard is a touch screen. WSJ’s Joanna Stern went on the hunt for the most exciting and unusual products at this year’s biggest tech show.

Is Amazon Going to Rule the World? 23F6CE12-D9F4-4E7D-A2DC-F85054F4C475″,”name”:”Is Amazon Going to Rule the World? 2018 6:30AM”,”description”:”Amazon wants to deliver everything you want to your doorstep, anywhere in the world. But the e-commerce giant faces several challenges in its pursuit of a global empire. WSJ’s Karan Deep Singh breaks down the basics with the help of an Amazon delivery box. 2018 2:04PM”,”description”:”Robots are on the verge of an evolutionary leap, where they get bigger and smarter — more C-3PO, less R2-D2.