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 PuĂ©rtolas 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.