Fintech startups have long had trouble turning feel-good rhetoric into profitable growth. Competition is intense, consumers tend to want things for free, and dinosaur banks are far from extinct. To make matters worse, finance just isn’t as addictive as messaging or catching up with friends. That counts in an era where billions are made through monetizing attention. Enter, Bitcoin. Back ...

UK Prime Minister Theresa May’s long-awaited speech on Brexit last week was admirably frank, impressively argued — and about 18 months too late. As it is, the country’s choices remain now just as they were before her address to the nation: Britain either stops this process in its tracks, or must prepare itself for dire consequences. May was right to ...

Russia and Ukraine may be practically at war with each other, but they are joined at the hip by Ukraine’s gas transit system, business partners in one of the world’s biggest energy export channels. On February 28, the company that owns the Ukrainian system, Naftogaz Ukrainy, won a $2.56 billion verdict that ends a four-year arbitration fight in Stockholm. The ...