Bloomberg Getting your head around cryptocurrencies was hard enough before governments got involved. But now that policy makers around the world are drawing up fresh regulations on everything from exchanges to initial coin offerings, keeping track of what’s legal has become just as daunting as figuring out which newfangled token might turn into the next Bitcoin. The rules can vary …

Bloomberg India is selling a controlling stake in its flagship carrier along with two-thirds of the loss-making airline’s about $7.8 billion debt, as Prime Minister Narendra Modi moves ahead with the nation’s most high profile asset sale in decades. The government will sell 76 percent of Air India Ltd., according to a document uploaded on the civil aviation ministry’s website …

Bloomberg China Southern Airlines Co., Asia’s biggest carrier by fleet size, said profit jumped to a record on the back of a stronger yuan and as the state-owned carrier focussed on profitable domestic routes. Net income rose 18 percent to 5.96 billion yuan ($950 million) in 2017 while revenue rose 11 percent to 127 billion yuan, the Guangzhou-based airline said …