Chinese food delivery and local services giant Meituan has expanded the way that China's digital yuan can be used on its platform to make purchases. It is another sign of technology companies helping to promote China's digital fiat currency as the country's central bank looks to increase the number of people using it. Users can download the digital yuan, or e-CNY app, and link it to their Meituan app. From then on, they can use the digital currency to pay for everything from movie tickets to taxis and hotels. Meituan had more than 660 million transacting users who used its...