BEIJING – China’s own digital currency has taken a step towards greater use by foreigners, with an update to the official e-CNY app in late September to accept Visa and Mastercard payment options, but overcoming privacy concerns remains an uphill task. Users no longer need to have a Chinese bank account to top up their balances in the e-CNY smartphone app developed by the central bank. The app can be used for retail payments in a programme piloted in cities such as Beijing, Shanghai and Tianjin. With this, e-CNY is now as easy to use as the two dominant e-wallets…