China has rolled out a pilot version of an app that allows users to store and pay with digital yuan, also known as e-CNY, as reported by the South China Morning Post. And no, the digital yuan isn’t a cryptocurrency — it was developed by the People’s Bank of China (PBOC) to replace banknotes and coins; thus, it isn’t a decentralized form of payment, nor will it operate on the blockchain. Although it might sound like we already pay with digital cash when we use a credit card or an online payment service like PayPal and Apple Pay, the digital…