【Private Currency】
China’s largest private currency is Tencent Q Coin. Q Coin can be used in Tencent’s ecosystem. You can use RMB to buy Q Coin, but you cannot use Q Coin to exchange for RMB. This is a private currency in itself. Business district currency.

【Digital Currency】
The difference between private currency and digital currency is that private currency is endorsed by a centralized institution, while digital currency does not have a centralized institution for credit endorsement and relies on mathematical algorithms.