Electronic money
The currency delivered in electronic form (deposit card, bank card, Alipay balance, etc.) that corresponds to the actual RMB one-to-one.
Virtual currency
It is only suitable for specific application scenarios, such as virtual scenarios such as QQ space.
Digital currency
Alternative currency in the form of electronic money. Including digital gold coins (corresponding to gold) and cryptocurrencies (not dependent on specific physical objects). At present, the central bank of any government has not stated that it wants to issue digital currency, and digital currency does not necessarily have a base currency and a central bank. Unlike the virtual currency in the virtual world, its value is affirmed so that it can be used for real goods and services transactions, not limited to online games. The early digital currency was a form of electronic currency named after the weight of gold.
Bitcoin
In view of the fact that the country has not yet allowed digital currency transactions, digital currencies such as Bitcoin are now generally called certificates, encrypted currencies, tokens, digital assets, etc.
references
https://zh.wikipedia.org/wiki/%E6%95%B8%E4%BD%8D%E8%B2%A8%E5%B9%A3 Digital currency