In China , they are discussing a limitation or a complete ban on investments in cryptocurrency mining. Perhaps this is another step towards the introduction of an official digital currency. The journalists found out that the struggle of the Chinese authorities with cryptocurrencies could expand – up to a complete ban on mining. According to Reuters, the country has added crypto mining to its “negative list” project, which restricts or completely prohibits investment in the industry by both Chinese and foreigners. Potential investors will need to obtain special permission from the authorities. Bitcoin .com notes that the China Development and…