
Digital currency (digital money, electronic money or electronic currency) is a type of currency available in digital form. This is in contrast to physical, such as banknotes and coins. It exhibits properties similar to physical currencies, but can allow for instantaneous transactions and borderless transfer-of-ownership. Examples include virtual [...]

Coronaviruses are a group of viruses that cause diseases in mammals and birds. In humans, coronaviruses cause respiratory tract infections that are typically mild, such as the common cold, though rarer forms such as SARS, MERS, and COVID-19 can be lethal. Symptoms vary in other species: in chickens, they cause an upper respiratory tract disease [...]

China, officially the People's Republic of China (PRC) is a country in East Asia. It is the world's most populous country, with a population of around 1.4 billion in 2019. Covering approximately 9.6 million square kilometres, it is the world's third or fourth-largest country by area. Governed solely by the Chinese Communist Party (CCP), the state [...]