Russia became the third largest Bitcoin mining company in the world after the USA and Kazakhstan The shares changed after the volume of cryptocurrency mining in China fell to zero. Due to bans in the country, the largest Chinese miners have moved to Central Asia and North America. The United States accounts for the largest share of mining in the world - about 35.4% as of the end of August. In second place is Kazakhstan (18%), in third place is Russia (11%), Reuters reports, citing a study by experts from the University of Cambridge.