Reports continue to show Chinese investors increasingly investing in bitcoin as the yuan devalues; over 90% of bitcoin trading has been reported by Chinese investors and the cryptocurrency’s price is showing close correlation with the value of the yuan; Chinese regulation limiting foreign investment to $50,000 per year in order to stabilize the currency appears to be a factor as wealthy Chinese investors use bitcoin investment to evade the regulation since it is considered a borderless investment; while China appears to be a driving force for the currency’s gains, experts also believe improved trading efficiencies and solutions for bitcoin are also factors for its recent appreciation. Source