https://www.theregister.co.uk/2018/02/05/china_crypto_currency_crackdown/
origin - https://www.pipiscrew.com/2018/02/why-is-bitcoin-fcked-here-are-three-reasons-south-korea-india-and-now-china-clamps-down-on-cryptocurrencies/ why-is-bitcoin-fcked-here-are-three-reasons-south-korea-india-and-now-china-clamps-down-on-cryptocurrencies