https://www.reuters.com/article/crypto-currency-china/chinas-top-regulators-ban-crypto-trading-and-mining-bitcoin-tumbles-idUSKBN2GK0Q9 >SHANGHAI/LONDON (Reuters) -China's most powerful regulators on Friday intensified the country's crackdown on cryptocurrency with a blanket ban on all crypto transactions and mining, hitting bitcoin and other major coins and pressuring crypto and blockchain-related stocks.