Bitcoin and other cryptocurrencies came under intense selling pressure on Friday, as concerns over a tighter global regulatory atmosphere chopped more than $100 billion off the market in a day. Bitcoin BTCUSD, -14.42% was most recently changing below the $8,000 level at $7,913, down nearly 13%, according to research and news site CoinDesk.com. Elsewhere in the virtual-currency universe, Ether coins on the Ethereum blockchain sank 17.31% to $860.31, Ripple coins tumbled 24% to 73 cents, and Litecoin slid 18% to $117.61, according to CoinDesk. In just 24 hours, the global cryptocurrency market has lost around $103 ... (full story)