Bitcoin is trading at an all-time high for the first time in more than three years. A single coin US:BTCUSD went for as much as $1,206.60 on Friday, according to the CoinDesk Bitcoin Price Index, surpassing the previous high of $1,165.89 reached in November 2013. The run-up in price has been driven in part by speculation that the Securities and Exchange Commission could soon authorize the creation of the first bitcoin-focused exchange-traded fund. Its ruling about whether to allow the creation of the Winklevoss Bitcoin Trust, one of three proposed ETFs, is expected by March 11. Spencer Bogart, a bitcoin analyst at ... (full story)