http://www.********/investing/general/2014/03/14/3-reasons-why-bi...

http://www.fool.com/investing/general/2014/03/14/3-reasons-why-bitcoin-isnt-the-new-gold.aspx


1. Security issues

2. Riskier than U.S. dollars or gold

3. No underlying value

http://cryptosource.org/bitcoin-mining-is-it-still-profitable/

"With Bitcoin’s mining difficulty going through the roof, you do have to wonder with all these different ASIC’s and FPGA’s about to launch, is it still profitable to continue mining? Would it still be profitable in the future? These are questions you need to ask yourself before purchasing any mining hardware, be it ASIC’s, FPGA’s or mining contracts."