Questions and answers here and in General search on the Internet back in 2014, the boom of bitcoin mining, so now do not carry much value.
There are several servers of different capacity are idle and actually pay for them is by the power of the power supply and not the energy consumed. Why not. If you will miss out on some overseas VPN in bitcoins, that is good.
As furn business with cryptocurrency exchanges, ie if the website accepts payment in bitcoin and litecoin I have Mein, will normally to exchange them and pay. Does it make sense to suffer with this stuff.