[2014-07-25] What is Bitcoin mining - and how does it work?

[epere]

http://www.telegraph.co.uk/finance/currency/10987850/What-is-Bitcoin-mining-and-how-does-it-work.html

 Bitcoin is a virtual currency, or “cryptocurrency”, that first appeared on the radar in 2009 after an anonymous creator “buried” 21 million coins online.

Bitcoin mining is the complicated process through which new Bitcoins are made.

[roslinpl]

Mistakes in 1st paragraph

Like OP quoted also :
"Bitcoin is a virtual currency, or “cryptocurrency”, that first appeared on the radar in 2009 after an anonymous creator “buried” 21 million coins online."

...


So far as I know Bitcoin is a Digital Currency not a Virtual Currency...

http://en.wikipedia.org/wiki/Virtuality

Virtual currency are coins from Second Life

Bitcoin is not a Virtual Currency ...

Although its status as a currency is disputed, media reports often refer to bitcoin as a cryptocurrency or digital currency.