#4 Who did it

The concept was introduced in a 2008 paper by a pseudonymous developer known only as "Satoshi Nakamoto", who called it a peer-to-peer, electronic cash system. The processing of Bitcoin transactions is secured by servers called bitcoin miners. These servers communicate over an internet-based network and confirm transactions by adding them to a ledger which is updated and archived periodically using peer-to-peer filesharing technology.

#3 How to get it

The easiest way to get Bitcoins is from a Tokyo-based Mt.Gox, which is also the largest Bitcoin exchange. You can create an account and start buying Bitcoins using your own currency in a few minutes. The website will display an exchange rate along with a chart with historical exchange rates. To check the current value of your Bitcoins agains your own currency, you can log on to Preev.com. Currently 1 BTC is equivalent to Rs 6,491.

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