The Bitcoin is a new and very interesting concept for Internet payment. It is cyber money with self limited quantities. I can be used like cash and there are already thousands of companies accepting Bitcoins. When it comes to purchase in the internet bitcoins are similar to cash money. They can be purchased, used to buy or sell, further used or converted back into real money. They are much cheaper to use than some of the existing payment tools in the internet and they are totally anonymous like cash.

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you may find more information on bitcoin.org

Also this clip is very informativ

So its an interesting new development worth trying for easier internet payment.