Amir Taaki
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Bitcoin developer Amir Taaki on the ideology behind the virtual currency

4 February 2014 Last updated at 19:56 GMT

One of the entrepreneurs at the forefront of the Bitcoin phenomenon is 25-year-old British computer software developer Amir Taaki.

His latest project allows people to store and use their Bitcoins without a trace.

He explained the ideology behind the virtual currency.