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GLASGOW, SCOTLAND - JANUARY 30: In this photo illustration, Scottish bank notes are placed on a table on January 30, 2014 in Glasgow, Scotland. The Governor of the Bank of England Mark Carney, said yesterday during a speech in Edinburgh, that an independent Scotland would need to give up some power to make a currency union with the rest of the UK work. (Photo Illustration by Jeff J Mitchell/Getty Images)
GLASGOW, SCOTLAND - JANUARY 30: In this photo illustration, Scottish bank notes are placed on a table on January 30, 2014 in Glasgow, Scotland. The Governor of the Bank of England Mark Carney, said yesterday during a speech in Edinburgh, that an independent Scotland would need to give up some power to make a currency union with the rest of the UK work. (Photo Illustration by Jeff J Mitchell/Getty Images)

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    What currency would Scotland use?

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What currency would Scotland use?

CNN's Nina dos Santos looks at what currency options would be available to an independent Scotland.

What currency would Scotland use?

CNN's Nina dos Santos looks at what currency options would be available to an independent Scotland.