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How can Bitcoin become a real currency if it's not used in transactions? And why would anyone use it in transactions if becoming a real currency offers so much more price appreciation? This contradiction is a core problem, and it's a reason why it's probably doomed to fail (real currencies don't have this issue, since central banks prevent rapid price appreciation, and they mandate that the currency be used).
Read more: http://www.businessinsider.com/if-you-believe-in-bitcoin-you-should-never-buy-anything-in-bitcoin-2013-11#ixzz2kM39YlIJ

