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Building a Better Bitcoin

Harvard Business Review

Well, it''s worth whatever somebody will pay for a unit of the online currency, which as I write this is $209, up from $142 last Friday, $44 a month ago, and $4.93 This huge run-up — the latest spike began with EU''s botched rescue of Cyprus''s banks — has led to much talk of a bitcoin bubble. How much is a bitcoin worth?

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