“The Rise and Fall of Bitcoin” – Wired | $2.37

Beyond the most hardcore users, skepticism has only increased. Nobel Prize-winning economist Paul Krugman wrote that the currency’s tendency to fluctuate has encouraged hoarding. Stefan Brands, a former ecash consultant and digital currency pioneer, calls bitcoin “clever” and is loath to bash it but believes it’s fundamentally structured like “a pyramid scheme” that rewards early adopters.

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