Website of Bitcoin exchange Mt. Gox offline (Update)

(AP)—The website of major bitcoin exchange Mt. Gox is offline Tuesday amid reports it suffered a debilitating theft, a new setback for efforts to gain legitimacy for the virtual currency.

Beyond Bitcoin—The power struggle over trust-based technology

Technology blogs and financial news networks are buzzing about blockchain, a cryptographic, distributed trust technology. The key innovation is how it reduces the need for central third-party institutions to serve as central ...

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