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Bitcoin is underpinned by unbreakable codes, but the secret keys that protect personal fortunes are easily lost or stolen.
Economist Simon Johnson says governments will feel the urge to suppress the crypto-currency Bitcoin.
Analyzing the public traces left by every bitcoin transaction could allow law enforcement to identify many users of a currency often assumed to offer anonymity.
The first major conference for the digital currency suggests it is gaining legitimacy, but in a manner disappointing to some early enthusiasts.
Currencies designed to fix perceived flaws in Bitcoin could lead to competition that makes the idea of digital “cryptocurrency” stick.
Devotees of the digital currency are ratcheting up their technology in a race to generate new coins.
An alleged robbery suggests Bitcoin—an anonymous, decentralized currency—may need bank-like institutions after all.