(Virtual money: bytes and dollars)
Daniel Saraga
2012-12-04
http://www.largeur.com/?p=3798
(snippets via machine translation)
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Computer scientists have invented a libertarian currency fully decentralized: the bitcoins
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This is a story of money, but not wealth. For nearly four years, a community of users rather marginal attempts to redefine the concept of money.
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Extremely durable, the system is recognized as a masterpiece of computer security.
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A study of the ETH Zurich published in September 2012 revealed a gap: "It's easy to make a double-expense when the goods purchased (eg a hamburger) is delivered promptly without waiting for the validation of the network," says Elli Androulaki. The researcher proposed a parade that could be integrated into the next version of Bitcoin: immediately inform the seller trying to double expense.
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Acquired via credit card on one of the 30 existing trading platforms or directly "undermined" the bitcoins can buy gold, pay services or internet access to games or online casinos.
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