看到楼下在讲比特币， bitcoin. 据 yahoo上讲，一挪威人，三年前有价值$25元的比特币，后来把它忘了，最近一查，已值$70万美金，马上兑现，买了个公寓房。
Norwegian man buys flat with forgotten $24 bitcoin investment
Oslo (AFP) - A Norwegian man who purchased $24 worth of bitcoins and then promptly forgot about it for four years, was able to buy an apartment in central Oslo thanks to the massive appreciation of the virtual currency.
In 2009, Kristoffer Koch was doing research on encryption and on a whim decided to invest a small sum in the recently created bitcoins -- a means of payment over the Internet.
Koch, now 29 and working as an engineer, only remembered the investment in April of this year when he read an article about the soaring value of bitcoins.
His 5,000 bitcoins were suddenly worth around $690,000 (500,000 euros).
After spending a full day trying to remember his password, Koch cashed in 1.1 million kroner (135,000 euro, $186,000), by selling a fifth of his newly acquired fortune.
After deducting 28 percent in taxes, the money was enough for the downpayment and restoration of a flat worth 2.6 million kroner in central Oslo, one of the world's most expensive cities.
"Not in my wildest dreams could I have imagined that they would have soared like this," Koch said.
"It's bizarre, these psychological reflexes that make us attach a value to something that doesn't have any in itself."
Bitcoins can be exchanged for real money or used to purchase goods and services online.
The virtual currency is increasingly used for Internet transactions and its value is extremely volatile, subject to speculation.
另一个更玄的，弄了个mining 比特币的程序，计算机放在车库几年没开机，最近一查，已赚$1200万。
据说玩比特币mining，都是挨踢和数学高手。不知这里是否也有玩过这个的。也许发了大财自己还不知的。
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