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篇名: Bitcoin
作者: Hellen 日期: 2014.11.01  天氣:  心情:
One year ago, the Waves coffee shop in Vancouver, Canada, made headlines .

The world s first bitcoin ATM opens here .

Customers can withdraw the cash equivalent of their bitcoins .

The coffee shop, along with a growing number of businesses worldwide,

accepts bitcoins as legal tender .

This virtual currency were invented in 2008 by an anonymous software developer .

Many people use them for online purchases because transaction fees for bitcoins

are lower than those for credit cards .
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