题型:任务型阅读 题类:模拟题 难易度:普通
湖南省岳阳市2018届高三英语教学质量检测卷(二模)
What is bitcoin?
Bitcoin is a kind of digital currency, which means it doesn't exist as banknotes. At first, bitcoins were only made for collectors. You can store it in an online “wallet”. And with that wallet, you can spend bitcoin online and in the physical world for goods and services. More and more businesses, restaurants and universities included, accept payments in bitcoins. And, of course, bitcoin has a valuation, which you may have heard about because bitcoin's price has fluctuated up and down.
What's different about bitcoin?
That card is connected to information about you, such as your name and billing address. You can use bitcoin the same way, but unlike with a credit card, the trades you make with the currency are completely anonymous(匿名的). They can't be used to identify you personally. Is that why the WannaCry attackers picked it as a form of payment?
The bitcoin currency is unique—no authority can change the value. It's quick and easy to set up a bitcoin account. It's fast—it only takes a few minutes to transfer your payments.
Possibly, Bitcoin has certainly gained fame in the news media as a technology that can result in crime. But even though the identities of people in a bitcoin trade may be hidden, the public ledger has increasingly helped law trace the movement of bitcoins from place to place.
A. What makes the bitcoin currency unique?
B. Another way of exchanging g bitcoins is at ATMs.
C. So you can use bitcoin to protect your privacy.
D. It's cheap—trade fees are usually zero, or less than 1 US cent.
E. Usually, if you pay for something on the Internet, you use a credit or debit card.
F. However, you can buy it with dollars or euros,, just like you can trade any other currency.
G. The bitcoin was introduced on the internet in 2008 by a software developer called Satoshi Nakamoto.
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