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1、Money That You Can t TouchWe all need cash（现金） in our daily life. However, something called digital currency is slowly taking the place of cash. Currency is a kind of money. Usually, we use currency when we talk about a country s money. If something is digital, it only exists （存在）on the Internet. So
2、 digital currency means money that only exists on the Internet.Lots of people have digital currency accounts （账户）.They use bank cards to change their real money into digital money, and then the money goes into the digital currency account. A lot of people wonder, “Why in the world should I change my
3、 real money into digital currency?” There? s a good answer. If you want to buy something online, then you usually have to use digital currency. For example, if you, re in China and you want to buy something in Canada, then you 11 have to pay with digital currency.Many people still don t trust digita
4、l currency. Some people think that if they can t hold their money in their hands, then it doesn t seem real. These people don t feel fortable when they see numbers on a screen. The Internet tells them that their money is safe but these people don t really feel safe. Another problem is security（安全）.There are hackers all over the world. A hacker is a person who can secretly steal puter information. If a hacker gets the password of your digital currency account, he or she can steal your money.