If the credit card is validated successfully and the funds are successfully transferred from the users account, the online application buys the required number of stocks from the market.

如果信用卡被成功验证，并且这些钱也成功地从用户帐户中转出，在线股票交易应用程序就会从市场购买所需的股票数。

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It asks home and distance users for validation, such as a library card number or student id before allowing access.

代理掀询问本地或远程用户进行信息确认，比如图书证号或学号，再判断是否允许访问。

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Many Internet users fear that their credit card number might be stolen by hackers.

许多互联网用户担心他们的信用卡号码被黑客窃取。

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Election workers, for instance, help combat fraud by taking precautions such as matching the number of card users to the votes registered.

FORBES: The Right Touch

The intruders, a hacktivist group that calls itself UGNazi, ultimately leaked a 1.7 gigabyte trove of data from the British web hosting firm that includes 500, 000 users accounts according to the UK tech news site the Register, including some number of credit card details.

FORBES: Hackers Impersonate Web Billing Firm's Staff To Spill 500,000 Users' Passwords And Credit Cards

Officials are attempting to make these tasks more manageable by requiring that users of the most prominent microblog service, Sina Weibo, register using their real name and identity-card number by March 16th.

ECONOMIST: The power of microblogs