A credit card with a constantly changing security code is being launched in an attempt to combat fraud.
英国将推出一种具有不断变化的安全码的信用卡，以打击诈骗行为。
The three numbers on the back of the card will be replaced by a digital display
randomly generating a new combination every hour.
The digital security company Oberthur Technologies is talking to UK banks about introducing the innovation and has said the cards will be used by French customers by the end of the year.
The security code on the back of most credit and
debit cards is required to make payments online.
Fraud in the UK involving cards, remote
banking and cheques totalled £755million in 2015, with more than 20,000 victims.
The mini-screen on the new cards is powered by a small battery designed to last three years.
Professor Alan Woodward, a cyber-security expert from Surrey University, said: ‘It's surprising it has taken so long for this to appear. The technology has existed for some time so now it will be a case of persuading card processors that it is worth doing.'
He told the BBC: ‘It may be
costly for card operators as some extra
infrastructure will be required to ensure our cards stay synchronised with the operator, but it happens already for many banks with the dongles they issue for login (to online banking).'
One drawback of the card is that customers will no longer be able to
memorise their security code and will need to check every time they want to make an online purchase.
相关单词：randomly
randomly解释：adv.随便地，未加计划地
randomly例句：
Within the hot gas chamber, molecules are moving randomly in all directions. 在灼热的气体燃烧室内，分子在各个方向上作无规运动。 来自辞典例句
Transformed cells are loosely attached, rounded and randomly oriented. 转化细胞则不大贴壁、圆缩并呈杂乱分布。 来自辞典例句
相关单词：debit
debit解释：n.借方，借项，记人借方的款项
debit例句：
To whom shall I debit this sum?此款应记入谁的账户的借方？
We undercharge Mr.Smith and have to send him a debit note for the extra amount.我们少收了史密斯先生的钱，只得给他寄去一张借条所要欠款。
相关单词：banking
banking解释：n.银行业，银行学，金融业
banking例句：
John is launching his son on a career in banking.约翰打算让儿子在银行界谋一个新职位。
He possesses an extensive knowledge of banking.他具有广博的银行业务知识。
相关单词：costly
costly解释：adj.昂贵的，价值高的，豪华的
costly例句：
It must be very costly to keep up a house like this.维修这么一幢房子一定很昂贵。
This dictionary is very useful,only it is a bit costly.这本词典很有用，左不过贵了些。
相关单词：infrastructure
infrastructure解释：n.下部构造，下部组织，基础结构，基础设施
infrastructure例句：
We should step up the development of infrastructure for research.加强科学基础设施建设。
We should strengthen cultural infrastructure and boost various types of popular culture.加强文化基础设施建设，发展各类群众文化。
相关单词：memorise
memorise解释：vt.记住，熟记
memorise例句：
An actor must be able to memorise his lines.演员须善于熟记台词。
I shall try to memorise all these phrases.我要熟记所有这些词组。
