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PRESENTED BY

RAJNI KUMARI

MASTER IN COMPUTER APPLICATION

SILICON INSTITUTE

OF TECHNOLOGY

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A Tour to our credit cardA Tour to our credit card

systemsystem

http://images.google.co.in/imgres?imgurl=http://msnbcmedia.msn.com/j/msnbc/Components/Photos/060308/060308_credit_hmed_8a.hmedium.jpg&imgrefurl=http://www.msnbc.msn.com/id/11726422/&h=273&w=388&sz=18&hl=en&sig2=5cAPUH_Ee9c52umdQY9rvw&start=2&tbnid=F-Ro9qksumNvXM:&tbnh=87&tbnw=123&ei=bnC-RIX6IMLgiAGh1pX0CA&prev=/images%3Fq%3DBlink%2Btechnology%26svnum%3D10%26hl%3Den%26lr%3D

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WHAT DO WE MEAN

BY CREDIT CARDA credit card is a thin plastic card, usually 3-1/8

inches by 2-1/8 inches in size.It contains identification information such as a

signature or picture.It authorizes the person named on it to charge

purchases or services to his account -- charges

for which he will be billed periodically.

The information on the card is read by

automated teller machines (ATMs), store

readers, and bank and Internet computers

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HOW CREDIT CARD

WORKSA user is issued a credit card after an account has beenapproved by the credit provider (often a general bank, butsometimes a captive bank created to issue a particular

brand of credit card, such asAmericanExpress (Centurion

Bank), with which he or she will be able to makepurchases from merchants accepting that credit card up toa established credit limit

When a purchase is made, the credit card user agrees topay the card issuer. Originally the user would indicate

his/her consent to pay, by signing a receiptwith a recordof the card details and indicating the amount to be paid,but many merchants now accept verbal authorizations viatelephone and electronic authorization using theInternet

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Electronic verification systems verify that the card isvalid and the credit card customer has sufficient credit tocover the purchase in a few seconds, allowing theverification to happen (using astrip ofmagnetizedmaterialon the card holding information in a similar manner tomagnetic or afloppy disk) to at time of purchase.

Other variations of verification systems are used by e-Commerce merchants to determine if the user's account is

valid and able to accept the charge.

Cont

d..

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Demerits of credit

cardSecurity

The information on a magnetic strip can be

read, altered or duplicated using a variety ofdevices

require signatures

someone can see the account number andname on our card.

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Contact less technologyContact less technology

Credit card processing blink cards is an innovationCredit card processing blink cards is an innovation

designed to make cashless consumer purchases faster,designed to make cashless consumer purchases faster,

unique and fun to do while boosting sales for retailers.unique and fun to do while boosting sales for retailers.

Instead of traditional credit card processing involving aInstead of traditional credit card processing involving a

swipe of a card, increasingly perceived as taking tooswipe of a card, increasingly perceived as taking too

much time by both consumers and retailers, all thatsmuch time by both consumers and retailers, all thats

required is a quick wave of a card near a check standrequired is a quick wave of a card near a check standreader to complete the transaction.reader to complete the transaction.

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How do we use blinkHow do we use blink

Once our purchases have been totaled,weOnce our purchases have been totaled,we

should hold our card up to the special reader atshould hold our card up to the special reader at

the checkout.the checkout.Watch for the series of lights on thereader, listen for the tone, and thenremove your card.

Wait for transaction approval and youare finished.

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Sample card

readers

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What is blink cardWhat is blink card

The new blink credit card is just like a regular credit cardThe new blink credit card is just like a regular credit cardin many ways.It has the account holders name and thein many ways.It has the account holders name and theaccount number embossed on the front of the card.account number embossed on the front of the card.

On the back is a magnetic strip containing the accountOn the back is a magnetic strip containing the accountinformation ,so the card can be used anywhere regularinformation ,so the card can be used anywhere regularcredit cards can be used.The key difference is inside thecredit cards can be used.The key difference is inside thecard.card.

Embedded within the blink card is a small RFID(radioEmbedded within the blink card is a small RFID(radiofrequency identification)microchip.When the chip is closefrequency identification)microchip.When the chip is closeenough to the right kind of terminal ,the terminal can getenough to the right kind of terminal ,the terminal can getinformation from the chip in this case account numberinformation from the chip in this case account numberand name.and name.

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ContCont....

SoSo instead of swiping the magnetic strip on the cardinstead of swiping the magnetic strip on the cardthrough a standard credit-card reader ,card holdersthrough a standard credit-card reader ,card holderssimply hold their card a few inches from the blinksimply hold their card a few inches from the blink

terminal.The card never leaves the card holders hand.terminal.The card never leaves the card holders hand. As with standard credit-card transactions ,the terminalAs with standard credit-card transactions ,the terminal

then sends the information via phone line to the bankthen sends the information via phone line to the bankthat issued the card and checks the account balance tothat issued the card and checks the account balance to

see if there is room on the card for the purpose.see if there is room on the card for the purpose. If there is, the bank issues a confirmation number to theIf there is, the bank issues a confirmation number to theterminal, the sale is approved and the card holder is onterminal, the sale is approved and the card holder is onhis or her way.his or her way.

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Courtesy Chase

http://electronics.howstuffworks.com/framed.htm?parent=blink.htm&url=http://www.chaseblink.comhttp://electronics.howstuffworks.com/framed.htm?parent=blink.htm&url=http://www.chaseblink.com

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Blink card and RFIDBlink card and RFID

..Credit card using blink technology uses a specifickind of RFID developed under International standard14443.

ISO 14443 has certain features that make itparticularly well-suited to applications involvingsensitive information,such as credit card accountnumbers:-----

Data transmitted by ISO 14443 chips is encrypted.

The transmission range is designed to be veryshort ,about 4 inches(10 cm) or less.

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Cont..Cont..

Instruction sets built into the processorInstruction sets built into the processor

encrypencrypt the data during transmissionthe data during transmission As a result ,ISO 14443 is used in more thanAs a result ,ISO 14443 is used in more than

80% of contact less credit card transactions80% of contact less credit card transactions

world wideworld wide

To understand how the contact less cardTo understand how the contact less card

and terminal work together ,first we haveand terminal work together ,first we have

to talk aboutto talk about induction.induction.

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induction now a blessing ininduction now a blessing in

blinkblink Each blink card contains a small microchip as well as aEach blink card contains a small microchip as well as a

wire loop .wire loop .

The blink terminal gives off a magnetic field in the areaThe blink terminal gives off a magnetic field in the area

around it. When a blink card gets close enough, the wirearound it. When a blink card gets close enough, the wire

loop enters the terminal's field, causing induction.loop enters the terminal's field, causing induction.

The voltage generated by the induction powers theThe voltage generated by the induction powers the

microchip.microchip.

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FIGURE OF BLINKFIGURE OF BLINK

TECHNOLOGYTECHNOLOGY

WITHOUT INDUCTIONWITHOUT INDUCTION Without this process, called inductiveithout this process, called inductivecoupling, each blink card would have to carryoupling, each blink card would have to carryits own power supply in the form of ats own power supply in the form of a ba t t e r ya t t e ryi.i. Which would add bulk and weightWhich would add bulk and weightii.ii. could eventually run out of power.could eventually run out of power.

iii.iii. As now the power is supplied by the terminal, the blinkAs now the power is supplied by the terminal, the blinksystem is known as asystem is known as a passive systemassive system

Once the blink card has power flowing to it from theOnce the blink card has power flowing to it from theterminal, the processor then transmits information toterminal, the processor then transmits information tothe terminal at a frequency of 13.56 MHz.the terminal at a frequency of 13.56 MHz.

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SecuritySecurity

The encryption built into a blink card make this particular form ofThe encryption built into a blink card make this particular form oftheft impossible.theft impossible.

Using the blink card allows the user to keep the card in his or herUsing the blink card allows the user to keep the card in his or herhand the entire time. This could prevent someone from seeing thehand the entire time. This could prevent someone from seeing the

account number and name on the card.account number and name on the card. A signature is not required when using a blink card, which leads toA signature is not required when using a blink card, which leads to

security concerns.security concerns.

Sending the credit-card data to a terminal via a radio signal is muchSending the credit-card data to a terminal via a radio signal is muchmore Secure.more Secure.

Never leave customers' hands, they also will solve the problem ofNever leave customers' hands, they also will solve the problem ofpeople driving away without their cards.people driving away without their cards.

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Contd..Contd..

Eliminate the time customers spend waiting for cashiersl iminate the time customers spend waiting for cashiersto make change;o make change; Are completed up to 25% faster than those done withre completed up to 25% faster than those done withcash; andash; and Can be up to 40% faster than other payment methods atan be up to 40% faster than other payment methods atlocations such as quick-service restaurants, drive-thrus,ocations such as quick-service restaurants, drive-thrus,convenience stores and movie theaters.onvenience stores and movie theaters. Zero l iabi l i ty for fraudulent transactions;ero l iabil ity for fraudulent transactions; Quick replacement of lost or stolen cards;uick replacement of lost or stolen cards; The abil ity to track account details online at Chase.com;he abil i ty to track account detai ls onl ine at Chase.com; No need to hand over the card to a cashier;o need to hand over the card to a cashier; No risk of an accidental card reading because consumerso risk of an accidental card reading because consumersmust hold the card within 1 to 2 inches of a reader toust hold the card within 1 to 2 inches of a reader toconduct a transactiononduct a transaction

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Additional securityAdditional security

measuresmeasuresProblem 1:roblem 1: In some cases, if two or more terminals are closeIn some cases, if two or more terminals are close

together, not only both terminals read the card, but thetogether, not only both terminals read the card, but the

read range of each terminal increased to as much as 30read range of each terminal increased to as much as 30feet (9 m) .feet (9 m) . some people are worried that they could accidentally walksome people are worried that they could accidentally walk

too close to a terminal and end up paying for someonetoo close to a terminal and end up paying for someoneelse's purchaseelse's purchase

Suggestionuggestion : The simplest safeguard against this is probably merchantsThe simplest safeguard against this is probably merchants

positioning the terminals in such a way as to make thispositioning the terminals in such a way as to make thisunlikely.unlikely.

h k'

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Chase Bank'sChase Bank's'blink' technology allowsblink' technology allowscustomers to wave a card in front of austomers to wave a card in front of asensor instead of swiping or handing itensor instead of swiping or handing itto a cashiero a cashier

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Georgia credit-card holders first to useeorgia credit-card holders first to use'blink' technologyblink' technology- (May 26, 2005)(May 26, 2005)

ATLANTA - About 400,000 credit-card holders in GeorgiaATLANTA - About 400,000 credit-card holders in Georgia

will be the first in the country to use a new technologywill be the first in the country to use a new technology

that allows them to pay for items by waving their cardthat allows them to pay for items by waving their card

near a terminal instead of swiping it through a machine.near a terminal instead of swiping it through a machine.

DENVER(A FIRST FOOD RESTURANT)

Quicker. More secure. More fun. Stores, credit card

companies and banks are giving consumers new waysto pay in the latest evolution of cashless payments.

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About Blink TechnologyAbout Blink Technology

(Some Current News)(Some Current News)

Hawking adopts blink technology:-PROFESSOR Stephen Hawking is using a

new gadget to communicate by blinking - due

to his deteriorating health.

The world famous physicist, 63, who is

Britain's longest surviving sufferer of the

debilitating motor neuron disease, has for years

used one hand to control the computer system

which operates his voice.But his hand isgetting weaker and he is now using a new

high-tech gadget, which allows him to control

the computer simply by blinking his eye.

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ConclusionConclusionConsumers now use credit cards with blink to make

purchases just as often as they use cash credit card use

continues to grow .very soon it will be widely used.

The card readers have a built-in safeguard that

prevents more than one card from being read at a time,and purchases above $25 require a signature as an

extra security measure.

Blink technology has future scope in mobile andhealing diseases.

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