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Debit card

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Debit card AI simulator

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Debit card

A debit card, also known as a check card, cheque card or bank card, is a payment card that can be used in place of cash to make purchases. The card usually consists of the bank's name, a card number, the cardholder's name, and an expiration date, on either the front or the back. Many new cards now have a chip on them, which allows people to use their card by touch (contactless), or by inserting the card and keying in a PIN as with swiping the magnetic stripe. Debit cards are similar to a credit card, but the money for the purchase must be in the cardholder's bank account at the time of the purchase and is immediately transferred directly from that account to the merchant's account to pay for the purchase.

Some debit cards carry a stored value with which a payment is made (prepaid cards), but most relay a message to the cardholder's bank to withdraw funds from the cardholder's designated bank account. In some cases, the payment card number is assigned exclusively for use on the Internet, and there is no physical card. This is referred to as a virtual card.

In many countries, the use of debit cards has become so widespread that they have overtaken checks in volume or have entirely replaced them; in some instances, debit cards have also largely replaced cash transactions. The development of debit cards, unlike credit cards and charge cards, has generally been country-specific, resulting in a number of different systems around the world that are often incompatible. Since the mid-2000s, a number of initiatives have allowed debit cards issued in one country to be used in other countries and allowed their use for internet and phone purchases.

Debit cards usually also allow an instant withdrawal of cash, acting as an ATM card for this purpose. Merchants may also offer cashback facilities to customers so that they can withdraw cash along with their purchase. There are usually daily limits on the amount of cash that can be withdrawn. Most debit cards are plastic, but there are cards made of metal and, rarely, wood. 

There are currently three ways that debit card transactions are processed: EFTPOS (also known as online debit or PIN debit), offline debit (also known as signature debit), and the Electronic Purse Card System. One physical card can include the functions of all three types, so it can be used in a number of different circumstances. The five major debit card networks are UnionPay, American Express, Discover, Mastercard, and Visa. Other card networks are STAR, JCB, Pulse, etc. There are many types of debit cards, each accepted only within a particular country or region; for example, Switch (since merged with Maestro) and Solo in the United Kingdom; Interac in Canada; Carte Bleue in France; EC electronic cash (formerly Eurocheque) in Germany; Bancomat/PagoBancomat in Italy; UnionPay in China; RuPay in India; and EFTPOS cards in Australia and New Zealand. The need for cross-border compatibility and the advent of the euro recently led[dubiousdiscuss] to many of these card networks (such as Switzerland's "EC direkt", Austria's "Bankomatkasse", and Switch in the United Kingdom) being re-branded with the internationally recognized Maestro logo, which is part of the Mastercard brand. Some debit cards are dual-branded with the logo of the (former) national card as well as Maestro (for example, EC cards in Germany, Switch and Solo in the UK,[dubiousdiscuss] Pinpas cards in the Netherlands, Bancontact cards in Belgium, etc.). The use of a debit card system allows operators to package their products more effectively while monitoring customer spending.

Online debit cards require electronic authorization of every transaction, and the debits are reflected in the user's account immediately. The transaction may be additionally secured with the personal identification number (PIN) authentication system; some online cards require such authentication for every transaction, essentially becoming enhanced automatic teller machine (ATM) cards.

One difficulty with using online debit cards is the necessity of an electronic authorization device at the point of sale (POS) and sometimes also a separate PINpad to enter the PIN, although this is becoming commonplace for all card transactions in many countries.

Overall, the online debit card is generally viewed as superior to the offline debit card because of its more secure authentication system and live status, which alleviates problems with processing lag on transactions that may only issue online debit cards. Some online debit systems are using the normal authentication processes of Internet banking to provide real-time online debit transactions.

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payment card connected directly to a cardholder’s bank account
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