In the flow chart above, ... but it actually costs small business owners more to process a credit transaction than a debit card or cash. (More on why you'd choose debit over cash below.) ...

The easiest way to avoid a foreign transaction fee is to use debit or credit cards with no foreign transaction fees while traveling abroad. Luckily, plenty of credit and debit card options offer ...

A PIN (personal identification number) is a numerical code—typically four digits—used to authorize financial transactions such as debit card purchases and ATM withdrawals.

An authorized transaction is a debit or credit card payment for which the merchant has received approval from the card-issuing bank. In most cases today, the authorization process is electronic ...

Any transaction that is made with an in-person card at the point of sale will usually have lower interchange fees than a transaction made with a card not present (such as with an online purchase).

Debit card transactions are deducted from your bank account balance. "With a debit card, you're accessing, via a card, money that's in your bank account," says Bill Maurer, ...