As helpful as a Square Reader may be for purchases at trendy stores, you'll want to watch out -- in the right circumstances, they can also be used to steal your credit card info. Security ...

Magnetic strip reader: This is the most common type of portable device. To operate, simply slide the card through the reader to transfer information from the card to your device.

Magnetic strip reader: This is the most common type of portable device. To operate, simply slide the card through the reader to transfer information from the card to your device.

Square Terminal is an all-in-one mobile hardware device that does not require a phone or tablet unlike the company’s basic card reader, Square’s head of hardware Jesse Dorogusker told TechCrunch.

The Square Reader has helped lower the barrier to entry for many small retailers keen to take payments on card. Now, though, new research reveals that it’s possible to turn one of the readers ...

"The Miura M010 Reader is a third-party credit card chip reader that we initially offered as a stopgap and today is used by only a few hundred Square sellers. As soon as we became aware of a ...

Both Square and Chase charge the same fees — a business will pay 2.6 percent plus 10 cents for card or tap-based transactions, and 3.5 percent plus 10 cents for sales done manually by typing ...

However, this is meant to be super portable for businesses that are constantly on the move. Square sells a similar variation to this terminal, but uses the 3.5mm jack on devices instead.

Square Sign up for an account on the Square website to get your free card reader (link in Resources). Download the Square app for your phone; the app supports both iOS and Android phones.

Update: As of 11/11/2010 Square updated their reader’s design, effectively fixing the issue that some older readers had with the iPhone 4. Square is now shipping these new white card readers ...

The new Reader design is completely different. The older Square card readers supported the single motion of swiping, but the chip-based cards will not work that way because the chips are located ...

Magnetic strip reader: This is the most common type of portable device. To operate, simply slide the card through the reader to transfer information from the card to your device.