1 Close your credit card accounts.  Paying off multiple credit cards with a debt consolidation loan may be a good idea, but be careful about racking up more debt on the open accounts. Think about keeping one account open for an emergency and closing the others.
- Jul. Today, Square announced a new version of its popular mobile payment system that will support EMV chipped credit cards. EMV is a joint effort from MasterCard and Visa to help improve security credit and debit card transactions and is set to become a standard in the US by October 2015.
EMV, which stands for Europay, MasterCard and Visa, is a global credit card standard that enhances the security of in-person card transactions. EMV technology allows sensitive cardholder data to be stored in a chip, rather than in the traditional magnetic stripe found on most payment cards today.ow EMV works. EMV technology is very simple on the customer's end. Instead of swiping the magnetic strip of a credit card, one end of the card is dipped into the EMV reader so it can scan the embedded EMV chip.