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 â which stands for Europay, MasterCard and Visa â is a global standard for credit cards that uses computer chips to authenticate (and secure) chip-card transactions. You probably have a lot of questions. So weâll walk you through everything you need to know.