Upgrade to more travel-friendly plastic before you take your European vacation. By Anjelica Tan, Reporter From Kiplinger's Personal Finance, July 2013 If you are traveling overseas, you may want to take along a card with a smart chip -- a built-in microprocessor that provides an extra layer of security. Chip cards are more widely accepted in Europe than those with only a magnetic strip. Several U.S. issuers are adapting their cards to the dual technology. The cards below come with both a chip and a strip. Existing cardholders may request a free upgrade.SEE ALSO: Best Rewards Cards, 2013 BankAmericard Travel Rewards Visa (0% interest rate for the first 12 months, then 14.99% to 22.99%) has no annual fee and no foreign-transaction fee; cardholders can get 24-hour travel assistance. Citi ThankYou Preferred (0% interest rate for the first 12 months, then 12.99% to 22.99%) also has no annual fee but charges a 3% foreign-transaction fee; cardholders get $3,000 in lost-luggage coverage. Citi Gold/AAdvantage Visa Signature ($50 annual fee; 15.24% interest rate; 3% foreign-transaction fee) lets you earn miles from American Airlines. Chase Hyatt Visa Signature ($75 annual fee; 15.24% interest rate; no foreign-transaction fee) gets you two free nights at any Hyatt hotel or resort after you spend $1,000 within the first three months.